Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
IN-3640-Int-BU#ping 172.26.0.254 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.26.0.254, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms Building configuration... Current configuration : 1998 bytes ! ! Last configuration change at 22:24:09 MET Sat Jun 27 2009 ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec service password-encryption no service dhcp ! hostname IN-3640-Int-BU ! boot-start-marker boot-end-marker ! no logging on no aaa new-model ! resource policy ! clock timezone MET 5 ip flow-cache timeout active 1 ! ! ip cef ! interface FastEthernet0/0 description $ETH-LAN$ ip address 172.25.0.254 255.255.255.0 ip flow ingress ip flow egress ip nbar protocol-discovery ip route-cache flow speed 100 full-duplex ! interface FastEthernet0/1 ip address 172.26.0.254 255.255.0.0 ip flow ingress ip flow egress ip nbar protocol-discovery ip route-cache flow duplex auto speed 100 ! ip http server ip http authentication local ip flow-export source FastEthernet0/0 ! ip route 0.0.0.0 0.0.0.0 172.25.0.252 ip route 10.0.0.0 255.248.0.0 172.25.0.253 ip route 172.16.0.0 255.255.0.0 172.25.0.253 ip route 172.17.0.0 255.255.0.0 172.25.0.253 ip route 172.20.0.0 255.255.0.0 172.25.0.253 ! ! control-plane ! end IN-3640-Int-BU#
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