Use /etc/system
* * Network Interface 100Mbps Full Duplex * set eri:adv_autoneg_cap=0 set eri:adv_100T4_cap=0 set eri:adv_100fdx_cap=1 set eri:adv_100hdx_cap=0 set eri:adv_10fdx_cap=0 set eri:adv_10hdx_cap=0 * -----Original Message----- From: Conko, Steven [mailto:[EMAIL PROTECTED] Sent: Monday, March 17, 2003 2:46 PM To: [EMAIL PROTECTED] Subject: sunOS 5.7 problem Extremely slow backups from a sunOS 5.7 client with lots of collisions..... does anyone know how to hardcode the interface to 100 Full Duplex? Sparc 20 model. Steven A. Conko Senior Unix Systems Administrator ADT Security Services, Inc.