From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On 
Behalf Of Bill Boyer
>Anyone care to share some experiences with a Cisco SIP router on a z800
>mainframe? I'm working at a client site that has this 
>configuration and the
>ANS4966I message are only should a 200-400KB/sec network 
>throughput rate for
>client sessions. Disk to tape migration runs at 3590E speed, 
>but backups are
>extremely slow.. The ESCON channel for the SIP is showing 98% utilized
>during the backup window. The front-end of this is 100MB Ethernet.
>
>The nightly backup is averaging 190GB and it just isn't finishing.

Just a thought. Are your duplex/speed settings on any/all ports set to
AUTONEGOTIATE? If so, hard-set them all to 100/full and see if that
makes a difference.

--
Mark Stapleton