I think your probably doing the right thing, the past week I have run into 2 route-cache bugs, fast switching, upgraded and moved along...
Dave Elijah Savage wrote: > > This is exactly what I have done and I have used it before. But for some > reason only the one link was being used. I wanted to see if you all had > any ideas before calling tac. I think what I might do this morning is > flash the router with a different IOS and see if that helps if not then > I will call tac. I might end up leaving it as it is without cef because > without it everything works like a charm. > > , , > /( )` > \ \__ / | > /- _ `-/ ' > (/\/ \ \ /\ > / / | ` \ > O O ) | > `-^--'`From: "Elijah Savage" > >Reply-To: "Elijah Savage" > >To: [EMAIL PROTECTED] > >Subject: 2 T1 load balancing not working [7:32239] > >Date: Wed, 16 Jan 2002 20:42:57 -0500 > > > >All, > > > >I had to setup a 2621 to do load balancing over 2 t1's with ospf. I > know > >ospf does this on a basic simple default setup. So after setting this > up > >everything seemed to be working great but one link was definately being > >used about 80% more than the other. So after doing some reasearch on > cco > >I realized my problem I had ip route-cache turned on under the > interface > >on both serial interfaces. According to > >http://www.cisco.com/warp/public/105/46.html it works alot better by > >turning this off so I did and was getting just about 50/50 load > >balancing accross both t1's. But in my quest of always trying to make > >the network more efficient I saw at the bottom of that page on the link > >above this statement below. > > > >Newer switching schemes such as Cisco Express Forwarding (CEF) > >http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/ > s > >witch_c/xcprt2/xccefc.htm allow you to do per-packet and > per-destination > >load-balancing more quickly. However, it does imply that you have the > >extra resources to deal with maintaining CEF entries and adjacencies. > >Refer to this Application Note > > for more > >information on load-sharing with CEF. > >So I went of the info on that URL to setup ip cef on the router and ip > >load sharing. But after clearing the counters and doing a show > interface > >I could see all traffic going accross only one serial interface. I am > >using IOS 12.1 and I had ip cef turned on globally and on both > >interfaces locally as the doc stated, but only 1 link was being used. > > > >Any ideas why? > > > > > > > > > > > > > > , , > > /( )` > > \ \__ / | > > /- _ `-/ ' > > (/\/ \ \ /\ > > / / | ` \ > > O O ) | > > `-^--'` (_.) _ ) / Powered > > `.___/` / by > > `-----' / OpenBSD > > For Late Breaking Tech News and OpenSource HowTO's > >http://www.digitalrage.org > >-------------------------------------------- > _________________________________________________________________ > Get your FREE download of MSN Explorer at > http://explorer.msn.com/intl.asp. -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=32300&t=32239 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
