Subject: Re: ping A->B != ping B->A ?
To: None <tech-net@netbsd.org>
From: Christoph Kaegi <kgc@zhwin.ch>
List: tech-net
Date: 07/06/2004 10:03:11
On 05.07-21:06, Ian Zagorskih wrote:
> I have two PCs, let's say A and B.
> 
> on A ping B:
> $ ping nbsd1
> PING nbsd1 (192.168.100.5): 56 data bytes
> 64 bytes from 192.168.100.5: icmp_seq=0 ttl=255 time=0.276 ms
> 64 bytes from 192.168.100.5: icmp_seq=1 ttl=255 time=0.270 ms
> 64 bytes from 192.168.100.5: icmp_seq=2 ttl=255 time=0.286 ms
> 64 bytes from 192.168.100.5: icmp_seq=3 ttl=255 time=0.292 ms
> 64 bytes from 192.168.100.5: icmp_seq=4 ttl=255 time=0.298 ms
> 
> on B ping A:
> PING ianzag (192.168.100.37): 56 data bytes
> 64 bytes from 192.168.100.37: icmp_seq=0 ttl=255 time=2.444 ms
> 64 bytes from 192.168.100.37: icmp_seq=1 ttl=255 time=57.479 ms
> 64 bytes from 192.168.100.37: icmp_seq=2 ttl=255 time=44.911 ms
> 64 bytes from 192.168.100.37: icmp_seq=3 ttl=255 time=46.508 ms
> 64 bytes from 192.168.100.37: icmp_seq=4 ttl=255 time=0.004 ms
> 
> Maybe i'm missing something but this isn't obvious for me why at the same time 
> inside same idle LAN pings from A to B and ping from B to A differ so much.
> 

What mediaopts did you specify? Maybe try to play with the 'media'
and 'mediaopt' parameters to ifconfig.
Some NIC/Switch combination need hardwiring of media type and opts.

Chris

-- 
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Christoph Kaegi                                           kgc@zhwin.ch
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