>You can originate a 0.0.0.0 route from each of the ISP connected routers. >Ideally, then each router on your internal network that receives both >0.0.0.0 routes from both originating routers will route traffic to the >internet based on the the 0.0.0.0 route with the best metric.
You're on the right track. But what characteristics must the default routes have to assure a degree of load sharing? (I'm thinking of something specific to OSPF) What is their effect on load balancing from the provider to you? > >I'm not sure about OSPF, but where I work we have 2 connections to the >internet at difference POPs, and this is the method we use. Seems to give >some load balancing, however, based on the number of users at each site.... >i.e. we have twice as many users at one site (which chooses it's closest >internet connection for exit to the net) as we do at the other, so we really >get a lopsided load balance, but it's what we expect. We are soon going to >be implementing BGP on the 2 routers that connect to the internet so what we >can have inbound redunancy from the internet, but we'll still leave the >lopsided load balancing in place as to really load balance across our >internet connections would each bandwidth on our OC-12, which we don't >want.... > >Mike W. >----- Original Message ----- >From: "Howard C. Berkowitz" >Newsgroups: groupstudy.cisco >Sent: Saturday, April 20, 2002 2:51 PM >Subject: (correction) Method and Process Scenario 5: OSPF Multihoming >[7:42092] > > >> Your enterprise runs OSPF internally and only takes default from one >> ISP, but at multiple POPs. What would this suggest you could do to >> achieve a degree of load-sharing among the POPs? >> >> Assume you do not run BGP. What can you do and what are its limitations? >> >> Don't focus on the configuration commands as what mechanisms will be >required. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42139&t=42139 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
