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Configuration Limits
The following tables list the Cisco verified limits for Cisco UCS 6100 and 6200 series fabric interconnects running Cisco UCS Manager release 2.0 or higher.
NoteFor additional VMware ESX configuration information, see the Cisco VM-FEX Best Practices for VMware ESX Environment Deployment Guide available at the following URL: http://www.cisco.com/en/US/solutions/collateral/ns340/ns517/ns224/ns944/vm_fex_best_practices_deployment_guide_ns1124_Networking_Solutions_White_Paper.html
Ethernet Environment Configuration Limits
Feature Cisco UCS 6100 Series Cisco UCS 6200 Series Active VLANs per Cisco UCS domain
1024
Note 32 VLANS are set aside for VSANs and the remaining are the VLANs.
1024
Note 32 VLANS are set aside for VSANs and the remaining are the VLANs.
VLAN/VSAN ID space per Cisco UCS domain
4013 unreserved space
4013 unreserved space
Note The only exception is for failover vNICs. These consume resources on a per Cisco UCS domain basis.
14000
32000
Note The only exception is for failover vNICs. These consume resources on a per Cisco UCS domain basis.
2000
2000
IGMP groups per Cisco UCS domain
1000
1000
Uplink port channels per fabric interconnect
12
12
Member interfaces per port channel
8
8
Primary VLANs per Cisco UCS domain
Note Private VLANs count towards the total number of VLANs.
30
30
Secondary VLANs per Cisco UCS domain
30
30
QOS system classes per Cisco UCS domain
6 (including the class default)
6 (including the class default)
Dynamic virtual NICs per VIC
OS
Max vNICs for PTS
Max vNICs for UPT
Same as 6100 series
ESX 4.0
56
N/A
ESX 4.1
56
N/A
ESX 5.0
116
114 with 2 vHBAs
116 without vHBAs
56 with default configuration
54 with 2 vHBAs
56 without vHBAs
KVM 6.1
116
114 with 2 vHBAs
116 without vHBAs
N/A
Static virtual NICs per VIC
OS
VNICs
vHBAs
OS
VNICs
vHBAs
Win 2003
10
2
Win 2003
10
2
Win 2008
Total maximum combination of vNICs and vHBAs is limited to 20.
20
16
Win 2008
Total maximum combination of vNICs and vHBAs is limited to 20.
20
16
RHEL 5.4
Total maximum combination of vNICs and vHBAs is limited to 32.
32
16
RHEL 5.4
Total maximum combination of vNICs and vHBAs is limited to 32.
32
16
ESX 4UI
Total maximum combination of vNICs and vHBAs is limited to 26.
26
16
ESX 4UI
Total maximum combination of vNICs and vHBAs is limited to 26.
26
16
Xenserver 5.6FP1
Total maximum combination of vNICs and vHBAs is limited to 20.
20
2
Xenserver 5.6FP1
Total maximum combination of vNICs and vHBAs is limited to 20.
20
2
Xenserver 6.0
Total maximum combination of vNICs and vHBAs is limited to 32.
32
2
Xenserver 6.0
Total maximum combination of vNICs and vHBAs is limited to 32.
32
2
Fibre Channel Environment Configuration Limits
Feature Cisco UCS 6100 Series Cisco UCS 6200 Series VSANs
32
32
Zones
Default zoning is disabled on a per VSAN basis.
Note Zoning is not natively supported on 6100 series fabric interconnects. Zones can be uploaded from MDS or Nexus 5000.
Default zoning is disabled on a per VSAN basis.
Note Zoning is not natively supported on 6200 series fabric interconnects. Zones can be uploaded from MDS or Nexus 5000.
Native FC links
Native 4G links:
Native 8G links:
6248—Up to 48
6296—Up to 96
Virtual Fibre Channel interfaces per fabric interconnect
160
160
Virtual Fibre Channel interfaces per blade
16
16
Flogis per Fibre Channel module
256
256
Maximum number of SAN port channels
4
4
Maximum port channel members per port channel
16
16
Port channel mode in NPV
Active
Active
Port channel mode in FC switching
On
On
General Network Configuration Limits
Feature Cisco UCS 6100 Series Cisco UCS 6200 Series Unicast MAC addresses per fabric interconnect
13800 entries
20000 entries
Multicast MAC addresses per fabric interconnect
6000
7000
Secured interfaces per Cisco UCS domain
1000
1000 out of the 2000 VIFs can be port-secured.
1000
1000 out of the 2000 VIFs can be port-secured.
Secured MAC addresses per Cisco UCS domain
2000
MAC addresses secured using the port-security feature.
2000
MAC addresses secured using the port-security feature.
Maximum MTU
9000
9000
1G ports
6120—First 8 fixed ports
6140—First 16 fixed ports
6248—Up to 48
6296—Up to 96
IP storage appliances per fabric interconnect
2
2
SPAN active sessions per fabric interconnect
2
2
General Management Configuration Limits
Feature Cisco UCS 6100 Series Cisco UCS 6200 Series Chassis per Cisco UCS domain
20
20
Local user accounts per Cisco UCS domain
48
48
Concurrent logins per user account
32
This value is the same for both local and remote user accounts.
32
This value is the same for both local and remote user accounts.
Active KVM sessions per individual CIMC
4
4
Concurrent logins per Cisco UCS Manager
256
There can be any combination of GUI, CLI, or API logins as long as the total number of logins does not exceed 256.
256
There can be any combination of GUI, CLI, or API logins as long as the total number of logins does not exceed 256.
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