Jason, Where are you trying to advertise a default route from? The PER? If so, check out http://www.cisco.com/warp/public/103/eigrp8.html where it discusses using a summary per interface to advertise a default to neighbors. You could stick this on your PER's interfaces towards RtrA and RtrB. If we're talking about BGP, you can have your PER advertise a default with 'neighbor x.x.x.x default-originate' http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr rp_r/bgp_r/1rfbgp1.htm#xtocid46 (wrap there)
Let me know if this is what you meant, or if this works out for you. hth, -Mark -----Original Message----- From: Jason Owens [mailto:[EMAIL PROTECTED]] Sent: Monday, August 12, 2002 12:29 PM To: [EMAIL PROTECTED] Subject: RE: load balance/share [7:50988] Mark, I have looked EIGRP in this regard. My issue seems to be with the default route. If put it in statically there is no failover if one link goes down, and I can't figure out another way to get it in. I have looked at bgp to resolve this as well (both routers need it to peer with the PER anyway), however since the connection between Rtr A and B is IBGP, the EBGP route from the PER takes precedence and there is no load sharing. Turpin, Mark wrote: > > Jason, > Lots! Basically your network looks like this: > > PER > m10/ \m10 > AB > m10 > > Let's say a metric of 10 for each link for example? > A->PER = 10 > A->B->PER = 20 > > Before we get really far into this, have you looked into > EIGRP's capability to load balance across unequal cost paths? > Modifying the variance on your CE routers should do the trick. > http://www.cisco.com/warp/public/103/eigrp1.html > http://www.cisco.com/warp/public/103/eigrp9.html > http://www.cisco.com/warp/public/103/19.html > > One question though when you do this: > I have not tried a HSRP impelmentation like this. > Variance should be local to the router. Please let > me know if Router A changes the way it advertises > its metrics to router B once variance is implemented. > > Thanks, > -Mark > > > -----Original Message----- > From: Jason Owens [mailto:[EMAIL PROTECTED]] > Sent: Friday, August 09, 2002 11:05 AM > To: [EMAIL PROTECTED] > Subject: RE: load balance/share [7:50988] > > > Mark, > Your diagram is correct. I am trying to load balance/share > across the > links to the PER (per-packet preferably). The clients are > behind Rtr A & B > using an HSRP address. So say Rtr A is the active router. I > want to load > balance across both links (half of the traffic needs to > traverse out Rtr A's > ser0 and the other half across the link to Rtr B and then out > it's ser0). If > I use a static and one link goes down, half of my traffic > becomes > blackholed. I was trying to find a way to have a default route > put into a > routing protocol so the routing process would recognize that if > one link was > down that it needed to send all traffic out the remaining link. > Is this > clearer? > > Turpin, Mark wrote: > > > > Jason, > > > > Is this your lab network? > > > > ++++++++++++ > > + PE Rtr + > > ++++++++++++ > > / \ > > / \ > > ++++++++ +++++++++ > > + RtrA +----------+ Rtr B + > > ++++++++ +++++++++ > > \-> Client Networks > > With that diagram, or a revised one, can you clarify > > your question? You mention statics; what routers are > > you trying to advertise statics to, and from what router > > are you wishing to advertise them? > > > > In regards to load balancing, are you asking if you > > can load balance clients to router A and router B? > > Or do you want to load balance the PE router to A&B? > > > > Thanks, > > -Mark > > "The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and delete the material from all computers." Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=51264&t=50988 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
