Release Notes for Cisco ME 2600X Series
Ethernet Access Switch, Cisco IOS Release
15.4(2)S
These release notes include important information about the Cisco IOS Release 15.4(2)S that runs on the
Cisco ME 2600X series ethernet access switches. Use this document in conjunction with the previous Release
Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.2(2)SA2.
These release notes also include the limitations, restrictions, and caveats that apply to these releases.
You can verify that these release notes apply to your switch as follows:
• If you are installing a new switch, see the Cisco IOS release label on the rear panel of your switch.
• If your switch is on, use the show version privileged EXEC command. See the Determining the Software
Version section.
For the complete list of Cisco ME 2600X switch documentation, see the Related Documentation section.
You can download the switch software from this site (registered Cisco.com users with a login password):
http://www.cisco.com/cisco/software/navigator.html?a=ahttp://www.cisco.com/cisco/web/download/
index.htmli=rpm
• New and Changed Information, page 2
• Determining the Software Version, page 2
• Upgrading to a New Software Release, page 2
• Downloading The Software Image File, page 3
• Limitations and Restrictions, page 3
• Using the Bug Search Tool, page 3
• Caveat List for Cisco IOS Release 15.4(2)S, page 4
• Related Documentation, page 7
• Obtaining Documentation and Submitting a Service Request, page 7
Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
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Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
New and Changed Information
New and Changed Information
The following sections list new features:
New Hardware Features in Release 15.4(2)S
There are no new hardware features in this release.
New Software Features in Release 15.4(2)S
Point-to-point protocol over Ethernet Intermediate Agent
Point-to-point protocol over Ethernet Intermediate Agent (PPPoE IA) is placed between a subscriber and
Broadband Remote Access Server (BRAS).
PPPoE IA helps the service provider BRAS to distinguish between end hosts connected over Ethernet and an
access device.
For more information about Point-to-point protocol over Ethernet Intermediate Agent, see the Cisco ME
2600X Series Ethernet Access Switch Software Configuration Guide, Release 15.4(2)S.
Multicast VLAN Registration Global
Multicast VLAN Registration (MVR) is now available in the global mode.
For more information about Multicast VLAN Registration, see the Cisco ME 2600X Series Ethernet Access
Switch Software Configuration Guide, Release 15.4(2)S.
Determining the Software Version
To determine the version of Cisco IOS software that is running on your Cisco router, log in to the router and
enter the show version EXEC command:
Router# show version
Cisco IOS Software, ME2600X Software (ME-UNIVERSALK9-M), Version 15.2(2)SA,
RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Upgrading to a New Software Release
For information about choosing a new Cisco IOS software release, see How to Choose a Cisco IOS Software
Release at this URL:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_tech_note09186a00800fb9d9.shtml
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Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
Downloading The Software Image File
For information about upgrading the Cisco ME 2600X series ethernet access switches, see the document at
this URL:
http://cisco.com/en/US/docs/switches/metro/me2600x/config/guide/b_ME2600X_config_guide_BookMap.html
Use Cisco Feature Navigator to find information about platform support and software image support. Cisco
Feature Navigator enables you to determine which Cisco IOS and Catalyst OS software images support a
specific software release, feature set, or platform. To access Cisco Feature Navigator, go to http://
www.cisco.com/go/cfn. An account on Cisco.com is not required.
To choose a new Cisco IOS software release based on information about defects that affect that software, use
the Bug Toolkit at this URL:
http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl
Downloading The Software Image File
To download the software image file for your device, complete these steps:
Step 1
If you are a registered customer, go to this URL and log in.
http://www.cisco.com/cisco/software/navigator.html?a=a&i=rpm
Step 2
Step 3
Step 4
Navigate to Switches > Service Provider Switches - Ethernet Access.
Navigate to your switch model.
Click IOS Software, and select me2600x-universalk9-mz.152-2.SA.fc5.
Step 5
To download the selected software image, click Download.
Limitations and Restrictions
For limitations and restrictions applicable to a particular feature supported on Cisco ME 2600X, see the Cisco
ME 2600X Series Ethernet Access Switch Software Configuration Guide, Release 15.2(02)SA at http://cisco.com/
en/US/products/ps12951/tsd_products_support_series_home.html
Using the Bug Search Tool
This chapter describes how you can use the bug search tool to search for bugs in a Cisco IOS release.
Bug Severity Levels
The system grades known problems (bugs) according to severity level. These release notes contain descriptions
of the following bug levels:
• All severity level 1 or 2 bugs
• Significant severity level 3 bugs
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Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
Access Bug Search
• All customer-found bugs
Access Bug Search
You can search for problems by using the Cisco Bug Search tool.
To access Bug Search, you need the following items:
• Internet connection
• Web browser
• Cisco.com user ID and password
Using Bug Search Tool
This section explains how to use the Bug ToolKit to search for a specific bug.
SUMMARY STEPS
1. Go to https://tools.cisco.com/bugsearch/
2. You are prompted to log into Cisco.com. Log in with your Cisco.com user ID and password. After successful
login, the Bug Search Tool page opens.
3. To search for a specific bug, enter the bug ID in the Search for field and press Enter.
DETAILED STEPS
Step 1
Step 2
Step 3
Go to https://tools.cisco.com/bugsearch/
You are prompted to log into Cisco.com. Log in with your Cisco.com user ID and password. After successful login, the
Bug Search Tool page opens.
To search for a specific bug, enter the bug ID in the Search for field and press Enter.
Tip
Click Help on the Bug Search page for information about how to search for bugs, create saved searches, and
create bug groups
Caveat List for Cisco IOS Release 15.4(2)S
This chapter describes the open severity 1 and 2 caveats, and select severity 3 caveats:
The "Open Caveats" sections list open caveats that apply to the current release and may apply to previous
releases. A caveat that is open for an earlier release and is still unresolved, applies to all future releases until
it is resolved.
The bug IDs are sorted alphanumerically.
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Open Caveats—Cisco IOS Release 15.4(2)S
Note
The Caveats section includes the bug ID and a short description of the bug. For details on the symptoms,
conditions, and workaround for a specific caveat you must use the Bug Search Tool. For more details, see
Using Bug Search Tool.
Open Caveats—Cisco IOS Release 15.4(2)S
Bug ID
Description
CSCuc29856
When static IPSG is removed from the interface, the IPSG
table maintains stale entry.
CSCuc99941
When using the device at 10 Mbps, after reload, one out of
the eight link aggregation members sometimes goes to a
passive state.
CSCuj47466
If the users configure 128 BD and enable IGMP snooping
on the device, even after deleting the BD and unconfiguring
the IGMP snooping on the BD's, memory leaks are observed
during configuring/unconfiguring.
CSCum25901
When the access node-id is not specified, Management
interface IP can not be configured as an access node id.
CSCum25999
When ingress encap is dot1ad, Pop1, Pop2, 2 to 1 re-write
are not working.
CSCum29903
show ip igmp snooping mrouter command shows VLAN.
CSCum33167
When PPPoE-IA is enabled on the switch, the switch
forwards PADR/PADT packets to untrusted port.
CSCun55555
shut and no shut operations are not allowed on port-channel
interface.
CSCuo43348
Configuration is lost when upgrading the image from Cisco
IOS Release 15.2(2)SA or 15.2(2)SA2 to 15.4(2)S.
Resolved Caveats—Cisco IOS Release 15.4(2)S
Bug ID
Description
CSCuc62423
When sending join packets, it is observed that Tx processed join counter is not
incremented. It always show zero value.
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Resolved Caveats—Cisco IOS Release 15.4(2)S
Bug ID
Description
CSCue24615
Command to upgrade cpld needs to be added.
CSCue35420
Memory leaks are observed while configuring/unconfiguring 128 IGMP snoop BD.
CSCue59237
The value for Entity physical vendor type for ME2600X-FAN is incorrect.
CSCue91389
New feature Point-to-point protocol over Ethernet Intermediate Agent (PPPoE IA)
Feature is added.
CSCug21214
Feature Enhancement- Multicast VLAN Registration (MVR) is now available in
the global mode.
CSCug91129
The ddr control setting are changed to support new ddr chip
"MT41K256M8DA-125 IT:K" in rommon.
CSCuh98244
When pinging to the device, the latency is high. The Round Trip Time (RTT) for
repeated ping of 5000 packets is more than 300 msec for some intermittent packets.
CSCui68590
The device is required to support IPv6 In-Band management support using the BDI
Interface. Currently, this support exists only on L3 Interface and Management port.
CSCui68798
Crypto keys generated for ssh login do not get restored after reload. When write
memory is executed, the keys get stored under the file private-config.
CSCui81968
When running no mvr type source or no mvr type receiver, commands, the FP
entry is not removed and is still seen.
CSCui95629
While upgrading Rommon image, the name of the Bootstrap image does not match
with the image name it is expecting to load.
CSCui96187
show version command does not show the correct rommon version.
CSCuj13622
The device Rommon needs to use default gcc TOOLS_VER for CEL5.5 Migration.
CSCuj22154
show platform environment command does not show correct speed in RPM.
CSCuj43597
The Contained-In value of containers in entity mib is not properly set in the
entPhysicalEntry.
CSCuj44685
While copying an image to a file-system a warning message is printed due to
non-platform specific cputype.
CSCuj60132
The clear mac-address-table command is not working.
CSCuj65680
Bootstrap name does not show properly while upgrading the Rommon.
CSCuj67984
The show PPPoE IA command displays PPPoE IA enabled on VLAN, instead of
BD.
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Related Documentation
Bug ID
Description
CSCuj71289
The command clear pppoe intermediate-agent statistics does not clear the packet
counters.
CSCuj76603
VSA tag is not added by the switch when PPPoE IA is enabled only on EFP level
on client side.
CSCuj77186
When PPPoE IA is enabled on the interface, egress encapsulation rule does not
work for PPPoE packet while egressing out of an interface.
CSCuj99841
When PPPoE IA is enabled on EFP, Mac security rule does not apply for PPPoE
frames.
CSCul07381
PPPoE IA does not send generic error type frame, when the ethernet frame size
exceeds 1500 after adding VSA tag.
CSCul14874
Dot1ad encapsulation is tagged incorrectly when PPPoE IA is enabled.
CSCul40248
The switch should drop PADT packets when frame size exceeds 1500.
CSCul69004
The Mac address table can not be cleared in BD level.
CSCul96848
Policy map counters shows n/a for conform, and exceed traffic when dual rate 3
color policy is applied on the interface level.
CSCum43525
Platform Power Alarm Notification is observed for Power module A & B while in
operational Volt range.
Related Documentation
User documentation in HTML format includes the latest documentation updates and might be more current
than the complete book PDF available on Cisco.com.
These documents provide information about the switch and are available from this Cisco.com site:
http://cisco.com/en/US/products/ps12951/tsd_products_support_series_home.html
• Regulatory Compliance and Safety Information for the Cisco ME 2600X Series Ethernet Access Switch
• Cisco ME 2600X Series Ethernet Access Switch Hardware Installation Guide
• Cisco ME 2600X Series Ethernet Access Switch Software Configuration Guide, Release 15.4(02)S
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information,
see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco
technical documentation, at:
Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
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Release Notes for Cisco ME 2600X Series Ethernet Access Switch, Cisco IOS Release 15.4(2)S
Obtaining Documentation and Submitting a Service Request
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS version 2.0.
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