[CS-FSLUG] Networking details #3 -- partly working

[Josiah Ritchie]

On Wed, 2004-12-08 at 12:53 -0600, Ed Hurst wrote:
> I can now ping the XP machine from mine. The issue was a BIOS option,
> which prevented proper assignment of the MAC address.
> 
> However, I cannot get the XP machine to resolved DNS. Here's what
> tcpdump looks like watching on the ethernet interface:
> 
> 12:48:50.856985 arp who-has thud.local.bsd tell churchmouse.local.bsd
> 12:48:50.857052 arp reply thud.local.bsd is-at 00:a0:c9:f2:fe:d6
> 12:48:50.857304 IP churchmouse.local.bsd.1027 > 65.90.176.11.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:51.842884 IP churchmouse.local.bsd.1027 > 208.23.212.253.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:52.843025 IP churchmouse.local.bsd.1027 > 208.23.212.253.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:54.843148 IP churchmouse.local.bsd.1027 > 65.90.176.11.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:54.843308 IP churchmouse.local.bsd.1027 > 208.23.212.253.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:58.843547 IP churchmouse.local.bsd.1027 > 65.90.176.11.domain:
> 26+ A? www.eunet.bg. (30)
> 12:48:58.843705 IP churchmouse.local.bsd.1027 > 208.23.212.253.domain:
> 26+ A? www.eunet.bg. (30)
> 
> I have told XP to use 65.90.176.11 and 208.23.212.253 specifically. The
> query isn't getting back in, so perhaps it's a firewall issue. That
> means digging around in FreeBSD documentation for IPFW.

watching tcpdump from the external interface (-i ppp0) you can see if
the traffic goes out or isn't coming in.

I'd recommend adding 'host 208.23.212.253' as well to cut down on the
extra noise.

JSR/