[Nottingham] iptables log analysis

[Mo]

I have some excellent documentation on the NTL 'Broad-Net' network. It
documents the UBRs, DHCPs, CAMs, SAMs,caches etc. I'll bring it down on
the 1st, let me know how many copies i need. It concentrates on
Nottingham out wards.  







On Thu, 2003-09-18 at 20:44, Duncan John Fyfe wrote:
> On Thu, 18 Sep 2003, Martin wrote:
> 
> > Duncan John Fyfe wrote:
> > [...]
> 
> Thanks to everyone who replied.
> 
> I wasn't particularly worried about what I was seeing in the logs
> but sometimes I like to check that what I think is happening is what is
> actually happening.  Writing an iptables script is easy.  Being convinced
> it is doing what I think it should be doing is something else all together
> (cf. my dropping the NTL UBR)
> 
> <big snip>
> >
> > These are from your ntl UBR. Its trying to talk to you!
> >
> 
> Thanks for that.
> 
> >
> > For all things ntl and internet, see:
> >
> > The fount of all UK Cable Modem wisdom, Robin Walker's pages at
> > http://homepage.ntlworld.com/robin.d.h.walker/cmtips/index.html.
> >
> Thanks for the reminder.
> This has been much improved since I last read it.
> Further question though.....
> 
> My normal ntl dhcp server  62.254.0.21 = dhcp2-nott.server.ntli.net.
> I should presumably be using 62.254.0.20 = dhcp1-nott.server.ntli.net.
> as the backup.
> 
> Lead on by the line "option dhcp-server-identifier 62.254.0.50;"
> in my dhclient.leases I have also found:
> 
> 62.254.0.50     = dhcp1b-nott.server.ntli.net.
> ...51           = dhcp2b-nott.server.ntli.net.
> ...52           = dhcp1c-nott.server.ntli.net.
> ...53           = dhcp2c-nott.server.ntli.net.
> 
> should I care about them as well or are some of these for set top box people ?
> >
> > Good luck,
> > Martin
> >
> >
> 
> Have fun,
> Duncan