请各位大神专家们帮帮分析一下，谢谢interface FastEthernet0/1ip address 178.2.253.106 255.255.255.252duplex autospeed auto!interface Serial0/0/1:0ip address 178.2.252.6 255.255.255.252encapsulation ppp track 12 ip route 178.2.253.105 255.255.255.252 reachabilitydelay d...
