I was able to solve the problem (at least for us) with some BGP tuning. CW was already prefering UUNet to get packets back to us, so I have us prefering UUNet for reaching CW by prepending received routes from Sprint that contain _3561_. BTW...several people have asked about the program that generated the output that looks like a combination of ping and traceroute. It's mtr. http://www.bitwizard.nl/mtr/ ---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| Spammers will be winnuked or System Administrator | nestea'd...whatever it takes Atlantic Net | to get the job done. _________http://www.lewis.org/~jlewis/pgp for PGP public key__________