QTECH QSW-3400 Инструкция по настройке - Manual (Page 431)

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Switch(config)#vlan 5
Switch(Config-Vlan5)#remote-span
Switch(Config-Vlan5)#exit
Switch(config)#interface ethernet 1/6-7
Switch(Config-If-Port-Range)#switchport mode trunk
Switch(Config-If-Port-Range)#exit
Destination switch:
Interface ethernet1/9 is the source port which is connected to the source switch.
Interface ethernet1/10 is the destination port which is connected to the monitor. This port is
required to be configured as an access port, and belong to the RSPAN VLAN.
RSPAN VLAN is 5.
Switch(config)#vlan 5
Switch(Config-Vlan5)#remote-span
Switch(Config-Vlan5)#exit
Switch(config)#interface ethernet 1/9
Switch(Config-If-Ethernet1/9)#switchport mode trunk
Switch(Config-If-Ethernet1/9)#exit
Switch(config)#interface ethernet 1/10
Switch(Config-If-Ethernet1/10)#switchport access vlan 5
Switch(Config-If-Ethernet1/10)#exit
58.4 RSPAN Troubleshooting
Due to the following reasons, RSPAN may not function:

Whether the destination mirror port is a member of the Port-channel group. If so,
please change the Port-channel group configuration;

The throughput the destination port is less than the total throughput of the source
mirror ports. If so, the destination cannot catch all the datagrams from every source
ports. To solve the problem, please reduce the number of the source ports, or mirror
only single direction data flow, or choose some other port with higher capacity as the
destination port.

Between the source switch and the intermediate switch, whether the native VLAN of
the TRUNK ports is configured as RSPAN VLAN. If so, please change the native VLAN
for the TRUNK ports.