>при этом циска перестанет работать как файрвол... а можете более подробно пояснить?
R1---R2--R3
с R1 пингуем R3
до применения ACL
Rack1R1#ping 149.1.123.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 149.1.123.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/36/60 ms
после ACL
Rack1R1#ping 149.1.123.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 149.1.123.2, timeout is 2 seconds:
U.U.U
Success rate is 0 percent (0/5)
Включил дапм на R2
Rack1R1#ping 149.1.123.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 149.1.123.2, timeout is 2 seconds:
U.U.U
Success rate is 0 percent (0/5)