s5703交换机突然有一个vlan连不上网，其他vlan可以正常上网，能ping通其他vlan。

                          核心交换机上的10.16.72这个网段的 都上不去网了，其他网段可以上网，72网段的还能ping通其他网段。

<1LouZhuJiFang>dis cu # version 5.20, Release 6605P03 # sysname 1LouZhuJiFang # domain default enable system # telnet server enable # mirroring-group 1 local # switch-mode standard # vlan 1 description MGT # vlan 72 name 1LouZhongXinJF # vlan 73 name 1LouDongJF # vlan 74 name 1LouXiJF # vlan 75 name 2LouJF # vlan 76 name 4LouJF # vlan 77 name Only_Internet # vlan 78 name 2LouJianKongJFG # domain system access-limit disable state active idle-cut disable self-service-url disable # user-group system # local-user admin password simple admin authorization-attribute level 3 service-type telnet # interface NULL0 # interface Vlan-interface1 ip address 10.16.71.1 255.255.255.0 # interface Vlan-interface72 ip address 10.16.72.1 255.255.255.0 # interface Vlan-interface73 ip address 10.16.73.1 255.255.255.0 # interface Vlan-interface74 ip address 10.16.74.1 255.255.255.0 # interface Vlan-interface75 ip address 10.16.75.1 255.255.255.0 # interface Vlan-interface76 ip address 10.16.76.1 255.255.255.0 # interface Vlan-interface77 ip address 10.16.77.1 255.255.255.0 # interface Vlan-interface78 ip address 10.16.78.1 255.255.255.0 # interface GigabitEthernet2/0/1 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/2 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/3 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/4 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/5 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/6 port link-type trunk port trunk permit vlan all # interface GigabitEthernet2/0/7 port link-type trunk port trunk permit vlan all mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/8 port link-type trunk port trunk permit vlan all # interface GigabitEthernet2/0/9 # interface GigabitEthernet2/0/10 # interface GigabitEthernet2/0/11 mirroring-group 1 mirroring-port both # interface GigabitEthernet2/0/12 # interface GigabitEthernet2/0/13 # interface GigabitEthernet2/0/14 # interface GigabitEthernet2/0/15 # interface GigabitEthernet2/0/16 # interface GigabitEthernet2/0/17 # interface GigabitEthernet2/0/18 # interface GigabitEthernet2/0/19 # interface GigabitEthernet2/0/20 # interface GigabitEthernet2/0/21 # interface GigabitEthernet2/0/22 # interface GigabitEthernet2/0/23 # interface GigabitEthernet2/0/24 # interface GigabitEthernet3/0/1 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/2 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/3 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/4 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/5 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/6 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/7 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/8 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/9 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/10 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/11 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/12 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/13 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/14 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/15 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/16 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/17 mirroring-group 1 monitor-port # interface GigabitEthernet3/0/18 port access vlan 72 # interface GigabitEthernet3/0/19 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/20 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/21 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/22 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/23 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/24 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/25 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/26 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/27 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/28 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/29 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/30 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/31 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/32 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/33 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/34 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/35 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/36 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/37 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/38 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/39 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/40 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/41 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/42 port access vlan 72 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/43 port access vlan 75 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/44 port access vlan 75 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/45 port access vlan 75 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/46 port access vlan 75 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/47 port access vlan 75 mirroring-group 1 mirroring-port both # interface GigabitEthernet3/0/48 port access vlan 75 mirroring-group 1 mirroring-port both # interface M-Ethernet0/0/0 # ip route-static 0.0.0.0 0.0.0.0 10.16.71.2 ip route-static 10.16.79.0 255.255.255.0 10.16.72.5 # snmp-agent snmp-agent local-engineid 800063A2033CE5A6D0DE95 snmp-agent community read adminread snmp-agent community write adminwrite snmp-agent sys-info version all # load xml-configuration # user-interface aux 0 user-interface vty 0 4 authentication-mode scheme # return