[HECnet] GRE Peering

[Tomas Prybil]

On Sat, May 11, 2019 at 11:39:47AM -0600, Mark Berryman wrote:
> Ok, I am set up on my end.  Anyone that wants to connect this way should set their tunnel up as follows:

OK, i've setup for area34 with link local address 169.254.0.34 and
coming from 81.236.171.34

>20:13:00.297790 IP 10.63.14.1 > 70.89.171.10-Busname-CO.hfc.comcastbusiness.net: GREv0, key=0x63, length 92: gre-proto-0x2001

I can see outgoing gre but nothing incoming so far


/t



> 
> interface TunnelXX	! Whatever tunnel number you want to use
>  description DECnet mGRE tunnel
>  bandwidth nn   ! Use a bandwidth value appropriate to your Internet connection
>  ip address 169.254.0.y 255.255.255.0    ! Where y = your DECnet area number
>  no ip redirects
>  ip mtu 1476
>  ip nhrp authentication HECnet!z
>  ip nhrp map multicast dynamic
>  ip nhrp map 169.254.0.27 70.89.171.10
>  ip nhrp map multicast 70.89.171.10
>  ip nhrp network-id 27
>  ip nhrp holdtime 3600
>  ip nhrp nhs 169.254.0.27
>  ip nhrp registration no-unique
>  ip tcp adjust-mss 1360
>  decnet cost 4   ! Or whatever cost you feel is appropriate
>  tunnel source <your internet-facing interface>
>  tunnel mode gre multipoint
>  tunnel key 99
> end
> 
> You can test that the tunnel is up by attempting to ping 169.254.0.27 from your router.
> 
> Mark Berryman
> 
> > On May 11, 2019, at 3:08 AM, Supratim Sanyal <supratim at riseup.net> wrote:
> > 
> > On 05/11/2019 05:00 AM, Tomas Prybil wrote:
> >> On Fri, May 10, 2019 at 12:16:47PM -0600, Mark Berryman wrote:
> >>> If you want, I will set up my router to accept dynamic GRE connections.  Then, anyone with a dynamic IP wanting to do GRE can connect to it.
> >> Whenever you are ready.
> >> If you think we should keep this discussion off-list you can reach me
> >> at tomas at prybil.se <mailto:tomas at prybil.se>
> >> 
> >> /t
> > If the AREA27 router comes back, I wouldn't mind having a parallel link to ALDUR over it as well.
> > 
> > -- 
> > Sent via Thunderbird/MX-Linux on an overheated Compaq Presario CQ61
>