CHAPTER 10. Layer-2 Switching
Configuring Router 1
Router#configure terminal
Router/configure# lacp system-priority 20000
Router/configure# interface ethernet 1/1
Router/configure/interface/ethernet(1/1)# channel-group 10
mode active
Router/configure/interface/ethernet(1/1)# exit
Router/configure# interface ethernet 2/1
Router/configure/interface/ethernet(2/1)# channel-group 10
mode active
Router/configure/interface/ethernet(2/1)# exit
Router/configure# interface ethernet 3/1
Router/configure/interface/ethernet(3/1)# channel-group 10
mode active
Router/configure/interface/ethernet(3/1)# exit
Configuring Router 2
Router# configure terminal
Router/configure# lacp system-priority 20000
Router/configure# interface ethernet 2/1
Router/configure/interface/ethernet(2/1)# channel-group 10
mode active
Router/configure/interface/ethernet(2/1)# exit
Router/configure# interface ethernet 3/1
Router/configure/interface/ethernet(3/1)# channel-group 10
mode active
Router/configure/interface/ethernet(3/1)# exit
Router/configure# interface ethernet 3/2
Router/configure/interface/ethernet(3/2)# channel-group 10
mode active
Router/configure/interface/ethernet(3/2)# exit
GVRP Configuration
GVRP(GARP VLAN Registration Protocol) allows routers to exchange
VLAN information in a network. If one router is manually configured with
multiple VLANs, other routers in the network learn about these VLANs
dynamically through GVRP. To configure GVRP, you must enable GVRP on
ports on each end of the trunk. Add a VLAN bridge(2) and enable spanning
tree protocol on this bridge and specify the VLAN as active. This active state
allows forwarding of frames on this VLAN. Set GVRP globally for this bridge.
Associate interfaces with this bridge and specify switching characteristics as
required.
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