[c-nsp] Router will not connect to some machines in the subnet

Jack Parks jackwparks at gmail.com
Fri Sep 23 14:25:14 EDT 2005


Sounds like a subnet mask problem. Check to make sure every host on the /23
has a 255.255.254.0 <http://255.255.254.0> mask. Check the gateway's mask
and make sure it is consistant with the 2621XM first. Then work out from
there.

Jack

On 9/23/05, Mikisa Richard <rmikisa at bushnet.net> wrote:
>
> Hi all
>
> I have a cisco 2621XM that's been working perfectly well for over two
> years. Lately, I realised I couldnot access the internet from behind it.
> Further test proved that from it, I cannot connect to the default
> gateway. Strangely, I can access some machines in the same /23 subnet as
> the gateway while i cannot access others. I have successful pings to
> 2.3, 2.5, 2.8 while I fail with 2.7, 2.10 and others. I can however ping
> the router from all these other machines. Any ideas
>
> Cheers
> Richard
>
>
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