Arrowpoint and DNS (was: DNS source ports and RFC's

Mathias Körber mathias at staff.singnet.com.sg
Thu Jul 13 01:49:47 UTC 2000


Did you manage to get the Arrowpoint to properly rewrite
the reply packets using its virtual IP address?

I tried this last year, and it did well for TCP connections
(zonetransfers, TCP queries), but did not handle UDP queries at all.
The query would make it to the servers and get replied, but never
get past the Arrowpoint to the client..

I guess the arrowpoint (a CS100, I think with version 2) did not
understand how to rewrite and pass on DNS reply packets via its
virtual IP address.=20

The local distributor was also not ableto help at that time. If this
is fixed/possible now I would go and look at them again for this
purpose...

Mathias

> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]On
> Behalf Of Ramin K
> Sent: Thursday, July 13, 2000 6:58 AM
> To: bind-users at isc.org
> Subject: DNS source ports and RFC's
>=20
>=20
>=20
> 	I'm attempting to load balance DNS using Arrowpoint=20
> equipment. At the=20
> point I'm at now, I can run Bind on server ports and have the Arrow =
pass=20
> port 53 requests to several machines running several instances.
> 	What I can't do is get the source port to act correctly.=20
> Requests come in=20
> to port 53 get passed to port say... 3001 on the machines behind=20
> the Arrow=20
> and then passed back to the client with a source port of 3001=20
> instead of 53.
>=20
> Does this break anything or go against any RFC's. I'm currently=20
> searching,=20
> but if anyone already knows, I"d love to hear from you.
>=20
> Ramin=20
>=20
>=20
> ____________NetZero Free Internet Access and Email_________
> Download Now     http://www.netzero.net/download/index.html
> Request a CDROM  1-800-333-3633
> ___________________________________________________________
>=20




More information about the bind-users mailing list