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Cisco UCS 6100 Series Configuration Limits for Cisco UCS Manager,
Release 1.4
Cisco UCS 6100 Series Configuration Limits for Cisco UCS Manager, Release 1.4 2
Configuration Limits 2
Revised: June 1, 2011, OL-24917-01
Cisco UCS 6100 Series Configuration Limits for Cisco UCS
Manager, Release 1.4
This document describes the Cisco configuration limits for Cisco UCS 6100 Series fabric interconnects running Cisco UCS Manager,
release 1.4.
Configuration Limits
The following table lists the Cisco verified limits for Cisco UCS 6100 series fabric interconnects running Cisco UCS Manager, release
1.4.
Table 1: Ethernet Environments
Feature
Cisco UCS 6100 Series
Active VLANs per system
1024
Note
32 VLANS are set aside for VSANs and the remaining are the
VLANs.
VLAN/VSAN ID space per system
4013 unreserved space
STP logical Interfaces (also referred to
as VLAN port count) per fabric
interconnect
6000
Note
The only exception is for
failover vNICs. These consume
resources on a per UCS system
basis.
VIFs (virtual interfaces on the fabric
interconnect that map through VN-link
to a vNIC or VM itself) per fabric
interconnect
Note
2000
The only exception is for
failover vNICs. These consume
resources on a per UCS system
basis.
IGMP groups per system
1000
EtherChannels per fabric interconnect
16
Member interfaces per EtherChannel
16
Primary VLANs per system
30
2
Note
Private VLANs count towards the total number of
VLANs.
Secondary VLANs per system
30
QOS system classes per system
6 (including the class default)
Dynamic virtual NICs per VIC
56
Note
Static virtual NICs per VIC
Dependent on the OS. ESX supports 56 dynamic vNICs in ESX, versions
4.0 and 4.1.
OS
VNICs
vHBAs
Win 2003
10
2
Win 2008
20
16
32
16
26
16
Note
Total maximum
combination of
vNICs and
vHBAs is limited
to 20.
RHEL 5.4
Note
Total maximum
combination of
vNICs and
vHBAs is limited
to 32.
ESX 4UI
Note
Total maximum
combination of
vNICs and
vHBAs is limited
to 26.
Table 2: Fibre Channel Environments
Feature
Cisco UCS 6100 Series
VSANs
32
Zones
Default zoning is disabled on a per VSAN basis.
Note
Native 4G FC links in the 6120
Zoning is not natively supported on the 6100 series fabric interconnects.
Zones can be uploaded from MDS or Nexus 5000.
8
Note
4G Fibre Channel links are supported on expansion model N10-E0080 (8
1/2/4 Gbps ports)
3
Native 4G FC links in the 6140
16
Native 8G FC links in the 6120
6
Note
Native 8G FC links in the 6140
12
Virtual Fibre Channel interfaces per
fabric interconnect
160
8G Fibre Channel links are supported on expansion model N10-E0060 (6
1/2/4/8 Gbps ports)
Virtual Fibre Channel interfaces per blade 32
interconnect
Flogis per Fibre Channel module
255
Table 3: VM-FEX (PALO PTS) Environments
Feature
Cisco UCS 6100 Series
VMs per blade
54 with 2 vHBAs
56 without vHBAs
Hosts per DVS
60
DVSs per system
8
vCenters per system
8
Port profiles per system
180
Table 4: General Parameters
Feature
Cisco UCS 6100 Series
Chassis per system
20
MAC table size per system
32000 entries
5001 entries are reserved as multicast MAC addresses; the usable limit for unicast
MAC addresses is 13,800.
Secured interfaces per system
1000
1000 out of the 2000 VIFs can be port-secured.
Secured MAC addresses per system
2000
MAC addresses secured using the port-security feature.
4
Maximum MTU
9000
1G ports per 6120
First 8 fixed ports
1G ports per 6140
First 16 fixed ports
IP storage appliances per fabric
interconnect
2 IP storage applicances per fabric interconnect are validated. No software
limitations.
SPAN active sessions per fabric
interconnect
2
5
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