i have to sites connected through serial link.both are up.but ping is not allowed.
how can i check in access list that ICMP
fdcb-habshan#sh ip int brief
Interface IP-Address OK? Method Status Prot ocol
GigabitEthernet0/0 10.26.3.11 YES NVRAM up up
GigabitEthernet0/1 unassigned YES NVRAM administratively down down
Serial0/0/0 10.26.126.1 YES NVRAM up up
Serial0/0/1 unassigned YES NVRAM down down
Serial0/1/0:0 unassigned YES NVRAM down down
Serial0/1/1:0 unassigned YES unset down down ping 10.26.126.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.26.126.2, timeout is 2 seconds:
Success rate is 0 percent (0/5)
this is other site which i can no tping