Do network topology, as shown in figure are configured, but internal lsw2 switches can't exchange, pc3pc4 use DHCP allocation, have only themselves to ping the corresponding segment of the gateway, ping impassability.two survivors/0/19, switches is zte 8905 e
Configure the following
Interface gei -.two survivors/0/18
$
Interface gei -.two survivors/0/19
No shutdown
$
Interface gei -.two survivors/0/20
No shutdown
$
Interface gei -.two survivors/0/21
No shutdown
$
Interface gei -.two survivors/0/22
No shutdown
Interface vlan72
IP address 172.16.6.158 255.255.255.224
$
Interface vlan73
IP address 172.16.6.190 255.255.255.224
$
Interface vlan75
IP address 172.16.6.201 255.255.255.252
$
Interface gei -.two survivors/0/19
Switchport access vlan 75
Switchport qinq tpid external 0 x8100
$
Interface gei -.two survivors/0/20
Switchport access vlan 72
Switchport qinq tpid external 0 x8100
$
Interface gei -.two survivors/0/21
Switchport access vlan 73
Switchport qinq tpid external 0 x8100
!
IP pool pc3
The range 172.16.6.129 172.16.6.157 255.255.255.224
$
IP pool pc4
The range 172.16.6.161 172.16.6.189 255.255.255.224
!
IP DHCP pool dhcppc3
IP - pool pc3
The default - the router 172.16.6.158
The DNS server - 3.3.3.3
The DNS server - 4.4.4.4
$
IP DHCP pool dhcpwy
IP - pool wy
The default - the router 172.16.1.62
$
IP DHCP pool dhcppc4
IP - pool pc4
The default - the router 172.16.6.190
The DNS server - 3.3.3.3
The DNS server - 4.4.4.4
There is no need to worry about some other information others do
To solve the