R3#sh run | b interface Serial1/2
interface Serial1/2
 ip address 180.40.7.1 255.255.255.224
 custom-queue-list 1

!
!
access-list 100 permit icmp host 100.1.1.1 host 20.10.1.2 echo
access-list 101 permit icmp host 100.1.1.1 host 20.10.1.1 echo
access-list 102 permit icmp host 100.1.1.1 20.10.1.0 0.0.0.255 echo
queue-list 1 protocol ip 1 tcp ftp
queue-list 1 protocol ip 1 tcp ftp-data
queue-list 1 protocol ip 2 tcp telnet
queue-list 1 default 3
queue-list 1 queue 1 byte-count 2673
queue-list 1 queue 2 byte-count 1274
queue-list 1 queue 3 byte-count 1294
!