Hi All : I 've problem to found the best IOS for following hardware. The following is my GSR 12008 show ver output: Cisco Internetwork Operating System Software IOS (tm) GS Software (GSR-P-M), Version 12.0(9)S, EARLY DEPLOYMENT RELEASE SOFTW ARE (fc1) Copyright (c) 1986-2000 by cisco Systems, Inc. Compiled Fri 04-Feb-00 18:26 by htseng Image text-base: 0x60010908, data-base: 0x60FAA000 ROM: System Bootstrap, Version 11.2(17)GS2, [htseng 180] EARLY DEPLOYMENT RELEAS E SOFTWARE (fc1) cmtel_12008 uptime is 1 day, 14 hours, 26 minutes System returned to ROM by reload System image file is "slot0:gsr-p-mz.120-9.S" cisco 12008/GRP (R5000) processor (revision 0x01) with 262144K bytes of memory. R5000 CPU at 200Mhz, Implementation 35, Rev 2.1, 512KB L2 Cache Last reset from power-on 1 Route Processor Card 2 Clock Scheduler Cards 3 Switch Fabric Cards 2 four-port OC3 POS controllers (8 POS). 1 Single Port Gigabit Ethernet/IEEE 802.3z controller (1 GigabitEthernet). 1 Ethernet/IEEE 802.3 interface(s) 1 GigabitEthernet/IEEE 802.3 interface(s) 8 Packet over SONET network interface(s) 507K bytes of non-volatile configuration memory. 20480K bytes of Flash PCMCIA card at slot 0 (Sector size 128K). 8192K bytes of Flash internal SIMM (Sector size 256K). Configuration register is 0x102 Thanks ^_^ ! Eric _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]