Release Notes for the SOHO 70 Series Routers
and the Cisco 800 Series Routers for
Cisco IOS Release 12.2(2)XK
May 20, 2002
These release notes for the SOHO 70 Series Routers and Cisco 800 Series Routers describe the
enhancements provided in Cisco IOS Release 12.2(2)XK3. These release notes are updated as needed.
Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 12.2 T located on
Cisco.com and the Documentation CD.
For a list of the software caveats that apply to Cisco IOS Release 12.2(2)XK3, see the “Caveats” section
on page 17 and Caveats for Cisco IOS Release 12.2 T. The caveats document is updated for every
maintenance release and is located on Cisco.com and the Documentation CD.
Contents
These release notes discuss the following topics:
•
System Requirements, page 2
•
New and Changed Information, page 12
•
Important Notes, page 15
•
Caveats, page 17
•
Related Documentation, page 23
•
Obtaining Documentation and Technical Assistance, page 24
•
Obtaining Documentation and Technical Assistance, page 24
Corporate Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Copyright © 2002. Cisco Systems, Inc. All rights reserved.
System Requirements
System Requirements
This section describes the system requirements for Release 12.2(2)XK3 and includes the
following sections:
•
Memory Requirements, page 2
•
Hardware Supported, page 3
•
Determining the Software Version, page 7
•
Upgrading to a New Software Release, page 7
•
Feature Set Tables, page 7
Memory Requirements
Table 1 and Table 2 provide the memory requirements for the Cisco IOS feature sets supported by
Cisco IOS Release 12.2(2)XK3 on the SOHO 70 Series Routers and Cisco 800 Series Routers.
Table 1
Recommended Memory for the SOHO 70 Series Routers
Platforms
Image Name
Feature
Set
Image
Recommended
Flash Memory
Recommended
DRAM Memory
Runs
From
SOHO 77 Router
Cisco soho70 Series IOS IP
IP
soho70-y1-mz
8 MB
16 MB
RAM
SOHO 78 Router
Cisco soho78 Series IOS IP
IP
soho78-y1-mz
8 MB
16 MB
RAM
Table 2
Recommended Memory for the Cisco 800 Series Routers
Platforms
Image Name
Feature Set
Image
Recommended
Flash Memory
Recommended Runs
DRAM Memory From
Cisco 806
Router
Cisco 806 Series IOS IP/FW
Plus 3DES
IP/FW Plus
3DES
c806-k9osy6-mz
8 MB
20 MB
RAM
Cisco 806 Series IOS IP/FW
IP/FW
c806-oy6-mz
8 MB
16 MB
RAM
Cisco 806 Series IOS IP Plus
IP Plus
c806-sy6-mz
8 MB
16 MB
RAM
Cisco 806 Series IOS IP
IP
c806-y6-mz
8 MB
16 MB
RAM
Cisco 820 Ser IOS
IP/FW/Voice Plus 3DES
IP/FW/Voice c820-k9osv6y6-mz 8 MB
Plus 3DES
32 MB
RAM
Cisco 820 Ser IOS IP/FW
Plus IPSec 3DES
IP/FW Plus
IPSec 3DES
8 MB
24 MB
RAM
Cisco 820 Ser IOS IP/FW/
Voice
IP/FW/Voice c820-ov6y6-mz
8 MB
24 MB
RAM
Cisco 820 Ser IOS IP/FW
IP/FW
c820-oy6-mz
8 MB
20 MB
RAM
Cisco 820 Ser IOS IP/Voice
Plus
IP/Voice
Plus
c820-sv6y6-mz
8 MB
24 MB
RAM
Cisco 820 Ser IOS IP Plus
IP Plus
c820-sy6-mz
8 MB
20 MB
RAM
Cisco 820
Series
Routers
c820-k9osy6-mz
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
2
System Requirements
Table 2
Platforms
Recommended Memory for the Cisco 800 Series Routers (continued)
Image Name
Feature Set
Image
Recommended
Flash Memory
Recommended Runs
DRAM Memory From
Cisco 820 Cisco 820 Ser IOS IP/Voice
Series
Cisco 820 Ser IOS IP
Routers
(continued)
IP/Voice
c820-v6y6-mz
8 MB
24 MB
RAM
IP
c820-y6-mz
8 MB
16 MB
RAM
Cisco 828
Router
IP/FW Plus 3DES
IP/FW Plus
3DES
c828-k9osy6-mz
8 MB
24 MB
RAM
IP/FW
IP/FW
c828-oy6-mz
8 MB
20 MB
RAM
IP Plus
IP Plus
c828-sy6-mz
8 MB
16 MB
RAM
IP
IP
c828-y6-mz
8 MB
16 MB
RAM
Hardware Supported
Cisco IOS Release 12.2(2)XK3 supports the following Cisco routers:
•
SOHO 70 series routers:
– SOHO 77 Routers
– SOHO 78 Routers
•
Cisco 800 series routers:
– Cisco 801–804 Routers
– Cisco 806 Routers
•
Cisco 820 series routers:
– Cisco 826 Routers
– Cisco 827 Routers
– Cisco 827-V Routers
– Cisco 828 Routers
For detailed descriptions of new hardware features and which features are supported on each router, see
the “New and Changed Information” section on page 12.
SOHO 77 Routers
The SOHO 77 router provides the following key hardware features:
•
Connection to an ADSL network through an asymmetric digital subscriber line (ADSL) port.
•
A central processing unit: 50 MHz MPC 855T RISC processor.
•
Ability to be stacked or mounted on a wall.
•
Locking power connectors and a Kensington-compatible locking slot.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
3
System Requirements
Table 4 summarizes Cisco SOHO 77 router ports.
Table 3
Supported Interfaces for the SOHO 77 Routers
Router
Ethernet Ports
ADSL Ports
Console Ports
SOHO 77
One 10BaseT
(RJ-45)
RJ-11
RJ-45
SOHO 78 Routers
The SOHO 78 router provides the following key hardware features:
•
Connection to an ADSL network through an asymmetric digital subscriber line (ADSL) port.
•
A central processing unit: 50 MHz MPC 855T RISC processor.
•
Ability to be stacked or mounted on a wall.
•
Locking power connectors and a Kensington-compatible locking slot.
Table 4 summarizes Cisco SOHO 78 router ports.
Table 4
Supported Interfaces for the SOHO 78 Routers
Router
Ethernet Ports
ADSL Ports
Console Ports
SOHO 78
One 10BaseT
(RJ-45)
RJ-11
RJ-45
Cisco 801–804 Routers
The Cisco 801–804 routers provide the following key hardware features:
•
Cisco 802 and Cisco 804 routers have an integrated NT-1, which eliminates the need for an external
NT-1 in North America.
•
Cisco 803 and Cisco 804 routers provide connection to analog telephones or fax machines, which
are connected to telephone services through an ISDN line.
•
Flash memory: Default is 8 MB, expandable to 12 MB. (4MB Flash soldered to the motherboard.)
Note
To add additional Flash memory to the Cisco 801-804, remove the existing Flash card and
install a new one.
•
Dynamic RAM: Default is 4 MB, expandable to 12 MB. (4MB Dynamic RAM soldered to the
motherboard.)
•
ISDN B-channel LEDs are a different color from the other LEDs, which make them easy to
distinguish.
•
Color-coded ports and cable reduce the chance of cabling errors.
•
Ability to be stacked or mounted on a wall.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
4
System Requirements
Table 5 summarizes Cisco 801-804 router ports.
Table 5
Supported Interfaces for the Cisco 801-804 Series Routers
Router
Ethernet Ports
ISDN Ports
Telephone
Ports
Console
Ports
Cisco 801
One 10BASE-T (RJ-45)
ISDN BRI S/T (RJ-45)
—
RJ-45
Cisco 802
One 10BASE-T (RJ-45)
ISDN BRI U, integrated Network
Termination 1 (NT-1) (RJ-45)
—
RJ-45
Cisco 803
Four-port 10BASE-T
(RJ-45) hub
ISDN BRI S/T (RJ-45)
Two (RJ-11)
RJ-45
Cisco 804
Four-port 10BASE-T
(RJ-45) hub
ISDN BRI U, integrated NT-1
(RJ-45)
Two (RJ-11)
RJ-45
Cisco 806 Routers
Cisco 806 routers provide the following key hardware features:
•
Provide connection to 10BaseT (10-Mbps) Ethernet networks and is compatible with
10/100-Mbps devices.
•
Flash memory: The Cisco IOS uses the current default of 8 MB for loading Cisco IOS images.
•
Webflash: 2 MB of Flash memory reserved for use by the Cisco Router Web Setup software.
•
Cisco 806 Router Dynamic RAM: Default is 12 MB of DRAM and is expandable to 32 MB, using
4-MB, 8-MB, and 16-MB DIMM cards.
•
The central processing unit is a 50 MHz MPC 855T RISC processor.
•
Support Cisco IOS software.
•
Color-coded ports and cable reduce the chance of cabling errors.
•
Ability to be stacked or mounted on a wall.
•
Accept a cable lock for physically securing the router.
•
The routers provide locking power connectors and a Kensington-compatible locking slot.
Table 6 summarizes Cisco 806 router ports.
Table 6
Cisco 806 Router Ports
Port Type
Description
Ethernet Port
One 10BaseT (RJ-45). Connects to broadband modem or Ethernet switch.
Ethernet Hubbed Ports
Four 10BaseT (RJ-45). Connect to Ethernet network devices.
Console Port
One (RJ-45).
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
5
System Requirements
Cisco 826, Cisco 827, and Cisco 827-4V Routers
The Cisco 826, Cisco 827, and Cisco 827-4V Series Routers provide the following key hardware
features:
•
The routers provide connection to an ADSL network or telephones and fax machines through an
ADSL port.
•
Flash memory: Default is 12 MB and is expandable to 20 MB. If 12 MB is Flash is installed, 8 MB
is used for the Cisco IOS images and 4 MB hosts the ROMMON and NVRAM. Additional memory
can be added using Flash cards.
•
Cisco 826 and Cisco 827 routers Dynamic RAM: Default is 16 MB of DRAM and is expandable
to 32 MB.
•
Cisco 827-4V router Dynamic RAM: Default is 24 MB and is expandable to 32 MB. The
Cisco 827-4V router also contains an 8-MB DIMM card.
•
The central processing unit is a 50 MHz MPC 855T RISC processor.
•
Color-coded ports and cable reduce the chance of cabling errors.
•
Ability to be stacked or mounted on a wall.
•
The routers provide locking power connectors and a Kensington-compatible locking slot.
Table 7 lists the supported interfaces for the Cisco 826, Cisco 827, and Cisco 827-4V routers.
Table 7
Supported Interfaces for the Cisco 826, Cisco 827, and Cisco 827-4V Router
Router
Ethernet Ports
ADSL Ports
Telephone Ports
Console Ports
Cisco 826
One 10BaseT (RJ-45)
RJ-45
–
RJ-45
Cisco 827
One 10BaseT (RJ-45)
RJ-45
–
RJ-45
Cisco 827-4V
One 10BaseT (RJ-45)
RJ-45
Four (RJ-11)
RJ-45
Cisco 828 Routers
Cisco 828 routers provide the following key hardware features:
•
Provide connection to 10BaseT (10-Mbps) Ethernet networks and is compatible with
10/100-Mbps devices.
•
Provide connection to G.991.2 (digital-encoding standard) symmetrical high-speed digital
subscriber line (G.SHDSL) networks.
•
Flash memory: The Cisco IOS uses the current default of 8 MB for loading Cisco IOS images,
upgradable to 16 MB.
•
Webflash: 2 MB of Flash memory reserved for use by the Cisco Router Web Setup software.
•
Dynamic RAM: Default is 16 MB of DRAM and is expandable to 32 MB, using 4-MB, 8-MB, and
16-MB DIMM cards.
•
The central processing unit is a 50 MHz MPC 855T RISC processor.
•
Support Cisco IOS software.
•
Color-coded ports and cables, which reduce the chance of cabling errors.
•
Ability to be stacked or mounted on a wall.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
6
System Requirements
•
Accept a cable lock for physically securing the routers.
•
Provide locking power connectors.
Table 8 summarizes Cisco 828 router ports.
Table 8
Cisco 828 Router Ports
Port Type
Description
Ethernet Hubbed Ports Four 10BaseT (RJ-45). Connect to Ethernet network devices.
G. SHDSL Port
One (RJ-11). Provides connection to G. SHDSL networks.
Console Port
One (RJ-45).
Determining the Software Version
To determine the version of Cisco IOS software running on your Cisco router, log in to the router and
enter the show version EXEC command. The following sample displays command output from a
Cisco 806 router running Release 12.2(2)XK3:
Router> show version
Cisco Internetwork Operating System Software
IOS (tm) 12.2 Software (c806-y6-mz), Version 12.2(2)XK3, RELEASE SOFTWARE
Upgrading to a New Software Release
For general information about upgrading to a new software release, see Software Installation and
Upgrade Procedures located at: http://www.cisco.com/warp/public/130/upgrade_index.shtml.
Feature Set Tables
The Cisco IOS software is packaged in feature sets consisting of software images—depending on the
platform. Each feature set contains a specific set of Cisco IOS features. Release 12.2(2)XK3 supports
the same feature sets as Releases 12.2 T, but Release 12.2(2)XK3 can include new features supported by
the SOHO 70 Series Routers and Cisco 800 Series Routers.
Table 9 through Table 14 list the features and feature sets supported in Cisco IOS Release 12.2(2)XK3:
•
Table 9—SOHO 77 routers
•
Table 10—SOHO 78 routers
•
Table 11—Cisco 806 routers
•
Table 12—Cisco 826 routers
•
Table 13—Cisco 827 routers
•
Table 14—Cisco 828 routers
The tables use the following conventions:
•
Yes—The feature is supported in the software image.
•
No—The feature is not supported in the software image.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
7
System Requirements
•
Note
In—The number in the “In” column indicates the Cisco IOS release in which the feature was
introduced. For example, “12.2(2)XK” means the feature was introduced in Release 12.2(2)XK. If
a cell in this column is empty, the feature was included in the initial base release.
These feature set tables only contain a selected list of features. These tables are not cumulative—nor
do they list all the features in each image.
Table 9
Feature List by Feature Set for the SOHO 77 Routers
Feature Set
Features
In
IP
Addressing
IP Control Protocol Subnet Mask Delivery
No
NAT Default Inside Server Enhancement
No
Management
DHCP Server Import
No
Quality of Service
Committed Access Rate (CAR)
No
Security
IP Security Through Network Address
Translation
No
RADIUS Support for New Platforms
No
WAN
ATM OAM F5 Segment Continuity Check
12.2(2)XK
VoDSL ATM AAL2 Profile 9
Table 10
Yes
No
Feature List by Feature Set for the SOHO 78 Routers
Feature Set
Features
In
IP
Addressing
IP Control Protocol Subnet Mask Delivery
No
NAT Default Inside Server Enhancement
No
Management
DHCP Server Import
No
Quality of Service
Committed Access Rate (CAR)
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
8
No
System Requirements
Table 10
Feature List by Feature Set for the SOHO 78 Routers (continued)
Feature Set
Features
In
IP
12.2(2)XK
Yes
Security
IP Security Through Network Address
Translation
RADIUS Support for New Platforms
No
WAN
Table 11
ATM OAM F5 Segment Continuity Check
No
VoDSL ATM AAL2 Profile 9
No
Feature List by Feature Set for the Cisco 806 Routers
Feature Sets
Features
In
IP/FW Plus 3DES
IP/FW
IP Plus
IP
IP Control Protocol Subnet Mask Delivery 12.2(2)XK
Yes
Yes
Yes
Yes
NAT Default Inside Server Enhancement
12.2(2)XK
Yes
Yes
Yes
Yes
12.2(2)XK
Yes
Yes
Yes
Yes
12.2(2)XK
No
Yes
Yes
Yes
IP Security Through Network Address
Translation
No
No
No
No
RADIUS Support for New Platforms
No
No
No
No
ATM OAM F5 Segment Continuity Check
No
No
No
No
VoDSL ATM AAL2 Profile 9
No
No
No
No
Addressing
Management
DHCP Server Import
Quality of Service
Committed Access Rate (CAR)
Security
WAN
Table 12
Feature List by Feature Set for the Cisco 826 Routers, Part 1 of 2
Feature Sets
IP/FW/Voice Plus
IPSec 3DES
IP/FW Plus
IPSec 3DES
IP/FW
IP/FW/Voice
IP Control Protocol Subnet Mask Delivery
No
No
No
No
NAT Default Inside Server Enhancement
No
No
No
No
No
No
No
No
Features
In
Addressing
Management
DHCP Server Import
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
9
System Requirements
Table 12
Feature List by Feature Set for the Cisco 826 Routers, Part 1 of 2 (continued)
Feature Sets
Features
In
IP/FW/Voice Plus
IPSec 3DES
IP/FW Plus
IPSec 3DES
IP/FW
IP/FW/Voice
No
No
No
No
Quality of Service
Committed Access Rate (CAR)
Security
IP Security Through Network Address
Translation
12.2(2)XK
Yes
Yes
Yes
No
RADIUS Support for New Platforms
12.2(2)XK
No
Yes
No
No
ATM OAM F5 Segment Continuity Check 12.2(2)XK
No
Yes
Yes
No
VoDSL ATM AAL2 Profile 9
Yes
Yes
Yes
Yes
WAN
Table 12
12.2(2)XK
Feature List by Feature Set for the Cisco 826 Series Routers, Part 2 of 2
Feature Sets
Features
In
IP/Voice Plus
IP Plus
IP/Voice
IP
IP Control Protocol Subnet Mask Delivery
No
No
No
No
NAT Default Inside Server Enhancement
No
No
No
No
No
No
No
No
No
No
No
No
Addressing
Management
DHCP Server Import
Quality of Service
Committed Access Rate (CAR)
Security
IP Security Through Network Address
Translation
12.2(2)XK
No
Yes
No
Yes
RADIUS Support for New Platforms
12.2(2)XK
No
Yes
No
No
ATM OAM F5 Segment Continuity Check
12.2(2)XK
No
Yes
No
Yes
VoDSL ATM AAL2 Profile 9
12.2(2)XK
Yes
Yes
Yes
Yes
WAN
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
10
Table 13
Feature List by Feature Set for the Cisco 827 Series Routers, Part 1 of 2
Feature Sets
IP/FW/Voice
IP/FW Plus
Plus IPSec 3DES IPSec 3DES
IP/FW
IP/FW/Voice
IP Control Protocol Subnet Mask Delivery
No
No
No
No
NAT Default Inside Server Enhancement
No
No
No
No
No
No
No
No
No
No
No
No
Features
In
Addressing
Management
DHCP Server Import
Quality of Service
Committed Access Rate (CAR)
Security
IP Security Through Network Address
Translation
12.2(2)XK
No
Yes
No
Yes
RADIUS Support for New Platforms
12.2(2)XK
Yes
Yes
No
No
ATM OAM F5 Segment Continuity Check
12.2(2)XK
Yes
Yes
Yes
Yes
VoDSL ATM AAL2 Profile 9
12.2(2)XK
Yes
Yes
Yes
Yes
IP/Voice Plus
IP Plus
IP/Voice
IP
IP Control Protocol Subnet Mask Delivery
No
No
No
No
NAT Default Inside Server Enhancement
No
No
No
No
No
No
No
No
No
No
No
No
WAN
Table 13
Feature List by Feature Set for the Cisco 827 Series Routers, Part 2 of 2
Feature Sets
Features
In
Addressing
Management
DHCP Server Import
Quality of Service
Committed Access Rate (CAR)
Security
IP Security Through Network Address
Translation
12.2(2)XK
Yes
Yes
Yes
No
RADIUS Support for New Platforms
12.2(2)XK
Yes
Yes
No
No
ATM OAM F5 Segment Continuity Check
12.2(2)XK
Yes
Yes
Yes
Yes
VoDSL ATM AAL2 Profile 9
12.2(2)XK
Yes
Yes
Yes
Yes
WAN
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
11
New and Changed Information
Table 14
Feature List by Feature Set for the Cisco 828 Routers
Feature Sets
Features
In
IP/FW Plus 3DES
IP/FW
IP Plus
IP
IP Control Protocol Subnet Mask Delivery
No
No
No
No
NAT Default Inside Server Enhancement
No
No
No
No
No
No
No
No
12.2(2)XK
Yes
No
Yes
No
IP Security Through Network Address
Translation
12.2(2)XK
Yes
Yes
Yes
Yes
RADIUS Support for New Platforms
12.2(2)XK
Yes
No
Yes
No
ATM OAM F5 Segment Continuity Check
No
No
No
No
VoDSL ATM AAL2 Profile 9
No
No
No
No
Addressing
Management
DHCP Server Import
Quality of Service
Committed Access Rate (CAR)
Security
WAN
New and Changed Information
The following sections list the new software features supported by routers for Release 12.2(2)XK
and above:
New Features in Release 12.2(2)XK
The following sections list the new software features supported by Cisco IOS Release 12.2(2)XK3 on
the and the Cisco 800 Series Routers.
•
ATM OAM F5 Segment Continuity Check
•
Committed Access Rate
•
DHCP Server Import
•
IP Control Protocol Subnet Mask Delivery
•
IP Security Through Network Address Translation Support
•
NAT Default Inside Server Enhancement
•
RADIUS Support
•
VoDSL ATM AAL2 Profile 9 Support
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
12
New and Changed Information
ATM OAM F5 Segment Continuity Check
If a communication problem occurs on a permanent virtual circuit (PVC) that causes no traffic to travel
in either direction, the PVC remains UP on the end-devices. Routing entries pointing to that PVC remain
in the routing table for a certain time, which results in lost packets. Operation Administration and
Maintenance (OAM) is one solution to detect this type of failure. An ATM OAM F5 segment continuity
check (CC) cell, now supported by Cisco IOS Release 12.2(2)XK3, is another type of OAM cell to detect
such failures.
Committed Access Rate
Release 12.2(2)XK3 supports committed access rate (CAR) on Cisco 828 routers, to limit bandwidth
transmission rates to traffic sources and destinations. The CAR feature also specifies policies for
handling traffic that breaches the specified bandwidth allocations. To enable CAR, enter the command
rate-limit in ATM-interface-configuration mode. Additional feature configuration instructions and
examples are available in the Software Enhancements for the Cisco 800 Routers and SOHO Routers
publication.
DHCP Server Import
Prior to Release 12.1(5), DHCP options on the IOS DHCP server could only be configured through the
command-line interface (CLI). You can now configure the same DHCP options on multiple DHCP
servers by configuring one remote master DHCP server located on the corporate backbone. Using this
capability causes all local DHCP servers to have the same DHCP options as those on the remote
DHCP server.
To enable this feature, the Cisco IOS DHCP server allows configuration information to be updated
automatically by PPP. You can enable PPP to automatically configure the Domain Name Server (DNS),
the Windows Information Name Server (WINS), or the NetBIOS Name Service (NBNS), and the server
IP address information within a Cisco IOS DHCP server pool. For instructions on configuring DHCP
server import and configuration examples, see the document Software Enhancements for the Cisco 800
Routers and SOHO Routers.
IP Control Protocol Subnet Mask Delivery
The IP Control Protocol (IPCP) feature assigns IP address pools to customer premises equipment (CPE)
devices. These devices then assign IP addresses to the CPE and to a DHCP pool.
The IPCP feature provides the following functions:
•
The IOS CPE device requests and uses the subnet.
•
The Authentication, Authorization, and Accounting (AAA) Remote Authentication Dial-In User
Service (RADIUS) provides the subnet and inserts the framed route into the proper virtual route
forwarding (VRF) table.
•
The provider edge or the edge router helps in providing the subnet through IPCP.
DHCP support is no longer on the client side because the CPE can now receive both the IP address and
the subnet mask during the PPP setup negotiation. If the CPE uses the DHCP servers to allocate
addresses for its own network, subnets can be assigned through the node route processor (NRP) on the
network access server (NAS) and distributed to the remote CPE DHCP servers. For instructions on
configuring IPCP subnet mask delivery and configuration examples, see the document Software
Enhancements for the Cisco 800 Routers and SOHO Routers.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
13
New and Changed Information
IP Security Through Network Address Translation Support
Cisco IOS network address translation (NAT) supports IP Security (IPSec) client software that does not use
Transmission Control Protocol (TCP) wrapping or User Datagram Protocol (UDP) wrapping. On Cisco
routers, this feature allows the simultaneous use of multiple, PC-based IPSec clients on which IPSec packet
wrapping is disabled or is not supported. When PCs connected to the router create an IPSec tunnel, NAT on
the router translates the private IP addresses in these packets to public IP addresses. This NAT feature also
supports multiple Point-to-Point Tunnel Protocol (PPTP) sessions, which may be initiated by PCs with PPTP
client software.
NAT Default Inside Server Enhancement
NAT syntax has been extended to allow you to specify an inside local address to receive packets that do
not match criteria in other NAT statements in the configuration. Prior to Cisco IOS Release 12.2(2)XK,
if a received packet did not match the criteria in any of the NAT statements in the configuration file,
address translation did not occur, and the packet was dropped. The new syntax allows you to specify a
default address to which all packets not matching other NAT criteria can be routed.
RADIUS Support
Cisco IOS release 12.2(2)XK supports the RADIUS feature for remote dial-in user authentication. For
instructions on configuring RADIUS, refer to the Cisco 806 Router Software Configuration Guide, and
to the Cisco IOS Security Configuration Guide.
VoDSL ATM AAL2 Profile 9 Support
Release 12.2(2)XK3 supports voice over a digital subscriber line (ADSL) using the ATM Adaptation
Layer 2 (VOAAL2) and ATM Forum profile 9. ATM Forum Profile 9 supports a 44-byte payload, which
optimizes voice transport efficiency, and makes interoperability with TDSoft gateways possible.
This feature enables the Cisco routers to operate with GR.303 and V5.2 gateways and communicate with
Class 5 switches. The voice PVC is routed to a VoAAL2 gateway that supports either the General
Recommendation 303 (GR.303) or the V5.2 protocol. This gateway converts the AAL2-encoded voice
cells to a format that can be sent over a time division multiplexed connection to a Class 5 switch. The
data PVC can be routed through the DSLAM or aggregator to the data network.
New Software Features in Release 12.2 T
For information regarding the features supported in Cisco IOS Release 12.2 T, refer to the
Cross-Platform Release Notes and New Feature Documentation links at the following location on
Cisco.com and the Documentation CD-ROM:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/index.htm
This URL is subject to change without notice. If it changes, point your web browser to Cisco.com, and
click on the following path:
Service & Support: Technical Documents: Release 12.2 (from the Cisco IOS Software
drop-down list)
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
14
Important Notes
Important Notes
The following sections contain important notes about Cisco IOS Release 12.2(2)XK3 that can apply to
SOHO 70 and Cisco 800 series routers. (Also, see the “Caveats” section on page 17.)
Upgrading the ROMMON Image
Use one of the following two procedures to update the ROMMON image for Cisco 827-4V routers. For
a description of when to update the ROMMON image, see the description of caveat CSCdv34472 in the
“Caveats” section on page 17.
Updating in ROMMON Mode
Complete the steps below to upgrade the ROMMON image in ROMMON mode.
Step 1
Download the ROMMON image from CCO and place it on your TFTP server.
Step 2
Place your Cisco 827-4V router in ROMMON mode by sending the telnet command break during a
router reboot sequence. The following prompt is displayed when the router is in ROMMON mode:
rommon 1 >
Step 3
Set the following parameters.
rommon
rommon
rommon
rommon
rommon
rommon
1
1
1
1
1
1
>
>
>
>
>
>
IP_ADDRESS=ip_address
IP_SUBNET_MASK=ip_subnet_mask
DEFAULT_GATEWAY=default_gateway
TFTP_SERVER=TFTP_server
TFTP_FILE=TFTP_file
The parameters above have the following meanings:
Table 15
ROMMON Parameters
Parameter
Value
IP_ADDRESS=
IP address of the router.
IP_SUBNET_MASK=
Router subnet mask.
DEFAULT_GATEWAY=
IP address of the router default gateway.
TFTP_SERVER=
IP address of the TFTP server on which the ROMMON
image is located.
TFTP_FILE=
The path and file name of the ROMMON image.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
15
Important Notes
Step 4
Verify parameter settings using the command set. Correct any errors by reentering the parameters and
their values. For example:
rommon> set
TFTP_CHECKSUM=0
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=1.6.0.1
TFTP_SERVER=223.255.254.254
IP_ADDRESS=1.6.97.20
TFTP_FILE=/auto/tftpload/ROMMON/C820_RM_ALT.srec.122-1r.XE2
Step 5
Upgrade the ROMMON image using the command tftpdnld -u.
Note
You might be prompted to reset the router in ROMMON mode by entering the
command reset. If you receive this prompt, reset the router before again performing Step 1
through Step 5, above.
rommon >tftpdnld -u
IP_ADDRESS: 1.6.97.20
IP_SUBNET_MASK: 255.255.255.0
DEFAULT_GATEWAY: 1.6.0.1
TFTP_SERVER: 223.255.254.254
FTP_FILE: /auto/tftpload/ROMMON/C820_RM_ALT.srec.122-1r.XE2
WARNING: alternate copy of rommon exists, filename: C820_RM_ALT.srec all existing data in
the alternate copy of rommon will be lost.
Do you wish to continue? y/n: [n]:
Step 6
Enter y to start the download. Successive exclamation points (!!!!!!) indicate the download is occurring.
The router reboots when the download is complete.
Updating in IOS EXEC Mode
Step 1
Download the ROMMON image from CCO and place it on your TFTP server.
Step 2
In EXEC mode, save the current configuration using the command copy running-config
startup-config.
Step 3
Enter the command copy tftp: rommon:, and answer the prompts. Replace the variables shown in the
following example with the correct values for your facility:
820-2#copy tftp: rommon:
Address or name of remote host []? IP_address_of_remote_host
Source filename []? rommon_image_source_file_name
Destination filename [rommon]? rommon_image_destination_file_name
Successive exclamation points (!!!!!!) indicate the download is occurring. The router reboots when the
download is complete.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
16
Caveats
Configuring PPPoE on a Cisco 806 Router
When specifying the method of authentication while configuring PPPoE and connecting to a Service
Provider, the optional argument might be required to successfully authenticate the connection. For
example:
interface Dialer0
ppp authentication pap optional
or
interface Dialer0
ppp authentication chap optional
Caveats
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most
serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these
three severity levels.
Caveats in Cisco IOS Releases 12.2 and 12.2 T are also in Cisco IOS Release 12.2(2)XK3. For
information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2. For
information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T. These
two documents list severity 1 and 2 caveats and are located on CCO and the Documentation CD-ROM.
Note
If you have an account with Cisco.com, you can also use the Bug Toolkit to find select caveats of any
severity. To reach the Bug Toolkit, log in toCisco.com and click Service & Support: Technical
Assistance Center: Tool Index: Bug Toolkit. Another option is to go to
http://www.cisco.com/cgi-bin/Support/Bugtool/launch_bugtool.pl.
Resolved Caveats—Releases 12.2(2)XK2 and 12.2(2)XK3
This section describes unexpected behavior that is fixed in Releases 12.2(2)XK2 and 12.2(2)XK3.
Management
CSCdw65903
An error can occur with management protocol processing. Please use the following URL for
further information:
http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdw65903
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
17
Caveats
Resolved Caveats—Release 12.2(2)XK1
Cisco IOS Release 12.2(2)XK1 is a rebuild release for Cisco IOS Release 12.2(2)XK. The caveats in this
section are resolved in Cisco IOS Release 12.2(2)XK1 but might be open in previous Cisco IOS releases.
Miscellaneous
CSCdv62649
The command ip tacacs source-interface does not work correctly. If a router is configured to use
“loopback interface” for TACACS packets, the router might still use “interface address”.
CSCdu62677
The command ip addr dhcp hostname is now disabled.
Open Caveats—Release 12.2(2)XK
This section describes possibly unexpected behavior by Release 12.2(2)XK. Only severity 1 through 3
caveats are included.
Miscellaneous
CSCdt55603
The object cikeTunRemoteName is always an IP address regardless whether the peers have the isakmp
key as a name peer or ipaddress peer. This caveat is a duplicate to caveat CSCds04437.
CSCdt93933
Cisco routers return a zero-length string when queried for the SNMP object isdnBearerPeerAddress,
instead of the actual value. The command show call active voice bried displays the PeerAddress value.
CSCdt93965
Not able to create new rows in isdnSignalingTable. This caveat is a duplicate to caveat CSCdp57230.
CSCdu52623
When X.25 encapulation is directly configured under the D channel on a Cisco 800 series router, at
power up Layer 2 does not come up, even when isdn tei-negotiation powerup is set. To work around
this problem, either enter the command no shut or a clear int bri 0 to bring up interface or use X.25
encapsulation under a dialer interface.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
18
Caveats
CSCdu55044
The CISCO-VOICE-DIAL-CONTROL-MIB object cvCallActiveCallerIDBlock returns
incorrect values.
CSCdu55062
The object cvCallActiveSessionTarget returns incorrect values.
CSCdu55195
DS1 failure on repetitive patterns.
CSCdu55959
Cisco 800 series routers do not boot with TinyROM 1.4(1) or burned-in versions 1.2(0) or 1.0(3). One
workaround is to upgrade to TinyROM burned-in version 1.2(2). Other TinyROM versions have not
been tested.
CSCdu56183
The CISCO-VOICE-DIAL-CONTROL-MIB values cannot be set through SNMP for the object
cvVoIPPeerCfgFaxBytes.
CSCdu56201
Setting the CISCO-VOICE-DIAL-CONTROL-MIB object cvVoIPPeerCfgDigitRelay results in
an error.
CSCdu73718
The following IPSec MIB variables return incorrect values: cikeGlobalOutNotifys,
cikeTunOutNotifys, cikeTunHistOutNotifys, cikeGlobalOutP2SaDelRequests,
cikeTunOutP2SaDelRequests and cikeTunHistOutP2SaDelRequests.
CSCdu74709
The objects cikeGlobal[In/Out]P2Exchgs and cikeTun[In/Out]P2Exchgs return incorrect values.
CSCdu83902
The CISCO-IPSEC-MIB object cips3DesCapable returns incorrect values.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
19
Caveats
CSCdu89082
There is a very short delay while the command IP DHCP hostname becomes effective. If consecutive
entries of the command ip address dhcp hostname are applied to an interface, the command show
running config does not display the command ip add dhcp in a running configuration. The intention is
to allow previous hostnames to be written over with later hostnames.
CSCdv00104
The CISCO-IPSEC-FLOW-MONITOR-MIB object cipSecTunHistTotalSas returns incorrect values.
This caveat is a duplicate to caveat CSCds10702.
CSCdv01383
Packets are not dropped when partial encryption maps or empty dynamic access lists are applied during
IPSec negotiation.
CSCdv01412
Voice loopback does not work.
CSCdv02381
The IPSEC-FLOWMONITOR-MIB objects cipSecTunLifeSize and cipSecTunLifeTime return
incorrect values.
CSCdv02785
Some Caller-ID devices display the message “Number not available” with the calling number. For
example, in Italy some Caller-ID devices display “NON disponibile”, meaning “Number not available”.
This occurs when the name of a calling-party is not available. Therefore, this message means “No name”,
that is, the name of the calling side is not known. To associate a name with a given voice-port on the
calling-side, configure the command station-id name station-name on the voice-port from which calls
are made.
CSCdv03686
Caller-ID does not always display if calls on a voice port are received in quick succession and the
“cptone” configured on the voice-port is Denmark(DK). To work around this problem, configure the
voice-port with the command timing digit 70 whenever the cptone configured on a voice-port
is Denmark.
CSCdv12488
Some packets are dropped due to cyclical redundancy check (CRC) errors.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
20
Caveats
CSCdv17664
The demandNbrName MIB object is not populated when initially queried. To work around this
problem, use SNMP to set the variable.
CSCdv17679
The traps demandNbrCallDetails and demandNbrCNANotification are not sent when ISDN calls are
made on the Voice NT or TE BRI interfaces.
CSCdv17691
Cisco routers unexpectedly reset when the object entLogical community is set to a longer string length
than the range specified in the associated MIB file.
CSCdv20646
The objects entPhysicalVendorType and entPhysicalContainedIn return incorrect values.
CSCdv20689
The object entPhysicalTable returns empty strings as a result of some entries.
CSCdv22493
After a voice-capable Cisco router reloads, when a fractional T1 WIC is installed in Slot 0 and a BRI is
installed in Slot 2, the FXS port in Slot 1 intermittently fails to come up. To work around this problem,
reload the router again.
CSCdv23896
Under heavy traffic conditions using two parallel serial links, load balancing does not work correctly;
the serial Slot and Port 0/0 drops noticeably more packets than the other serial interface.
CSCdv24610
Cisco routers unexpectedly reset if the command service-policy {input | output} policy-map-name is
configured for a permanent virtual circuit (PVC) or virtual-template interface.
CSCdv27169
When voice calls are in progress between local voice ports (such as Port 1 calling Port 2), and the
command ping executes, voice quality degrades on those internal calls. This occurs when the DSLAM
profile is set to 192 kbps both upstream and downstream; and no PVC data rate limiting is set. To
correctly limit the bandwidth allocated to the data PVC, rate-limit the PV when using UBR. Rate limiting
is not set by default, therefore, if no rate limiting is set for the PVC, the traffic from the PVC take away
all the available bandwidth, at the cost of all other rate-limited traffic.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
21
Caveats
CSCdv32198
On SOHO 70 and Cisco 800 series routers, AAL2 calls clear before a reanswer timeout. To work around
this problem, configure the reanswer timer to 5 seconds instead of 15 seconds, or provision the DSL line
to use fast path instead of interleaved path.
CSCdv34472
Cisco 827-4V routers shipped before the distribution of Release 12.2(2)XK3 contain a ROMMON image
that does not support the VoAAL2 Profile 9 feature. Therefore, to ensure proper router VoAAL2 Profile 9
functionality and avoid rendering a Cisco 827-4V router inoperable, upgrade the ROMMON image to
“C820_RM_ALT.srec.122-1r.XE2” before downloading Release 12.2(2)XK3 and above. This
ROMMON image is backwards compatible with all previously-released Cisco 827-4V software images.
Caution
Cisco 827-4V routers do not properly operate and enter into an unrecoverable state if you attempt to
load Release 12.2(2)XK3 without first upgrading the ROMMON image. This problem occurs even if
AAL2 profile 9 parameters are not configured on the router.
This issue affects all Cisco 827-4V routers shipped before the availability of Release 12.2(2)XK3.
Routers shipped after the distribution of Release 12.2(2)XK3 likely already contain a compatible
ROMMON image. See “Upgrading the ROMMON Image” section on page 15 for ROMMON image
upgrade instructions.
CSCdv35467
When configuring the mtu 1500 for an ATM interface in a Cisco router, after the router reloads, the PVC
associated with the ATM interface remains in the INAC state.
CSCdv37323
When a Cisco 827 router functions with a tdSoft VonGate (V5.2 gateway) for a VoAAL2 application,
data packets are dropped even though the DSLAM has a speed profile of 640 kbs upstream and 8 MB
downstream. This occurs when an ATM interface is not properly configured to allocate sufficient
bandwidth to data packets while there are voice calls in progress. For proper bandwidth allocation and
prioritization to voice and data, configure the command no atm cell-clumping-disable under the ATM
interface.
CSCdv46730
The OAM F5 CC feature is not active after a router reload if OAM F5 loopback is configured and
enabled. The workaround is to configure the OAM F5 CC feature only after a router has fully rebooted.
If no OAM F5 loopback function is configured or enabled during a router reboot, the OAM F5 CC
function activates as expected.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
22
Related Documentation
CSCdv48918
On a Cisco 827 router, when configuring the command compand-type A-law under a voice-port, voice
quality degrades and becomes distorted. To work around this problem, note that the Cisco 827 router
does not support configuring the compand-type under a voice-port; instead, configure the command
type/compand-type under dial-peer.
Related Documentation
The following sections describe the documentation available for the SOHO 70 and Cisco 800 series
routers. Typically, these documents consist of hardware and software installation guides, Cisco IOS
configuration and command references, system error messages, feature modules, and other documents.
Documentation is available as printed manuals or electronic documents, except for feature modules and
the Cisco IOS release notes, which are available online on Cisco.com and the Documentation CD-ROM.
Use these release notes with the documents listed in the following sections:
•
Release-Specific Documents
•
Platform-Specific Documents
•
Obtaining Documentation and Technical Assistance
Release-Specific Documents
The following documents are specific to Release 12.2 and apply to Release 12.2(2)XK3. They are
located on Cisco.com and the Documentation CD-ROM (under the heading Service & Support):
•
To reach the Release Notes for the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK, click
this path:
Technical Documents: Cisco IOS Software: Release 12.2: Release Notes: Cisco 800 Series
Routers: Cisco 800 Series - Release Notes for Release 12.2(2)XK
•
To reach the Cross-Platform Release Notes for Cisco IOS Release 12.2 T, click this path:
Technical Documents: Cisco IOS Software: Release 12.2: Release Notes: Cisco IOS
Release 12.2 T
•
To reach product bulletins, field notices, and other release-specific documents, click this path:
Technical Documents: Product Bulletins
•
The Caveats for Cisco IOS Release 12.2 and Caveats for Cisco IOS Release 12.2 T documents
contain caveats applicable to all platforms for all maintenance releases of Release 12.2. To reach the
caveats documents, click this path:
Technical Documents: Cisco IOS Software: Release 12.2: Caveats
Note
If you have an account with Cisco.com, you can also use the Bug Toolkit to find select caveats of any
severity. To reach the Bug Toolkit, log in toCisco.com and click Service & Support: Technical
Assistance Center: Tool Index: Bug Toolkit. Another option is to go to
http://www.cisco.com/cgi-bin/Support/Bugtool/launch_bugtool.pl.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
23
Obtaining Documentation and Technical Assistance
Platform-Specific Documents
Hardware installation guides, configuration and command reference guides, and additional documents
are available for the SOHO 70 and Cisco 800 series routers on Cisco.com and the Documentation
CD-ROM.
SOHO 70 and Cisco 800 Series Routers
Documentation specific to the SOHO 70 Series Routers and Cisco 800 Series Routers is available on
Cisco.com and the Documentation CD at the following location:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/index.htm
This URL is subject to change without notice. If it changes, point your web browser to Cisco.com, and
click the following path:
Cisco Product Documentation: Access Servers and Access Routers: Fixed Configuration Access
Routers: Cisco 1700 Series Routers: <platform_name>
Software Configuration
The document Cisco Router Web Setup User Guide is available for the SOHO 70 and Cisco 800 series
routers at the following location:
http://www.cisco.com/univercd/cc/td/doc/clckstrt/crws/ugcrws30.htm
This URL is subject to change without notice. If it changes, point your web browser to Cisco.com or the
Documentation CD, and click the following path:
Technical Documents: Router Configuration Tools: Cisco Router Web Setup
Obtaining Documentation and Technical Assistance
The Cross-Platform Release Notes for Cisco IOS Release 12.2 T contains the latest descriptions and
locations of the following sources for obtaining documentation and technical assistance from
Cisco Systems. See the section “Release-Specific Documents” for the location of the Cross-Platform
Release Notes for Cisco IOS Release 12.2 T.
Additional sources of documentation and technical assistance are listed below:
•
World Wide Web, Cisco.com—Cisco Systems website: http://www.cisco.com.
•
Documentation CD—Cisco documentation and additional literature are available in a CD package,
which ships with your product.
•
Ordering documentation—Methods for ordering documentation include Networking Products
MarketPlace, the online Subscription Store, and calling a local account representative using the
Cisco corporate headquarters or North America phone numbers.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
24
Obtaining Documentation and Technical Assistance
•
Documentation feedback—When using the World Wide Web, you can submit technical comments
electronically. You can also send e-mail, mail in the response card that is behind the front cover of
many documents, or send correspondence to Cisco Systems. We appreciate your comments.
•
Technical Assistance Center (TAC)—The Cisco TAC website is available to all customers who need
technical assistance with a Cisco product or technology that is under warranty or covered by a
maintenance contract. You can contact the TAC using Cisco.com or by phone. Toll-free numbers are
available for many countries.
Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
25
Obtaining Documentation and Technical Assistance
This document is to be used in conjunction with the documents listed in the “Related Documentation” section.
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Release Notes for the SOHO 70 Series Routers and the Cisco 800 Series Routers for Cisco IOS Release 12.2(2)XK
26