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Switch A config 
hostname    
super password  
# 
radius scheme system 
server-type huawei 
primary authentication 127.0.0.1 1645 
primary accounting 127.0.0.1 1646 
user-name-format without-domain 
domain system 
radius-scheme system 
access-limit disable 
state active 
idle-cut disable 
domain default enable system 
# 
local-server nas-ip 127.0.0.1 key huawei 
# 
vlan 1 
ip address 192.168.100.1 255.0.0.0 
ip route-static (default gateway) 192.168.100.1 
# 
interface Aux0/0 
# 
interface Ethernet0/1 
vlan :1 
# 
interface Ethernet0/2 
vlan :2 
# 
interface Ethernet0/3 
vlan :2 
# 
interface Ethernet0/4 
vlan :2 
# 
interface Ethernet0/5 
vlan :2 
# 
interface Ethernet0/6 
vlan :2 
# 
interface Ethernet0/7 
port link-type trunk 
port trunk permit vlan: all dot1q: yes 
interface Ethernet0/8 
vlan :3 
# 
interface NULL0 
# 
# 
user-interface aux 0 
password  
user-interface vty 0 4 
password 
return 
Swtich B config 
hostname    
super password  
# 
radius scheme system 
server-type huawei 
primary authentication 127.0.0.1 1645 
primary accounting 127.0.0.1 1646 
user-name-format without-domain 
domain system 
radius-scheme system 
access-limit disable 
state active 
idle-cut disable 
domain default enable system 
# 
local-server nas-ip 127.0.0.1 key huawei 
# 
vlan 1 
ip address 192.168.100.2 255.0.0.0 
ip route-static (default gateway) 192.168.100.2 
# 
interface Aux0/0 
# 
interface Ethernet0/1 
port link-type trunk 
port trunk permit vlan: all dot1q: yes 
interface Ethernet0/2 
vlan :3 
# 
interface Ethernet0/3 
vlan :3 
# 
interface Ethernet0/4 
vlan :3 
# 
interface Ethernet0/5 
vlan :3 
# 
interface Ethernet0/6 
vlan :3 
# 
interface Ethernet0/7 
vlan :3 
# 
interface Ethernet0/8 
vlan :3 
# 
interface NULL0 
# 
# 
user-interface aux 0 
password  
user-interface vty 0 4 
password 
return 
PC A config 
eth0      inet addr: 192.168.2.1   mask: 255.0.0.0 
loopback inet addr: 127.0.0.1   mask: 255.0.0.0 
[root@PCA root]# route 
default gateway: 192.168.100.2 
PC B config 
eth0      inet addr: 192.168.1.2   mask: 255.0.0.0 
loopback inet addr: 127.0.0.1   mask: 255.0.0.0 
[root@PCB root]# route 
default gateway: 192.168.100.1 
 
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