Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-05-20 Thread Rodney Dunn
Drew, Something that was just released that you might be interested in if you haven't already found an alternate solution. http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a0080221544.html It's a new feature in 12.3(8)T. Rodney On Fri, Mar 12, 2004 at

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-25 Thread Nick Feamster
On Sat, Mar 13, 2004 at 04:19:40PM -0800, Will Yardley wrote: On Fri, Mar 12, 2004 at 11:37:25PM -0500, Joe Abley wrote: On 12 Mar 2004, at 23:24, joe mcguckin wrote: I suspect that each FE goes to a different AS... In that case, sample/count outbound traffic volumes by

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-16 Thread Richard J. Sears
Hi Drew - We have 6 backbones distributed across two 7507s and we messed around with a lot of different ways to make this happen. MEDs, Weights, manual BGP configurations every time one of the connections would get overloaded (even at 2am), you name it - we tried it, and in the end we

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-15 Thread Bruce Pinsky
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Joe Abley wrote: | | | On 12 Mar 2004, at 23:24, joe mcguckin wrote: | | Patrick, | | I suspect that each FE goes to a different AS... | | | In that case, sample/count outbound traffic volumes by | (prefix/AS/AS_PATH/something), sort the resulting

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-14 Thread Patrick W . Gilmore
On Mar 13, 2004, at 4:57 PM, Stephen J. Wilcox wrote: He'll be okie. It's just a little difficult for BGP to load balance outbound bits when the bulk of the Internet these days is 2 AS hops away from each of four upstreams. Not impossible, but it doesn't happen by default either. I used to do

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-13 Thread Will Yardley
On Fri, Mar 12, 2004 at 11:37:25PM -0500, Joe Abley wrote: On 12 Mar 2004, at 23:24, joe mcguckin wrote: I suspect that each FE goes to a different AS... In that case, sample/count outbound traffic volumes by (prefix/AS/AS_PATH/something), sort the resulting list, and develop an

Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread Drew Weaver
Does anyone know of an article, or documentation regarding load balancing the traffic on 3 or more FastEthernet interfaces on the outgoing direction? Right now we're running BGP internally, and the routes that are being chosen based upon the final BGP decision step or what I like to call

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread Patrick W . Gilmore
On Mar 12, 2004, at 10:39 PM, Drew Weaver wrote:     Does anyone know of an article, or documentation regarding load balancing the traffic on 3 or more FastEthernet interfaces on the outgoing direction? Right now we're running BGP internally, and the routes that are being chosen based

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread joe mcguckin
Patrick, I suspect that each FE goes to a different AS... On 3/12/04 7:27 PM, Patrick W.Gilmore [EMAIL PROTECTED] wrote: On Mar 12, 2004, at 10:39 PM, Drew Weaver wrote:     Does anyone know of an article, or documentation regarding load balancing the traffic on 3 or more

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread Patrick W . Gilmore
On Mar 12, 2004, at 11:24 PM, joe mcguckin wrote: I suspect that each FE goes to a different AS... Yeppers. We've been corresponding privately, and you got it right (unlike me). He'll be okie. It's just a little difficult for BGP to load balance outbound bits when the bulk of the Internet

Re: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread Joe Abley
On 12 Mar 2004, at 23:24, joe mcguckin wrote: Patrick, I suspect that each FE goes to a different AS... In that case, sample/count outbound traffic volumes by (prefix/AS/AS_PATH/something), sort the resulting list, and develop an import policy based on the top N entries which shares the

RE: Load Balancing Multiple DS3s (outgoing) on a 7500

2004-03-12 Thread Michel Py
Patrick W.Gilmore wrote: It's just a little difficult for BGP to load balance outbound bits when the bulk of the Internet these days is 2 AS hops away from each of four upstreams. Not impossible, but it doesn't happen by default either. Indeed. If the following conditions are met: a) all