IMHO, it's best to offer three options to the customer, full routes, partial routes, or a default route only. That is, say "Here are three possible configurations, which one do you want?"
On Tuesday 23 September 2008 09:13:25 Paul Stewart wrote: > Thank you ... so really the best solution for us to offer is what we > already do - full table. > > Also, since we support a full list of communities the customer has complete > control over when/where they get advertised. Or a simple approach for the > customers would be heavy prepending and low local-pref (which would keep > the traffic down but not zero due to our peering etc). > > Thanks very much, > > Paul > > > -----Original Message----- > From: Stephen Kratzer [mailto:[EMAIL PROTECTED] > Sent: September 23, 2008 9:00 AM > To: [email protected] > Cc: Paul Stewart > Subject: Re: [c-nsp] Conditional BGP > > On Tuesday 23 September 2008 08:37:56 Paul Stewart wrote: > > Hi folks.. > > > > > > > > We have a couple of customers that are looking to purchase an Internet > > connection from us - this will be a BGP feed to each customer as they are > > multihomed today etc. > > > > > > > > Normally, we would just supply a full table and let them decide what to > > do with it. In this scenario, they both wish to use us as a backup > > provider and wish to ONLY use our network if their primary provider > > (Cogent) is down. > > > > > > > > What is common practice for this scenario? We would still prefer to just > > send a full table and put the control into their hands but I'm also > > concerned if they will have the technical expertise to accomplish this.. > > On their side, what would be common practice? I've been looking at > > conditional BGP advertisements using route-maps but don't believe that's > > the best solution.. > > > > > > > > Thanks for your input. > > > > > > > > Paul > > Paul, > > Most providers offer three options: full routes, partial (customer) routes, > and default route only. Allowing the customer to select from these options > allows them to choose the option that they can best support. To implement > these options, you can create as-path access list and prefix list templates > and apply them outbound as needed. > > Stephen Kratzer > Network Engineer > CTI Networks, Inc. _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
