Re: Networking Status pre #2

Alan Cox (alan@cymru.net)
Wed, 15 May 1996 10:31:13 +0100 (BST)


> --- panix.com ping statistics ---
> 14852 packets transmitted, 0 packets received, 100% packet loss
> Socket destroy delayed (r=0 w=1660)

Looks what I'd expect.. thats fine.

> > 6. Not being able to talk to some sites and a trace that looks like
> > a MTU discovery problem (continually resending a frame with DF set
> > and getting an ICMP error back).
>
> Hmm .... perhaps.
>
> There are certain hosts I cannot talk to after a "TCP Connection
> Established" (ftp sites, etc.) that other hosts can talk to no
> problem; I haven't diagnosed what's going on but have eliminated most
> identd and reverse-forward-lookup matching problems (my reverse lookups
> should be fairly sturdy!)
>
> What trace would this be? traceroute -f shellx.best.com. 2000???

tcpdump, while trying to talk to a host that wont talk to you

Alan