Now i had the problem, could you help me?
1- i had router 2621xm:After i configure int f0/0 than no shut it show message like this:
Router(config-if)#ip add 10.10.10.1 255.255.255.0
*Mar 1 00:00:59.625: %AMDP2_FE-1-INITFAIL: CSR0=0x0000
by the way on router 2621xm had 2 fastethernet but my router i can see one interface is fastethernet 0/0.
What's going on?