How to configure remote interface mirroring on AR series routers

Remote interface mirroring is only supported in V200R005C32 and earlier versions.

By configuring remote interface mirroring, you can replicate the packets transmitted through the interface to remote monitoring devices for analysis and surveillance.

Before configuring remote interface mirroring, ensure that the routing protocol and GRE tunnels are configured.

1. Configure the remote observing server.
Procedure
Run the system-view command to enter the system view.
Run the observe-server destination-ip destination-ip-address source-ip source-ip-address [ dscp dscp-value ] command to configure the observing server in remote interface mirroring.
Note:
The destination-ip-address parameter indicates the IP address of the monitoring device. The source-ip-address parameter indicates the IP address of the mirroring interface.

If the IP addresses of the monitoring device and the mirroring interface are private IP addresses, GRE tunnels must be configured first to ensure the interworking between private IP addresses on public networks.

2. Configure the remote mirroring interface.
Background
A mirroring interface can be an IP-Trunk interface, an Ethernet interface, or an Eth-Trunk interface.
- If an Eth-trunk interface is configured as a mirroring interface, a member interface of the Eth-trunk interface cannot be configured as a mirroring interface separately. If you want to configure a member interface of the Eth-trunk as a mirroring interface, you must unbind the member interface from the Eth-trunk interface.
- If a member interface of an Eth-trunk is configured as a mirroring interface, the Eth-trunk interface cannot be configured as a mirroring interface. If you want to configure the Eth-trunk interface as a mirroring interface, you must unbind the member interface that is configured as the mirroring interface from the Eth-trunk interface.
Procedure
Run the system-view command to enter the system view.
Run the interface interface-type interface-number command to enter the interface view.
Run the mirror to observe-server{ both | inbound | outbound } command to configure the remote mirroring interface.

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