Activating a SPAN Session
The default is to keep the session state shut. You can open a session that duplicates packets from sources to
destinations.
Procedure
PurposeCommand or Action
Enters global configuration mode.switch# configure terminal
Step 1
Opens the specified SPAN session or all
sessions.
switch(config) # no monitor session {all |
session-number} shut
Step 2
The following example shows how to activate a SPAN session:
switch# configure terminal
switch(config) # no monitor session 3 shut
Suspending a SPAN Session
By default, the session state is shut.
Procedure
PurposeCommand or Action
Enters global configuration mode.switch# configure terminal
Step 1
Suspends the specified SPAN session or all
sessions.
switch(config) # monitor session {all |
session-number} shut
Step 2
The following example shows how to suspend a SPAN session:
switch# configure terminal
switch(config) # monitor session 3 shut
switch(config) #
Configuring a SPAN Filter
You can configure SPAN filters for local and ERSPAN-source sessions only.
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 6.x
149
Configuring SPAN
Activating a SPAN Session