Cisco Nexus 5600 Series - Configuring Truncated ERSPAN

PurposeCommand or Action
Updates the configuration and exits ERSPAN source
session configuration mode.
exit
Example:
switch(config-erspan-src)# exit
switch(config)# exit
Step 17
(Optional)
Copies the running configuration to the startup
configuration.
copy running-config startup-config
Example:
switch(config-erspan-src)# copy
running-config startup-config
Step 18
Configuring Truncated ERSPAN
You can configure an MTU size for the ERSPAN traffic to reduce the amount of fabric or network bandwidth
used in sending ERSPAN packets.
Procedure
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if
prompted.
enable
Example:
switch> enable
Step 1
Enters global configuration mode.configure terminal
Example:
switch# configure terminal
switch(config)#
Step 2
Defines an ERSPAN source session using the session ID and
the session type, and places the command in ERSPAN monitor
source session configuration mode.
monitor session
erspan_session_number type
{erspan-source | local}
Step 3
Example:
switch(config)# monitor
The span-session-number argument range is from 1 to 1024.
The same session number cannot be used more than once.
The session IDs for source sessions are in the same global ID
space, so each session ID is globally unique for both session
types.
session 1 type
erspan-source
switch(config-erspan-src)#
The session ID (configured by the span-session number
argument) and the session type (configured by the
erspan-source keyword) cannot be changed once entered. To
change session ID or session type, use the no version of the
command to remove the session and then re-create the session
through the command with a new session ID or a new session
type.
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
206 OL-31641-01
Configuring ERSPAN
Configuring Truncated ERSPAN