Hi all,
I have 4 6509 cats that are giving me problems. For particular modules on
the switch, user will not be able to login to network. I move them to
different module on same switch all works fine. I look at switch, port
status all is fine. I check logs on switch and I see for the ports giving
me problem it reports "Coil Pinnacle Header Checksum Error". What the hell
is this? I searched Cisco's site and find nothing.
Has anyone seen this? Please help.
I am about the thought out the damn Module.
Thanks
Rob
Rob Mears III, NNCSS, NNCDS, MCSE, CNE, CCNA, A+
Technical Mercenary
-----Original Message-----
From: Joe Schnerd [mailto:[EMAIL PROTECTED]]
Sent: Monday, January 08, 2001 3:07 PM
To: [EMAIL PROTECTED]
Subject: Re: PIX Nat vs. IOS Nat for DNS
I have a question along the same line...
If I have a single DNS behind NAT and I want to change it's IP to 10.x.x.x,
how does NAT/Firewall know to forward the request to that address and how
would I register with Network Solutions so that there is a "virtual" name
server? Any suggestions/ideas?
I've been looking at some sample NAT configs, but nothing really addresses
the DNS aspect.
Any help would be greatly appreciated.
Jeff
"Brian Bieber" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> My question is about DNS queries through the PIX and the IOS w/NAT.
>
> This is taken from the Cisco web site.
>
> http://www.cisco.com/warp/public/458/41.html#Q21
> <http://www.cisco.com/warp/public/458/41.html#Q21>
> Q: Does Cisco IOS NAT support DNS queries?
> A: Yes, Cisco IOS NAT will translate the address(es) which
> appear in DNS responses to name lookups (A queries) and inverse lookups
(PTR
> queries). Thus, if an outside host sends a name-lookup to a DNS server on
> the inside, and that server responds with a local address, the NAT code
will
> translate that local address to a global address. The opposite is also
true,
> and is how we support IP addresses overlapping: an inside host queries an
> outside DNS server, the response contains an address that matches the
> access-list specified on the "outside source" command, so the code
> translates the outside global address to an outside local address.
> Time-to-live (TTL) values on all DNS resource records (RRs)
> which receive address translations in RR payloads are automatically set to
> zero.
> Cisco IOS NAT does not translate IP addresses embedded in
> DNS zone transfers.
>
> My question is how do I achieve this in the PIX?
>
> Thanks
> Brian Bieber
>
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