Configuring Exception Erspan - Cisco Nexus 7000 Series Configuration Manual

Configuring Exception ERSPAN

Configuring Exception ERSPAN
You can configure the device to span exception packets.
Before You Begin
Ensure that you are in the correct VDC (or use the switchto vdc command).
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide
352
Command or Action
switch# configure terminal
switch(config)# monitor session
session-number type
erspan-source [rx | tx] [shut]
switch(config-erspan-src)# mode
extended
switch(config-erspan-src)#
source exception {layer3 |
fabricpath | other | all}
switch(config-erspan-src)#
destination ip ip-address
Purpose
Enters global configuration mode.
Enters the monitor configuration mode and specifies the
ERSPAN session. The exception ERSPAN is supported in the
egress direction only. In the case of an extended ERSPAN Rx
session, the exception source configuration will be rejected.
The optional keywords are as follows:
• rx—Specifies an ingress extended ERSPAN source
session.
• tx—Specifies an egress extended ERSPAN source session.
• shut—Specifies a shut state for the selected session.
(Optional)
Configures the ERSPAN session as an extended bidirectional
session.
Configures the source as an exception ERSPAN session. These
exception types are supported:
• layer3—Specifies the Layer 3 exception type for F2
Series and M Series modules.
• fabricpath—Specifies the FabricPath exception type for
F Series modules.
• other—Specifies exceptions for M Series modules that
are dropped through redirect registers programmed with
a drop destination interface.
• all—Includes all Layer 3, FabricPath, and other
exceptions.
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.
Configuring ERSPAN