[quagga-users 8989] Re: ospf not redistributing vpnc (tun0) routes

Brian J. Murrell brian at interlinx.bc.ca
Mon Oct 15 09:32:12 IST 2007


On Mon, 2007-10-15 at 09:20 +0100, Paul Jakma wrote:
> Hi Brian,

Hi Paul,

> Aha. You're doing static routing.

Hrm.  Yes indeed.

> Or perhaps better, use expect or the like to add/remove the filters 'in 
> situ'. The filters aren't /required/ obviously. If you're careful about 
> what routes get added to the kernel tables..

Indeed on both points.

> And presumably you have multiple, disjoint subnets to route,

Hrm.  There are two documented but I have found use for only one so far.
It's an 8 bit network (i.e. a class A).

> and the PtP 
> remote address doesn't lie in any of them?

The remote (which is also my address) does in fact lie in the class A
which I'm statically routing, yes.  i.e.

tun0      Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:192.106.65.23  P-t-P:192.105.65.23  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1390  Metric:1
          RX packets:147 errors:0 dropped:0 overruns:0 frame:0
          TX packets:115 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500 
          RX bytes:120317 (117.4 KiB)  TX bytes:8356 (8.1 KiB)

> I.e. if there were just one prefix that needed routing, you could make 
> it be the PtP address, the interface 'passive' and OSPF would just take 
> care of the rest.

The vpnc application is what creates the tun0 so I'm not sure how much
control I'd have over that.

> Another option: Run a routing protocol with the other side. E.g. RIP 
> will do fine for this (i guess you don't run the other side)

Indeed, I don't.

> and is 
> widely supported.

b.

-- 
My other computer is your Microsoft Windows server.

Brian J. Murrell
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