大神看下，为什么不能上网？

# version 5.20, Release 5116P17 # sysname H3C # undo voice vlan mac-address 00e0-bb00-0000 # domain default enable system # vlan 1 # vlan 10 # vlan 20 # domain system access-limit disable state active idle-cut disable self-service-url disable # pki domain default crl check disable # user-group system # local-user admin password cipher .]@USE=B,53Q=^Q`MAF4<1!! authorization-attribute level 3 service-type telnet # interface NULL0 # interface Vlan-interface10 ip address 172.16.11.252 255.255.255.0 # interface Vlan-interface20 ip address 172.16.3.1 255.255.255.0 # interface GigabitEthernet0/0 port link-mode route ip address 192.168.0.1 255.255.255.0 # interface GigabitEthernet0/3 port link-mode route # interface GigabitEthernet0/4 port link-mode route # interface GigabitEthernet0/1 port link-mode bridge port link-type hybrid undo port hybrid vlan 1 port hybrid vlan 10 tagged port hybrid pvid vlan 10 # interface GigabitEthernet0/2 port link-mode bridge port access vlan 20 speed 1000 duplex full # ip route-static 0.0.0.0 0.0.0.0 Vlan-interface10 172.16.11.254 preference 1 # dhcp enable # load xml-configuration # load tr069-configuration # user-interface con 0 user-interface vty 0 4 authentication-mode scheme # return

我们学校交换机vlan ip172.16.11.1-253 掩码255.255.255.0 网关172.16.11.254