Cisco Nexus 1000V - Page 101

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Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
OL-31593-01
Chapter 7 VSM and VEM Modules
Problems with the VSM
Note Use these vemcmds only as a recovery measure and then update the MTU value in the port
profile configuration for system uplinks or in the interface configuration for nonsystem uplinks.
Step 3 Verify that the domain ID, control VLANs, and packet VLANs are configured correctly on the host.
vemcmd show card
Example:
~ # vemcmd show card
Card UUID type 2: 58f8afd7-e1e3-3c51-85e2-6e6f2819a7b8
Card name: sfish-srvr-1
Switch name: switch
Switch alias: DvsPortset-0
Switch uuid: 56 e0 36 50 91 1c 32 7a-e9 9f 31 59 88 0c 7f 76
Card domain: 1024
Card slot: 4
VEM Control (Control VLAN) MAC: 00:02:3d:14:00:03
VEM Packet (inband/outband) MAC: 00:02:3d:24:00:03
VEM Control Agent (DPA) MAC: 00:02:3d:44:00:03
VEM SPAN MAC: 00:02:3d:34:00:03
Management IP address: 172.23.232.102
Max physical ports: 32
Max virtual ports: 216
Card control VLAN: 3002
Card packet VLAN: 3003
Processors: 4
Processor Cores: 4
Processor Sockets: 2
Physical Memory: 4290351104
Step 4 Verify that the ports of the host added to the DVS are listed and that the ports are correctly configured
as access or trunk on the host.
vemcmd show port
Example:
~ # vemcmd show port
LTL IfIndex Vlan Bndl SG_ID Pinned_SGID Type Admin State CBL Mode Name
8 0 3969 0 2 2 VIRT UP UP 1 Access l20
9 0 3969 0 2 2 VIRT UP UP 1 Access l21
10 0 3002 0 2 2 VIRT UP UP 1 Access l22
11 0 3968 0 2 2 VIRT UP UP 1 Access l23
12 0 3003 0 2 2 VIRT UP UP 1 Access l24
13 0 1 0 2 2 VIRT UP UP 0 Access l25
14 0 3967 0 2 2 VIRT UP UP 1 Access l26
16 1a030100 1 T 0 2 2 PHYS UP UP 1 Trunk vmnic1
The last line of output indicates that vmnic1 should be in Trunk mode, with the CBL value of 1. The
CBL value of the native VLAN does not have to be 1. It will be 0 if it is not allowed, or 1 if it is VLAN
1 and not allowed. This issue is not a problem unless the native VLAN is the Control VLAN.The Admin
state and Port state should be UP.
Step 5 Verify that the vmnic port that is supposed to carry the control VLAN and packet VLAN is present.
vemcmd show bd control_vlan
vemcmd show bd packet_vlan
Example:
~ # vemcmd show bd 3002
BD 3002, vdc 1, vlan 3002, 2 ports
Portlist: