Cisco Nexus 7000 Series Configuration Manual page 379

Configuring ERSPAN
Step 17
Step 18
Step 19
Step 20
Step 21
Step 22
Step 23
Step 24
Step 25
Step 26
Step 27
Command or Action
Repeat Step 16 to configure all
ERSPAN sources.
switch(config-erspan-src)#
destination ip ip-address
switch(config-erspan-src)#
erspan-id erspan-id
switch(config-erspan-src)# vrf
vrf-name
switch(config-erspan-src)# ip ttl
ttl-number
switch(config-erspan-src)#ip dscp
dscp-number
switch(config-erspan-src)# no
shut
switch(config-erspan-src)# exit
switch(config)# exit
switch# show monitor session
{all | session-number | range
session-range} [brief]
switch# copy running-config
startup-config
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide
Purpose
up to 128 interfaces. The VLAN range is from 1 to 3967. The
VLAN range of 4048 to 4093 is also supported for Cisco NX-OS
releases prior to 6.1.
You can specify the traffic direction to copy as ingress (rx),
egress (tx) , or both. By default, the direction is both.
For a unidirectional session, the direction of the source must
match the direction specified in the session.
(Optional)
—
Configures the destination IP address in the ERSPAN session.
Only one destination IP address is supported per ERSPAN
source session.
The Cisco Nexus 2000 Series Fabric Extender
Note
interfaces and the fabric port channels connected to the
FEX cannot be configured as ERSPAN destinations.
Configures the ERSPAN ID for the ERSPAN session. The
ERSPAN range is from 1 to 1023.
Configures the VRF instance that the ERSPAN source session
uses for traffic forwarding. The VRF name can be any
case-sensitive, alphanumeric string up to 32 characters.
(Optional)
Configures the IP time-to-live (TTL) value for the ERSPAN
traffic. The range is from 1 to 255.
(Optional)
Configures the differentiated services code point (DSCP) value
of the packets in the ERSPAN traffic. The range is from 0 to
63.
Enables the ERSPAN session. By default, the session is created
in the shut state.
Exits monitor configuration mode.
Exits global configuration mode.
(Optional)
Displays the status of ERSPAN sessions, including the
configuration status of the multicast best effort mode and the
modules on which the best effort mode is and is not supported.
(Optional)
Copies the running configuration to the startup configuration.
Configuring Rule-Based ERSPAN
351