Re: Solaris 10 and cheap hubs

From: Ivo Mencke (imencke@servecentric.com)
Date: Wed Jul 20 2005 - 09:25:00 EDT


Thanks to all the people who replied so far.

Andy Lee from England suggested i do ping -ns

I tried this here in work with a solaris 10 ultra10 and a linux laptop
which wasnt in DNS, and this showed that ping -s didnt work, whereas
ping -ns did work.

it still would not explain why i could ping the systems on the same hub,
but im hopeful that this was it. I guess if this was it i will have to
add firewall entries to the e250's hosts file for ping, telnet etc to
work too.

I will check this evening and update this message..

thanks again
ivo

On Wed, 2005-07-20 at 09:26 +0100, Ivo Mencke wrote:
> Hi,
>
> I currently have a setup like so:
>
> Linux/solaris9/hp-ux ---> HUB1 ---> HUB2 ---> Firewall --> Internet
>
> The slackware linux pc, the solaris 9 and the hp-ux 11 can ping the
> firewall no problem.
>
> However, when i connected an E250 to HUB1, with solaris 10, I can ping
> the other hosts connected to HUB1, but I cannot ping the firewall ??
>
> I tried both the hme and qfe interfaces on the E250, same result.
>
> The hubs are the same (both really cheap no-name 10Mb Half Duplex hubs).
>
> I would have thought that if solaris 10 was able to talk through HUB1,
> that it would get through HUB2 also.
>
> I have ndd'd the E250/solaris 10 NICS to run at 10Mb half duplex. The
> firewall is a fedora core 3 linux pc with 2 nics. tcpdump shows nothing
> on the internal firewall interface.
>
> im starting to think it must be the hubs, or perhaps mtu size (1500) or
> something?
>
> I will summarise :-)
>
>
> any help greatly appreciated.
> thanks,
> ivo
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