We use on our live network static binding between IGP routes tag (static routes) and BGP community using route-maps, and it works fine. I never heard about an automatic mechanism that convert IGP route tag to BGP community ...
""bergenpeak"" a icrit dans le message de news: [EMAIL PROTECTED] > Is it possible to take tag values carried in OSPF external route > advertisements and automatically map them into the community > attribute of the respective BGP advertisement? > > Consider a router running both OSPF and BGP. In the BGP config, > there's a redistribute from OSPF into BGP. Assume that only > OSPF external routes, and hence those with tag values, are being > redistributed into BGP. > > Assume that these external routes have different tag values. > > Is there a way to automatically get each respective OSPF tag value > into the community value of the respective BGP route advertisement? > > So, if an OSPF external route advertisment has a tag value of 42, > when the route is redistributed into BGP, the respective BGP community > value would be 0:42. If the OSPF tag value was 81, the BGP community > value would be 0:81. > > It looks like it might be IOS possible to statically encode all the > possible > OSPF tag values, via a route-map, and then set the BGP community value. > I've not actually done this yet, so not sure if its possible. However, > I'd rather use an automated mechanism for this. That way, as new OSPF > external tag types are used in the network, I don't need to update > route-maps. > > Thanks Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=56753&t=56450 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]