[afnog] Cisco 1841 ISR problem

Mark charangwam at iwayafrica.com
Tue Oct 11 07:20:56 UTC 2011


Is the link not flapping? I know Mark Tinka might not agree with this but
have you tried fixing speed and duplex on the outside interface - fa0/0?

Rgds,

Mark.

> -----Original Message-----
> From: Mark Tinka [mailto:mtinka at globaltransit.net]
> Sent: Tuesday, October 11, 2011 7:52 AM
> To: david aliata
> Cc: afnog at afnog.org
> Subject: Re: [afnog] Cisco 1841 ISR problem
> 
> On Tuesday, October 11, 2011 01:43:27 PM david aliata wrote:
> 
> > Hi All,
> >
> > I tried Gwladys suggestions and some developments.I can now go past
> my
> > router to the VSAT modem and no more.Note connecting directly shows
> > link is up and
> >
> > i can browse.Any other suggestions at this point?
> 
> How much memory do you have on this router? You say the box stops
> translating after a while. Is your memory getting exhausted by all the
> translations?
> 
> > ip classless
> > ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
> 
> Don't point to an Ethernet interface. Point to an IP address. This will
> prevent the router from doing ARP look- ups for every possible address
> toward that destination.
> Might save memory.
> 
> > ip http server
> > ip http authentication local
> > ip http secure-server
> > ip http timeout-policy idle 600 life 86400 requests 10000
> 
> Do you need to run an HTTP server on the router? Disable it.
> Could save memory.
> 
> Try the above, reload and try again.
> 
> If you're low on memory, use the smallest IOS release that gives you
> all the features you need.
> 
> Mark.




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