On 12/31/11 9:33 PM, Eric Rosenberry wrote: > I am scratching my head here wondering if I have run into a Cisco bug, or > somehow intended weird behavior... > > I set the loopback IP's for a pair of 6500's (Sup720-3CXL's) to adjacent > IP's and have *identical* config's on them (sans their interface and > loopback IP's). > > One of them is 216.x.x.254 and the other is 216.x.x.255.
If the mask of 216.x.x is /24 or longer, then .255 will be a broadcast address and the ping response will be from one or more host addresses on the subnet. If the second x of 216.x.x is odd, then the same issue will pertain to shorter masks, binary math will tell you which. -- Jay Hennigan - CCIE #7880 - Network Engineering - j...@impulse.net Impulse Internet Service - http://www.impulse.net/ Your local telephone and internet company - 805 884-6323 - WB6RDV _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
