h3c交换机的图如下:
分别对于SWA,SWB,SWC,SWD,SWE
配置如下：
SWA:
vlan 10
vlan 20
vlan 30
region-name h3c
instance 0 vlan 20
instance 1 vlan 10
instance 2 vlan 30
stp instance 0 root secondary
stp instance 1 to 2 root primary
stp global enable
interface GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20
combo enable fiber
interface GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 20 30
interface GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20 30
combo enable fiber
SWB:
vlan 10
vlan 20
vlan 30
region-name h3c
instance 0 vlan 20
instance 1 vlan 10
instance 2 vlan 30
stp instance 0 root primary
stp instance 1 to 2 root secondary
stp global enable
interface GigabitEthernet1/0/4
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20
interface GigabitEthernet1/0/5
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 20 30
interface GigabitEthernet1/0/6
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20 30
swc:
vlan 10
vlan 20
vlan 30
region-name h3c
instance 0 vlan 20
instance 1 vlan 10
instance 2 vlan 30
interface GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20
combo enable fiber
stp instance 1 cost 15
interface GigabitEthernet1/0/4
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20
swd:
vlan 10
vlan 20
vlan 30
region-name h3c
instance 0 vlan 20
instance 1 vlan 10
instance 2 vlan 30
interface GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 20 30
combo enable fiber
stp instance 2 cost 15
interface GigabitEthernet1/0/5
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 20 30
swe:
vlan 10
vlan 20
vlan 30
region-name h3c
instance 0 vlan 20
instance 1 vlan 10
instance 2 vlan 30
interface GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20 30
interface GigabitEthernet1/0/6
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 20 30
combo enable fiber
stp instance 0 cost 15
配置完成后，各个vlan的对于关系为：
