[c-nsp] Cisco 2811 performance issue - dual(new) isp

Christopher J. Wargaski wargo1 at gmail.com
Mon Dec 19 22:03:52 EST 2011

According to
the router can handle up to 16.44 Mbps of fast / CEF switching. I was not
able to see your attachments in the digest nor in the archive. Do you have
CEF enabled?


Date: Mon, 19 Dec 2011 10:57:11 -0600
> From: Jmail Clist <jmlist80 at gmail.com>
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Cisco 2811 performance issue - dual(new) isp
> Message-ID:
>        <CAO8NJwLyKmQj8jUJTYg2_82fyxyyQLRuCOraaeH3BG9ONPr8=Q at mail.gmail.com
> >
> Content-Type: text/plain; charset="iso-8859-1"
> Hello,
> I have an issue that is really causing me grief. I recentely inherited a
> small network. There is an existing 1.5mbps Internet connection (fa0/0)
> (includes MPLS as well/same provider). We added a new ISP that allows for
> 50mb down/5mb up. I added the new ISP to fa0/1 and modified the NAT
> overload statements accordingly. I alo changed the default route to ONLY
> use the new, faster ISP connection. Using speedguide.net, I am only able
> to
> get 6 to 10mb down, most of the time. if I plug a laptop into the cable
> modem then I get 37 to 50mb down. Any idea why the 2811 is so slow? How
> much download speed can I expect to get? Any assisstance would be very much
> appreciated.
> I have attached the config and various show outputs (nat, sh ver, memory,
> etc.).
> Thank you,

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