The following is the setup of the router: version 12.0 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname gynf ! enable secret 5 $1$CN7J$l5w2M8V5ky7Ckj3bMirs75 enable password ******** ! memory-size iomem 25 ip subnet-zero ! ! ! ! interface Serial0 no ip address no ip directed-broadcast encapsulation x25 no ip route-cache x25 address 460333885017 x25 htc 16 x25 idle 1 ! interface Serial0.1 multipoint ip address 188.246.0.37 255.255.0.0 no ip directed-broadcast no ip route-cache x25 map ip 188.246.0.1 460333881103 broadcast x25 map ip 188.246.0.6 460333885106 broadcast ! interface Serial0.2 multipoint ip address 137.254.7.23 255.255.0.0 no ip directed-broadcast no ip route-cache x25 map ip 137.254.100.41 460333880136 broadcast ! interface Serial1 shutdown ! interface FastEthernetip address 137.2.72.5 255.255.255.0 no ip directed-broadcast no ip route-cache ! router rip network 137.2.0.0 network 137.254.0.0 network 188.246.0.0 ! ip classless ip route 137.2.7.0 255.255.255.0 137.254.100.41 ip route 188.211.0.0 255.255.0.0 188.246.0.1 ip route 188.205.0.0 255.255.0.0 188.246.0.6 no ip http server ! snmp-server engineID local 00000009020000B0C288359A snmp-server community public RO ! line con 0 transport input none line aux 0 line vty 0 4 password * login ************************************************************ I can ping the ip address of the router'sethernet from both the router and the pc in the local network,the light of the MODEM is normal and correct. and i can telnet the router from any pc in the local network,but can't ping the serial0.1&0.2's address from router(i can ping the s0.1&s0.2's address from the pc in the local network but i can't ping the remote networks from the pcs).i run "show int" and found f0,s0.1,s0.2,s0 and their line protocols are all up.but why i can't ping the remote networks?i also run the command "TRACE",to trace the remote networks' ip addresses,the result is only the ethernet's address,others are all "***",the ISP told me my X121's address was rightŁ¬another hand,the remote routers' type are cisco 4500 and 2501,and the type of encapsulation are all cisco,so the type of encap also is right.who can tell me the reason?thanks a lot! ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
