Cisco Nexus 5600 Series - Configuring an ERSPAN SPAN-On-Latency Session

Procedure
PurposeCommand or Action
Enters global configuration mode.switch# configure terminal
Step 1
Enters SPAN-on-Drop monitor configuration mode
for the specified SPAN-on-drop session.
switch(config) # monitor session
session-number type
erspan-span-on-drop
Step 2
Creates descriptive name for the SPAN-on-Drop
session.
switch(config-span-on-drop-erspan) #
description description
Step 3
Configures sources and the traffic direction in which
to duplicate packets. You can enter a range of Ethernet
switch(config-span-on-drop-erspan) #
source interface ethernet slot/port rx
Step 4
ports. You can specify the traffic direction to duplicate
as ingress (rx) only.
Configures the destination IP address for the ERSPAN
SPAN-on-Drop session.
switch(config-span-on-drop-erspan) #
destination ip ip-address
Step 5
Configures the ERSPAN ID for the ERSPAN
SPAN-on-Drop session. The range is from 1 to 1023.
switch(config-span-on-drop-erspan) #
erspan-id erspan-id
Step 6
This ID uniquely identifies a source and destination
ERSPAN session pair. The ERSPAN ID configured
in the corresponding destination ERSPAN session must
be same as the one configured in the source session.
Configures the IP time-to-live (TTL) value of the
ERSPAN traffic.
switch(config-span-on-drop-erspan) #
ip ttl ttl-value
Step 7
Configures the differentiated services code point
(DSCP) value of the packets in the ERSPAN traffic.
switch(config-span-on-drop-erspan) #
ip dscp dscp-value
Step 8
(Optional)
Displays the status of ERSPAN SPAN-on-Drop
sessions.
switch(config) # show monitor session
session-number
Step 9
(Optional)
Copies the running configuration to the startup
configuration.
switch(config) # copy running-config
startup-config
Step 10
Configuring an ERSPAN SPAN-on-Latency Session
You can configure an MTU size for the ERSPAN traffic to reduce the amount of fabric or network bandwidth
used in sending ERSPAN packets.
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
210 OL-31641-01
Configuring ERSPAN
Configuring an ERSPAN SPAN-on-Latency Session