Span Troubleshooting Commands - Cisco Nexus 1000V Troubleshooting Manual

Chapter 18 SPAN

SPAN Troubleshooting Commands

You can use the commands in this section to troubleshoot problems related to SPAN.
Command
show monitor
show monitor session
module vem module-number execute vemcmd
show span
Additional commands:
•
•
•
•
Example 18-1 show monitor Command
switch# show monitor
Session
-------
17
Example 18-2 show monitor session Command
switch(config)# show monitor session 1
session 1
---------------
type
state
source intf
source VLANs
filter VLANs
destination IP
ERSPAN ID
ERSPAN TTL
ERSPAN IP Prec.
ERSPAN DSCP
ERSPAN MTU
OL-31593-01
Purpose
Displays the status of SPAN sessions.
See
Displays the current state of a SPAN session, the reason it is down, and
the session configuration.
See
Displays the VEM source IP and SPAN configuration.
See
show monitor internal errors
show monitor internal event-history msgs
show monitor internal info global-info
show monitor internal mem-stats
State Reason
----------- ----------------------
down Session admin shut
: erspan-source
: up
:
rx : Eth3/3
tx : Eth3/3
both : Eth3/3
:
rx :
tx :
both :
: filter not specified
: 10.54.54.1
: 999
: 64
: 0
: 0
: 1000
Example 18-1 on page 18-3.
Example 18-2 on page 18-3.
Example 18-3 on page 18-4.
Description
--------------------------------
folio
Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
SPAN Troubleshooting Commands
18-3