Brian,The 1720 started to support 2 WIC-1ENETs in 12.2(8)T, the latest in this train is 12.2(15)T1 which requires 48MB DRAM and 16MB of flash for the IP/ADSL/FW/IDS PLUS IPSEC 3DES feature set. I would rather go with the 12.2(15)T1 instead of the XJ ...
Jing,The reason why you weren't able to configure IS-IS was the feature set htat you have doesn't support it. The feature set for a 2621 would have to be at least enterprise.Here is a link to the HW/SW matrix in case you would like to check other fea...
The config register set to 0x21012 will boot from flash, but will set the baud rate to 1200. So if you set your hyperterminal to 1200 baud you will be able to get in and change the config register back to 0x2102. To change the config register back yo...