Is the IP network between routerA and routerB being routed in the Internet?
Remember, when you PING, the ICMP packets use the outgoing inerface as the
source IP address. Therefore when you PING from routerA your ISP would need
to have a route to that IP network for the packets to find their way back.
Arya
>From: Filomena <[EMAIL PROTECTED]>
>Reply-To: Filomena <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Please help with the routing problem
>Date: Sat, 19 Aug 2000 16:07:06 -0700 (PDT)
>
>Hi, everyone, I would appreciate if you could help me.
>
>Here is the network setup:
>
>
>-->E0-RouterA-S0<-->S0-RouterB-E0<-->Firewall<-->E0-RouterC-S0<--->Internet
>
>The problem is that RouterA cannot access Internet.
>RouterB is configured with default route pointing to
>the firewall's LAN interface, and it can get to the
>Internet just fine. RouterA has default route pointing
>to S0 on RouterB. RouterA can ping hosts on RouterB's
>Ethernet subnet, but cannot ping Internet hosts. When
>I try to trace Internet host from it, the trace stops
>at the S0 interface on RouterB. The routing between A
>and B is EIGRP, and it is working, because routers can
>reach each other's Ethernet subnets. Firewall has all
>the ports open.
>
>It seems to me that when packets addressed to Internet
>from RouterA reach RouterB, RouterB does not know what
>to do with them. How can I fix this?
>
>Thank you.
>
>
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