Ahh- this is a very hard thing to imagine. You are not not able to Ping the
3600 interface because you're not able to get the correct response from the
1600. Ping the 1600 from inside the 1600, then Ping the 3600 from the 1600.
Your times will be higher with when Ping-ing the very router you are in.
The return information comes from the opposing router. I would begin to
investigate the 1600 as more the culprit, than the 3600. Of course this
could be an IOS thing too. In production, your setup would almost never
occur. Say with Frame Relay, these routers would be mapped in the Telco
switch, in order to return a Ping on their own interface.
Confused yet :-)
Phil
----- Original Message -----
From: "hao vu" <[EMAIL PROTECTED]>
To: "'David Sanderson'" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Tuesday, January 09, 2001 11:25 PM
Subject: RE: PING TROUBLE
> You might want to turn on debug then do the ping again.
>
> HTH
>
> HV
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> David Sanderson
> Sent: Tuesday, January 09, 2001 4:12 PM
> To: '[EMAIL PROTECTED]'
> Subject: PING TROUBLE
>
>
> I have two routers, 3640 and 1602 both with T1 WIC's w/built in DSU/CSU.
> They are connected back to back. The 3640 int s1/1 ip address is
> 12.10.2.97/29 and the 1602 is 12.10.2.98/29. I can ping from the 1602
both
> 12.10.2.97 and 12.10.2.98 and from the 3600 I can ping the 1602 -
> 12.10.2.98. But why can't I ping the 3640 interface from the 3640
> (telnetted onto it)? I can't ping 12.10.2.97 from the 3640. I don't see
> any redirect or no icmp type configs to stop the ping. Any ideas? Thanks
>
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