交换机SPAN技术简介 Cisco配置示例

五、Catalyst 4000/4500系列交换机的SPAN配置

Configuring SPAN

命令如下：

set span {src_mod/src_ports | src_vlan | sc0} dest_mod/dest_port [rx | tx | both] [inpkts {enable | disable}] [learning {enable | disable}] [multicast {enable | disable}] [create]

set span中的create参数用于创建多个SPAN Session.

show span

set span disable [dest_mod/dest_port | all]

举例：

This example shows how to configure SPAN so that both the transmit and receive traffic from port 2/4 (the SPAN source) is mirrored on port 3/6 (the SPAN destination): Console> (enable) set span 2/4 3/6 // Overwrote Port 3/6 to monitor transmit/receive traffic of Port 2/4 Incoming Packets disabled. Learning enabled. Console> (enable) show span Destination : Port 3/6 Admin Source : Port 2/4 Oper Source : None Direction : transmit/receive Incoming Packets: disabled Learning : enabled Filter : - Status : active ---------------------------------------------- Total local span sessions: 1 Console> (enable) This example shows how to set VLAN 522 as the SPAN source and port 2/1 as the SPAN destination: Console> (enable) set span 522 2/1 // Overwrote Port 2/1 to monitor transmit/receive traffic of VLAN 522 Incoming Packets disabled. Learning enabled. Console> (enable) show span Destination : Port 2/1 Admin Source : VLAN 522 Oper Source : Port 2/1-2 Direction : transmit/receive Incoming Packets: disabled Learning : enabled Filter : - Status : active ---------------------------------------------- Total local span sessions: 1 Console> (enable) Configuring RSPAN 命令如下： set vlan vlan_num [rspan] show vlan set rspan source {mod/ports... | vlans...} {rspan_vlan} reflector mod/port [rx | tx | both] [filter vlans...] [create] set rspan destination {mod_num/port_num} {rspan_vlan} [inpkts {enable | disable}] [learning {enable | disable}] [create] show rspan set rspan disable source [rspan_vlan | all] set rspan disable destination [mod_num/port_num | all] --------------END-------------------------