Configuring Truncated Erspan - Cisco Nexus 5000 Series Configuration Manual

Configuring Truncated ERSPAN

Step 2
Step 3
Step 4
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
Step 1
Step 2
Step 3
Cisco Nexus 5000 Series NX-OS System Management Configuration Guide, Release 5.2(1)N1(1)
188
Command or Action
monitor erspan origin ip-address ip_address
Example:
switch(config)# monitor erspan origin
ip-address 192.0.2.1
exit
Example:
switch(config-erspan-src)# exit
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
Command or Action
enable
Example:
switch> enable
configure terminal
Example:
switch# configure terminal
switch(config)#
monitor session
erspan_session_number type
{erspan-source | local}
Example:
switch(config)# monitor
session 1 type
erspan-source
switch(config-erspan-src)#
Purpose
Configures an IP address to be used as the source
of the ERSPAN traffic.
Updates the configuration and exits ERSPAN
source session configuration mode.
(Optional)
Saves the change persistently through reboots
and restarts by copying the running
configuration to the startup configuration.
Purpose
Enables privileged EXEC mode. Enter your password if
prompted.
Enters global configuration mode.
Defines an ERSPAN source session using the session ID and
the session type, and places the command in ERSPAN monitor
source session configuration mode.
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.
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
Configuring ERSPAN