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Community Member

1000v VEM Modules not installed

Hi,

I have x2 UCS chassis spilt over 2 sites with x1 vsphere 5 cluster the VSM works on site A and site B doesnt load the VEM. The config is the same on the UCS/Fabric Interconnects/Nexus 5020. The x4 esxi hosts with the issue can still route vm/vmkernal traffic using VSS. I've removed VSM from the hosts and readded them still the same issue any help would be appreciated.

VSM-1# show mod

Mod  Ports  Module-Type                       Model               Status

---  -----  --------------------------------  ------------------  ------------

1    0      Virtual Supervisor Module         Nexus1000V          ha-standby

2    0      Virtual Supervisor Module         Nexus1000V          active *

3    248    Virtual Ethernet Module           NA                  ok

4    248    Virtual Ethernet Module           NA                  ok

5    248    Virtual Ethernet Module           NA                  ok

6    248    Virtual Ethernet Module           NA                  ok

2010 Feb 16 15:30:33 VSM-1 %VMS-5-DVS_HOSTMEMBER_INFO: A host with name=[esx01] and uuid=[8f8d5e5a-8ee5-11e1-0000-00000000000f] is added to the dvs. The host is not found  as a module in the VSM configuration.

# vemcmd show port

  LTL   VSM Port  Admin Link  State  PC-LTL  SGID  Vem Port

   25                UP   UP    F/B*      0        vmnic8

* F/B: Port is BLOCKED on some of the vlans.

Please run "vemcmd show port vlans" to see the details.

~ # vemcmd show port

  LTL   VSM Port  Admin Link  State  PC-LTL  SGID  Vem Port

   25                UP   UP    F/B*      0        vmnic8

Example esxi host

vemcmd show port

* F/B: Port is BLOCKED on some of the vlans.

Please run "vemcmd show port vlans" to see the details.

~ # vemcmd show trunk

Trunk port 6 native_vlan 1 CBL 1

vlan(1) cbl 1, vlan(74) cbl 1, vlan(77) cbl 1, vlan(78) cbl 1, vlan(103) cbl 1, vlan(210) cbl 1, vlan(3968) cbl 1, vlan(3969) cbl 1, vlan(3970) cbl 1, vlan(3971) cbl 1,

Trunk port 16 native_vlan 1 CBL 1

vlan(1) cbl 1, vlan(74) cbl 1, vlan(77) cbl 1, vlan(78) cbl 1, vlan(103) cbl 1, vlan(210) cbl 1, vlan(3968) cbl 1, vlan(3969) cbl 1, vlan(3970) cbl 1, vlan(3971) cbl 1,

Trunk port 25 native_vlan 1 CBL 0

vlan(74) cbl 1, vlan(77) cbl 1, vlan(78) cbl 1, vlan(103) cbl 1, vlan(210) cbl 1,

Everyone's tags (6)
3 REPLIES
Cisco Employee

1000v VEM Modules not installed

Do you have a topology, it's a little confusing.

Do you have a single 1000v DVS, with hosts split across two sites?

Robert

Community Member

Re: 1000v VEM Modules not installed

Yes its a single 1000v DVS with all hosts split acrross two sites

Cisco Employee

Re: 1000v VEM Modules not installed

Few things to check/consider:

The VSM HA pair must be located in the same site as their storage and the active vCenter Server.

Layer 3 control mode is preferred.

If you are using Link Aggregation Control Protocol (LACP) on the VEM, use LACP offload.

A maximum latency of 5 ms is supported for VSM-VEM control traffic.

The main one to verify is latency.   What DCI technology are you using?

Robert

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