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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 2.1(x).
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
982
This is the combined total of VLANs and VSANs that can be configured on each fabric interconnect. Of that total, no more than 32 can be VSANs.
982
This is the combined total of VLANs and VSANs that can be configured on each fabric interconnect. Of that total, no more than 32 can be VSANs.
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
64000 (with VLAN Port Count Optimization enabled)
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)
VIC Environment Configuration Limits
Static Virtual NICs per VIC
Cisco UCS 6100 Series and Cisco UCS 6200 Series OS vNICs vHBAs Max Combination of vNICs and vHBAs Win 2008 SP2 and R2 SP1
20
16
12 Enics and 8 Fnics
Win 2012
20
16
12 Enics and 8 Fnics
RHEL 5.7—6.4
32
16
24 Enics and 8 Fnics
ESX 4.1U2—ESX 5.1
26
26
18 Enics and 8 Fnics
Xenserver 6.1
32
16
24 Enics and 8 Fnics
Oracle UEK 2.6.39—200
18
6
18 Enics and 6 Fnics
SUSE 11.2
32
16
24 Enics and 8 Fnics
Dynamic Virtual NICs per VIC
Cisco UCS 6100 Series and Cisco UCS 6200 Series OS Max vNICs for Emulated Max vNICs for VM Direct Path ESX 4.0—4.1
56
N/A
ESXi 5.0—5.1
114 vNICs and 2 vHBAs
116 (114 vNICs and 2 vHBAs)
Windows 2012 (SR-IOV)
Half-Width Blade
114 vNICs and 2 vHBAs
N/A
Windows 2012 (SR-IOV)
Full-Width Blade
223 vNICs with 4 vHBAs or 232 vNICs with 0 vHBAs
N/A
KVM 6.1—6.3
Half-Width Blade
114 vNICs and 2 vHBAs
N/A
KVM 6.1—6.3
Full-Width Blade
223 vNICs with 4 vHBAs or 232 vNICs with 0 vHBAs
N/A
Fibre Channel Environment Configuration Limits
Feature Cisco UCS 6100 Series Cisco UCS 6200 Series VSANs
32
Note This is the combined total of VLANs and VSANs that can be configured on each fabric interconnect. Of that total, no more than 32 can be VSANs.
32
Note A combined total of 982 VLANs and VSANs can be configured on each fabric interconnect.
Zones
Note If you implement Cisco UCS Manager-based zoning, the maximum number of targets per service profile is 64.
Note If you implement Cisco UCS Manager-based zoning, the maximum number of targets per service profile is 64.
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
VM-FEX Environment Configuration Limits
Cisco UCS 6100 Series Cisco UCS 6200 Series Hypervisor Manager DVS Hypervisor Manager DVS ESX/ESXi
1 vCenter per Cisco UCS domain
1 DVS per vCenter
1 vCenter per Cisco UCS domain
4 DVS per vCenter
Hyper-V
1 MMC Instance
5 DVS per Cisco UCS domain
1 MMC Instance
5 DVS per Cisco UCS domain
KVM
N/A
1 DVS per Cisco UCS domain
N/A
1 DVS per Cisco UCS domain
Port profiles per Cisco UCS domain
512
512
Dynamic ports per port profile
4096
4096
Dynamic ports per DVS
4096
4096
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
Maximum combined number of blade and rack servers per Cisco UCS domain
160
160
Maximum number of 2232PP Fabric Extenders per Cisco UCS domain
20 (10 per fabric interconnect)
20 (10 per fabric interconnect)
Local user accounts per Cisco UCS domain
48
48
Concurrent logins per user account
64
This total includes a maximum of 32 concurrent GUI logins and 32 concurrent CLI logins per user account.
This value is the same for both local and remote user accounts.
64
This total includes a maximum of 32 concurrent GUI logins and 32 concurrent CLI logins per user account.
This value is the same for both local and remote user accounts.
Active KVM sessions per individual CIMC
4
4
Concurrent CLI logins per Cisco UCS Manager
32
32
Concurrent GUI logins per Cisco UCS Manager
256
256
Number of LDAP groups per Cisco UCS Manager
28
28
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