User's Manual

Cisco Wireless Access Point Support
February 2004 33
5.2.4 Ping test
You can use the broadcast ping (ping –b 172.17.255.255) if you are using Linux. All possible devices will
respond, giving you a quick idea of the latency and reliability of the network. Below is an example of the
command:
cnb4:mms$ ping -b 172.19.255.255
WARNING: pinging broadcast address
PING 172.19.255.255 (172.19.255.255) from 172.19.0.5 : 56(84) bytes of data.
64 bytes from 172.19.0.5: icmp_seq=1 ttl=255 time=0.036 ms
64 bytes from 172.19.255.5: icmp_seq=1 ttl=255 time=1.51 ms (DUP!)
64 bytes from 172.19.254.104: icmp_seq=1 ttl=64 time=1.73 ms (DUP!)
64 bytes from 172.19.254.103: icmp_seq=1 ttl=64 time=2.32 ms (DUP!)
64 bytes from 172.19.254.123: icmp_seq=1 ttl=64 time=9.95 ms (DUP!)
64 bytes from 172.19.254.117: icmp_seq=1 ttl=64 time=11.4 ms (DUP!)
64 bytes from 172.19.254.118: icmp_seq=1 ttl=64 time=16.1 ms (DUP!)
64 bytes from 172.19.254.124: icmp_seq=1 ttl=64 time=23.9 ms (DUP!)
64 bytes from 172.19.0.5: icmp_seq=2 ttl=255 time=0.019 ms
64 bytes from 172.19.255.5: icmp_seq=2 ttl=255 time=1.49 ms (DUP!)
64 bytes from 172.19.254.104: icmp_seq=2 ttl=64 time=1.73 ms (DUP!)
64 bytes from 172.19.254.103: icmp_seq=2 ttl=64 time=2.03 ms (DUP!)
64 bytes from 172.19.254.117: icmp_seq=2 ttl=64 time=5.65 ms (DUP!)
64 bytes from 172.19.254.118: icmp_seq=2 ttl=64 time=9.26 ms (DUP!)
64 bytes from 172.19.254.123: icmp_seq=2 ttl=64 time=11.8 ms (DUP!)
64 bytes from 172.19.254.124: icmp_seq=2 ttl=64 time=12.6 ms (DUP!)
64 bytes from 172.19.0.5: icmp_seq=3 ttl=255 time=0.015 ms
64 bytes from 172.19.255.5: icmp_seq=3 ttl=255 time=1.53 ms (DUP!)
64 bytes from 172.19.254.104: icmp_seq=3 ttl=64 time=1.63 ms (DUP!)
64 bytes from 172.19.254.103: icmp_seq=3 ttl=64 time=2.04 ms (DUP!)
64 bytes from 172.19.254.117: icmp_seq=3 ttl=64 time=6.71 ms (DUP!)
64 bytes from 172.19.254.118: icmp_seq=3 ttl=64 time=7.66 ms (DUP!)
64 bytes from 172.19.254.123: icmp_seq=3 ttl=64 time=10.2 ms (DUP!)
64 bytes from 172.19.254.124: icmp_seq=3 ttl=64 time=13.1 ms (DUP!)
--- 172.19.255.255 ping statistics ---
3 packets transmitted, 3 received, +21 duplicates, 0% loss, time 2017ms
rtt min/avg/max/mdev = 0.015/6.445/23.981/6.106 ms