[HECnet] HECnet GRE Tunnels...

[Brian Hechinger]

Let me hop on Ian's machine and see how the tunnel thing is doing. I've
been meaning to rewrite that anyway so maybe this will be the motivation. 😁

On Thu, Nov 15, 2018, 09:30 Dave McGuire <mcguire at neurotica.com wrote:

> On 11/15/18 9:19 AM, Tim Sneddon wrote:
> > I have just finished doing a bit of network cleanup on my ASA and 1841
> > and noticed that a number of the HECnet GRE tunnels seems to be down or
> > possibly misconfigured.
> >
> > I know that my IP address changed a while back as part of the transition
> > to Australia's National Broadband Network (NBN) and my router can now be
> > found at 110.141.227.104. I am pretty sure that Brian sent out an
> > update, but I'm not sure how well it was applied.
> >
> > Since changing IP addresses I've only been able to establish a tunnel
> > with 50.131.218.138 (area 42).  However, when I attempt to ping the
> > other end I am unable to reach 42.1023.
> >
> > After looking at my firewall logs I noticed that someone
> > at 81.135.164.245 was attempting to establish a GRE tunnel.  After
> > looking at the existing configuration I noticed that it was a similar
> > address to what had been last configured for area 22.  I made the change
> > and now I can establish a link to area 22 and I can successfully ping
> > 22.1023.
> >
> > However, that is were it ends.  I have tunnels configured for area 59,
> > 23, 61, 9 and 52, but I have no connection to the other end.  Worse, I
> > have no connection to the HECnet as a larger entity.
> >
> > Is anyone else other than myself and Mark Darvill still using the
> > tunnels?  If there is a lack of interest in the maintenance, I would be
> > happy to take it over and start running the bridge here too.
>
>   The GRE tunnel system is in use here at the LSSM, area 61.  I just
> updated your endpoint address in my router.  I've not seen any updates
> from Brian that changed your tunnel endpoint address.
>
>   I can ping 42.1023, but not 22.1023.  Most of my routes go through
> 42.1022.
>
>              -Dave
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
>
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