Configuring An Erspan Destination Session - Cisco Nexus 5600 Series Configuration Manual

Configuring ERSPAN
Step 4
Step 5
Step 6

Configuring an ERSPAN Destination Session

You can configure an ERSPAN destination session to copy packets from a source IP address to destination
ports on the local device. By default, ERSPAN destination sessions are created in the shut state.
Before You Begin
Ensure that you have already configured the destination ports in monitor mode.
Procedure
Step 1
Step 2
Step 3
OL-31641-01
Command or Action
mtu mtu-value
Example:
switch(config-erspan-src)# mtu
64
exit
Example:
switch(config-mon-erspan-src)#
exit
copy running-config
startup-config
Example:
switch(config)# copy
running-config startup-config
Command or Action
config t
Example:
switch# config t
switch(config)#
interface ethernet slot/port[-port]
Example:
switch(config)# interface ethernet
2/5
switch(config-if)#
switchport
Example:
switch(config-if)# switchport
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
Configuring an ERSPAN Destination Session
Purpose
Defines the maximum transmission unit (MTU) truncation
size for ERSPAN packets. Valid values are from 64 to 1518.
The default is no truncation enabled.
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
Enters global configuration mode.
Enters interface configuration mode on the selected
slot and port or range of ports.
Configures switchport parameters for the selected
slot and port or range of ports.
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