[smokeping-users] Re: fping issue?
dm at belkam.com
Wed Feb 15 13:19:02 MET 2006
Dez Cadena wrote:
>I had some non-responsive fping targets in my config so I tried both
>ping and fping from the command line.
>Same target, same options (5 packets, 64bytes size, 1sec between packets):
>fping produced 100% packet loss (as expected)
>ping produced 0% packet loss (!)
I have absolutely the same problem over one of our links.
fping 192.168.101.1 -b 1500
192.168.101.1 is unreachable
ping 192.168.200.230 -s 1500
PING 192.168.200.230 (192.168.200.230) 1500(1528) bytes of data.
1508 bytes from 192.168.200.230: icmp_seq=1 ttl=254 time=24.9 ms
fping 192.168.200.230 -b 12
192.168.200.230 is alive
I looked into packets and see that there is difference in content.
This is 2Mbit hdlc link betwee cisco 3660 and 1751...
Strange but true...
>AFAIK, both fping and ping send ICMP echo requests so how come the same
>target is responsive through
>ping and non-responsive through fping? Any ideas? The target is a cisco
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