You've got it! They can be used for iBGP, DNS resolution, GRE tunnel endpoints, OSPF/BGP Router IDs, route summarization...the list goes on.
>>> Robert Edmonds 8/5/03 3:26:35 PM >>> So, if I understand correctly, aside from OSPF router ID's and the like, just use a loopback interface when you want an always up/up interface. That's pretty simple. ""John Neiberger"" wrote in message news:[EMAIL PROTECTED] > Exactly right. Sometimes it's nice to have a virtual interface whose status > is not tied directly to a physical interface. We've mentioned several > configurations where this is the case. From the routers perspective it may > have a couple of special properties, since it's virtual, but it's still just > another interface, as Dave said. > > >>> MADMAN 8/5/03 1:25:25 PM >>> > I think your thinking way too hard about this;) A loobback is > nothing more than a logical interface as opposed to a physical > interface. As far as the routing process is concerned it's just another > interface. Don't know how to articulate it any further. > > Dave > > Robert Edmonds wrote: > > You gentlemen have pointed out some good uses for loopback interfaces. > > However, my dilema still remains that I have yet to have somebody solidly > > explain loopback interfaces in a way that my simple mind can understand. > I > > have also been unsuccessful in finding any website that accomplish this. > > Any takers? > > > > Robert > > > > ""p b"" wrote in message > > news:[EMAIL PROTECTED] > > > >>terminate iBGP sessions on > > **Please support GroupStudy by purchasing from the GroupStudy Store: > > http://shop.groupstudy.com > > FAQ, list archives, and subscription info: > http://www.groupstudy.com/list/cisco.html > > > > > -- > David Madland > CCIE# 2016 > Sr. Network Engineer > Qwest Communications > 612-664-3367 > > "Government can do something for the people only in proportion as it > can do something to the people." -- Thomas Jefferson > **Please support GroupStudy by purchasing from the GroupStudy Store: > http://shop.groupstudy.com > FAQ, list archives, and subscription info: > http://www.groupstudy.com/list/cisco.html > **Please support GroupStudy by purchasing from the GroupStudy Store: > http://shop.groupstudy.com > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=73566&t=73305 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
