25-15
Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
OL-31593-01
Chapter 25 VXLANs
VXLAN Troubleshooting Commands
BD 31, vdc 1, segment id 5555, segment group IP 235.5.5.5, swbd 4098, 1 ports,
"vxlan-home"
Portlist:
50 RedHat_VM1.eth0
~ #
To verify remote IP learning:
~ # vemcmd show l2 bd-name vxlan-home
Bridge domain 31 brtmax 4096, brtcnt 2, timeout 300
Segment ID 5555, swbd 4098, "vxlan-home"
Flags: P - PVLAN S - Secure D - Drop
Type MAC Address LTL timeout Flags PVLAN Remote IP
Dynamic 00:50:56:ad:71:4e 305 2 10.3.3.100
Static 00:50:56:85:01:5b 50 0 0.0.0.0
~ #
To display statistics:
~ # vemcmd show vxlan-stats
LTL Ucast Mcast Ucast Mcast Total
Encaps Encaps Decaps Decaps Drops
49 5 14265 4 15 0
50 6 14261 4 15 213
51 1 15 0 0 10
52 0 11 0 0 15
~ #
To display detailed per-port statistics for a VXLAN vEthernet/VTEP:
~ # vemcmd show vxlan-stats ltl 51
To display detailed per-port-per-bridge domain statistics for a VXLAN VTEP for all bridge domains:
~ # vemcmd show vxlan-stats ltl <vxlan_VTEP_ltl> bd-all
To display detailed per-port-per-bridge domain statistics for a VXLAN VTEP for a specified bridge
domain:
~ # vemcmd show vxlan-stats ltl vxlan_VTEP_ltl bd-name bd-name
To verify the bridge-domain configuration on the VEM:
switch# vemcmd show bd bd-name segment-cisco
Note - Use the module command to check the details of VEM and gateway on the VSM.
BD 26, vdc 1, segment id 9001, segment group IP 0.0.0.0, swbd 4102, 2 ports,
"segment-cisco"
Segment Mode: Unicast
Note: If MAC distribution is enabled, the above command will displays Segment moode as
Unicast MAC distribution
VTEP DSN: 1 , MAC DSN: 1
Note: You can check the VTEP and MAC download sequence numbers using the vemcmd show
vxlan-VTEPs and vemcmd show l2 bd bd-name commands.
Portlist:
53 RedHat_VM1_112.eth4
54 RedHat_VM1_112.eth5
~ #
To display the MAC address table that shows the MAC addresses delivered by the VSM:
switch# vemcmd show l2 bd-name segment-cisco
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