466 Port Mirroring Commands
Port Mirroring Commands
Port mirroring, which is also known as port monitoring, selects network traffic
that you can analyze with a network analyzer, such as a SwitchProbe device or
other Remote Monitoring (RMON) probe.
monitor session This command configures a probe port and a monitored port for monitor session
(port monitoring). Use the
source interface
slot/port parameter to specify the
interface to monitor. Use
rx to monitor only ingress packets, or use tx to monitor
only egress packets. If you do not specify an
{rx | tx}
option, the destination
port monitors both ingress and egress packets.
A VLAN can be configured as the source to a session (all member ports of that
VLAN are monitored). Remote port mirroring is configured by adding the
RSPAN VLAN ID. At the source switch, the destination is configured as the
RSPAN VLAN and at the destination switch, the source is configured as the
RSPAN VLAN.
The source and destination cannot be configured as remote on the same device.
The
reflector-port
is configured at the source switch. The
reflector-port
forwards the mirrored traffic towards the destination switch.
This port must be configured with RSPAN VLAN membership.
IP/MAC ACL can be attached to a session by giving the access list number/name.
Use the
destination interface
slot/port to specify the interface to receive the
monitored traffic.
Use the
mode parameter to enable the administrative mode of the session. If
enabled, the probe port monitors all the traffic received and transmitted on the
physical monitored port.
Use the filter parameter to filter a specified access group either by IP address or
MAC address.
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