How To Configure Traffic Mirroring; Configuring Remote Traffic Mirroring - Cisco NCS 5500 Series Configuration Manual

Configuring Traffic Mirroring
• ERSPAN next-hop must have ARP resolved.
• ERSPAN cannot travel over MPLS.
•
• ERSPAN decapsulation is not supported.
• SPAN-ACL is only supported in the Rx direction, that is, in the ingress direction v4 or v6 ACL.
• MPLS traffic cannot be captured with SPAN-ACL.

How to Configure Traffic Mirroring

These tasks describe how to configure traffic mirroring:

Configuring Remote Traffic Mirroring

SUMMARY STEPS
1. configure
2. monitor-session session-name
3. destination interface tunnel-ip
4. exit
5. interface type number
6. monitor-session session-name ethernet direction rx-onlyport-only
7. end or commit
8. show monitor-session [session-name] status [detail] [error]
DETAILED STEPS
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2 monitor-session session-name
• IOS XR Command for configuring ERPAN is not available.
• Any other traffic or protocol will trigger ARP.
◦ Additional routers may encapsulate in MPLS.
• ACL for any MPLS traffic is not supported.
Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.1.x

How to Configure Traffic Mirroring

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