[cisco-bba] ospf over pppoe link

[Oliver Boehmer (oboehmer)]

Mark,

Can you try to add "Framed-Routing = 3" to your Radius profile and see
if this makes a difference?

	oli

Mark Jones <mailto:mjones at mnsi.net> wrote on Wednesday, March 21, 2007
7:48 PM:

> Here is some of the config. Let me know what else you may need.
> 
> 
> 
> router ospf 1
>  router-id XXX.X.137.65
>  log-adjacency-changes
>  limit retransmissions dc disable non-dc disable
>  redistribute connected subnets route-map netout
>  redistribute static subnets route-map netout
>  network xxx.x.136.213 0.0.0.0 area 0
>  network xxx.x.137.65 0.0.0.0 area 0
> 
> !<snip>
> 
> interface Virtual-Template3
>  mtu 1492
>  ip unnumbered FastEthernet0/0.4
>  ip load-sharing per-packet
>  ip ospf mtu-ignore
>  no logging event link-status
>  load-interval 30
>  peer default ip address pool dynlon1
>  ppp authentication pap PPP_LOCAL
>  ppp authorization PPP_LOCAL
> 
> 
> 
> sh ip ospf int vi3.1
> 
> Virtual-Access3.1 is up, line protocol is up
>   Internet Address 0.0.0.0/0, Area 0
>   Process ID 1, Router ID XXX.X.137.65, Network Type POINT_TO_POINT,
>   Cost: 1 Transmit Delay is 1 sec, State POINT_TO_POINT
>   Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
>     oob-resync timeout 40
>     No Hellos (Passive interface)
>   Supports Link-local Signaling (LLS)
>   Cisco NSF helper support enabled
>   IETF NSF helper support enabled
>   Index 4/4, flood queue length 0
>   Next 0x0(0)/0x0(0)
>   Last flood scan length is 0, maximum is 0
>   Last flood scan time is 0 msec, maximum is 0 msec
>   Neighbor Count is 0, Adjacent neighbor count is 0
>   Suppress hello for 0 neighbor(s)
> 
> 
> ----- Original Message -----
> From: "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com>
> To: "Mark Jones" <mjones at mnsi.net>; <cisco-bba at puck.nether.net>
> Sent: Wednesday, March 21, 2007 12:38 PM
> Subject: RE: [cisco-bba] ospf over pppoe link
> 
> 
>> Mark Jones <> wrote on Wednesday, March 21, 2007 4:42 PM:
>> 
>>> We are trying to run ospf over a pppoe link. everything works to as
>>> you would expect with ospf except that on the lns side the
>>> virtual-access interface is always in passive mode so it never sends
>>> hellos packets or listens for them. The client side is sending them
>>> out the proper interface. has anyone done this successfully?
>>> 
>>> I can supply config snap shots if that is helpful.
>>> 
>> 
>> OSPF config is needed, but I'd guess you did something like
>> 
>> router ospf 1
>> passive-interface default
>> no passive-interface Virtual-template1
>> 
>> This won't work as the "no passive-interface" is taken literally, the
>> Virtual-Access<n>  (VAI) interfaces will be matched by the
>> "passive-interface default". 
>> 
>> Depending on your IOS version, you could use the "ip ospf area
>> <area>" interface command to enable OSPF (see the "Area Command in
>> Interface 
>> Mode for OSPFv2" feature documentation), and apply this command via
>> Radius/lcp:interface-config in a per-user fashion so only some users
>> will be able to speak OSPF with you. If this doesn't work, you could
>> use a different loopback interface for these users (either a
>> different vtemplate or apply an "ip unnumbered Loopback1" using
>> Radius/lcp:interface-config) and use "network <loopback1-address>
>> 0.0.0.0 area <area>", so all VAI's referencing this loopback will be
>> put into OSPF. Make sure to run OSPF MD5 authentication here..
>> 
>> But, this is just a wild guess ;-)
>> 
>> oli
>> 
>> 
>> 
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