As John alludes to, if you really want to ping yourself build a map to yourself, careful may cause blindness ;)
Dave John Neiberger wrote: > > With this sort of configuration you won't be able to ping your > own interface. It may seem counter-intuitive at first but the > problem is that the router doing the pinging doesn't have a > frame relay map for its own IP address. With the point-to- > point interface you had originally this is not an issue. > > When you ping your own serial interface the packet usually goes > to remote router first, gets bounced back to the local router > which then replies to the opposite side, which bounces the > reply back to the originating router. This process won't work > if the originating router doesn't know where to send the first > packet. > > This is normal behavior for this sort of configuration and > nothing to be concerned about. > > HTH, > John > > ---- On Tue, 12 Mar 2002, Kelly Cobean ([EMAIL PROTECTED]) > wrote: > > > All, > > I am stumped by some behavior I am seeing in my lab when > testing > > frame-relay. I have a 4000 configured as a frame switch; > nothing > > special, > > just the standard frame-relay route commands necessary to > switch the > > traffic > > between two other routers (we'll call them rtrA & rtrB, for > clarity.) On > > rtrA, I have configured a physical interface with a map > statement. On > > rtrB, > > I have configured a P2P sub-interface with a "frame-relay > interface dlci > > xxx" statement (you can't use a map statement on a P2P > interface, the > > router > > complains). All works fine, and I can ping rtrB and rtrA > from rtrA and > > vice > > versa (In other words, I can ping my own interface and the > remote > > interface > > on both routers). Here's where it gets weird...If I delete > the P2P > > interface on rtrB, reload to get rid of the residue, then > reconfigure > > the > > router with a multipoint sub-interface and a map statement, I > can still > > ping > > rtrA just fine, but I lose the ability to ping rtrB from rtrB > itself > > (i.e. > > pinging my own interface) I lose the ability to ping rtrA's > interface > > from > > rtrA at this point as well. Debug output shows the typical > > "encapsulation > > failed" error, but I'm at a loss as to why I can ping the > remote router, > > but > > not my own interface? Anyone have any thoughts? I'm sure > I'm missing > > something, but for the life of me, I can't figure out what it > is. > > Thanks in > > advance for any input. > > > > Kelly Cobean, CCNP,CCSA,ACSA,MCSE,MCP+I > [EMAIL PROTECTED] -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=38134&t=38061 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
