These are ping to a RH9 machine.
[zeus@zeusbox zeus]$ ping 198.0.0.99
[code:1]PING 198.0.0.99 (198.0.0.99) 56(84) bytes of data.
64 bytes from 198.0.0.99: icmp_seq=0 ttl=64 time=1.93 ms
64 bytes from 198.0.0.99: icmp_seq=1 ttl=64 time=0.173 ms
64 bytes from 198.0.0.99: icmp_seq=2 ttl=64 time=0.214 ms
64 bytes from 198.0.0.99: icmp_seq=3 ttl=64 time=0.221 ms
64 bytes from 198.0.0.99: icmp_seq=4 ttl=64 time=0.173 ms
--- 198.0.0.99 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9046ms
rtt min/avg/max/mdev = 0.172/0.373/1.937/0.521 ms, pipe 2[/code:1]
I beleive, i have a working network activity.