b. Configure the core switch (CORE).
Create the VLANs for CORE to communicate with ACC1, ACC2, and the egress router.
1
<HUAWEI> system-view
[HUAWEI] sysname CORE //Set the switch name to CORE.
[CORE] vlan batch 10 20 100 //Create VLANs in a batch.
Configure downstream interfaces and VLANIF interfaces. Communication between
departments A and B uses VLANIF interfaces. For example, CORE connects to ACC1
through Eth-Trunk 1.
2
[CORE] interface eth-trunk 1
[CORE-Eth-Trunk1] port link-type trunk //Set the interface type to
Trunk for VLAN transparent transmission.
[CORE-Eth-Trunk1] port trunk allow-pass vlan 10 //Configure Eth-Trunk 1 to
transparently transmit the service VLAN on ACC1.
[CORE-Eth-Trunk1] mode lacp //Configure the LACP mode.
[CORE-Eth-Trunk1] quit
[CORE] interface GigabitEthernet 0/0/1 //Add member interfaces to Eth-
Trunk 1.
[CORE-GigabitEthernet0/0/1] Eth-Trunk 1
[CORE-GigabitEthernet0/0/1] quit
[CORE] interface GigabitEthernet 0/0/2
[CORE-GigabitEthernet0/0/2] Eth-Trunk 1
[CORE-GigabitEthernet0/0/2] quit
[CORE] interface Vlanif 10 //Configure a VLANIF interface to
allow department A to communicate with department B through Layer 3.
[CORE-Vlanif10] ip address 10.10.10.1 24
[CORE-Vlanif10] quit
[CORE] interface Vlanif 20 //Configure a VLANIF interface to
allow department B to communicate with department A through Layer 3.
[CORE-Vlanif20] ip address 10.10.20.1 24
[CORE-Vlanif20] quit
Configure upstream interfaces and VLANIF interfaces to allow the campus network to
communicate with the Internet.
3
[CORE] interface GigabitEthernet 0/0/20
[CORE-GigabitEthernet0/0/20] port link-type access //Set the access mode.
[CORE-GigabitEthernet0/0/20] port default vlan 100
[CORE-GigabitEthernet0/0/20] quit
[CORE] interface Vlanif 100 //Configure a VLANIF interface to
allow CORE to communicate with the router at Layer 3.
[CORE-Vlanif100] ip address 10.10.100.1 24
[CORE-Vlanif100] quit
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