Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Alex Bligh
--On 5 July 2011 14:48:04 +0100 Matthew Walster wrote: On 5 July 2011 14:30, Alex Bligh wrote: OK, what I meant was this. Redistribution into an NSSA creates (from memory) type 7 LSAs. I can't do that (or indeed any redistribution) into a stub area, as I'm only permitted LSA types 1, 2, 3 a

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Matthew Walster
On 5 July 2011 14:30, Alex Bligh wrote: > OK, what I meant was this. Redistribution into an NSSA creates > (from memory) type 7 LSAs. I can't do that (or indeed any > redistribution) into a stub area, as I'm only permitted > LSA types 1, 2, 3 and 4 in a stub. STUB: No Type 5. TSSA: No Type 3/4/5,

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Alex Bligh
--On 5 July 2011 15:55:05 +0200 Ondrej Zajicek wrote: On Tue, Jul 05, 2011 at 02:30:04PM +0100, Alex Bligh wrote: However, a normal "interface" route (i.e. an attached network) would create a type 2 LSA in a stubby area. That is not true - type 2 LSA is created only for non-stub network,

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Ondrej Zajicek
On Tue, Jul 05, 2011 at 02:30:04PM +0100, Alex Bligh wrote: > However, a normal "interface" route (i.e. an attached network) > would create a type 2 LSA in a stubby area. That is not true - type 2 LSA is created only for non-stub network, with at least two routers. Stub networks are just part of t

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Alex Bligh
Ondrej, As all my routes are directly connected, my plan was simply to redistribute into OSPF. You mean export them to OSPF as external routes? Yes, that is probably the best solution, having too many stub networks have problems (large LSAs) and limits (about several thousands stub networks by

Re: as_path question

2011-07-05 Thread Ondrej Zajicek
On Tue, Jul 05, 2011 at 04:21:51PM +0400, Mikhail A. Grishin wrote: > Moreover, this prefix (94.228.160.0/20) was filtered and not accepted > because of this BIRD structure: > # Apply as_path filters on the last AS (originated route) > allas = [ 15905, 34211, 41206, 44116, 44893, 47773, 48467,

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Ondrej Zajicek
On Tue, Jul 05, 2011 at 10:09:57AM +0100, Alex Bligh wrote: > > > --On 5 July 2011 11:16:21 +0200 Ondrej Zajicek > wrote: > >> No, it is completely pointless. This is one thing i would like to fix >> soon. If you have a static list of IP/prefixes, one workaround is to >> activate OSPF just on no

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Ondrej Zajicek
On Tue, Jul 05, 2011 at 11:09:54AM +0100, Neil Wilson wrote: > On Tue, 2011-07-05 at 11:16 +0200, Ondrej Zajicek wrote: > > No, it is completely pointless. This is one thing i would like to fix > > soon. If you have a static list of IP/prefixes, one workaround is to > > activate OSPF just on non-st

Re: as_path question

2011-07-05 Thread Ondrej Zajicek
On Tue, Jul 05, 2011 at 01:07:39PM +0100, Matthew Walster wrote: > 2011/7/5 Mikhail A. Grishin : > > What purpose of  '{' and '}' at BGP.as_path output? > > It indicates an "AS Set" - some aggregation happened, the longer > routes of which were in the two ASNs in the brackets. Yes > > Why at 'sh

Re: as_path question

2011-07-05 Thread Arnold Nipper
on 05.07.2011 14:21 Mikhail A. Grishin wrote: > Matthew Walster wrote, 05.07.2011 16:07: >> 2011/7/5 Mikhail A. Grishin: >>> What purpose of '{' and '}' at BGP.as_path output? >> >> It indicates an "AS Set" - some aggregation happened, the longer >> routes of which were in the two ASNs in the brac

Re: as_path question

2011-07-05 Thread Mikhail A. Grishin
Matthew Walster wrote, 05.07.2011 16:07: 2011/7/5 Mikhail A. Grishin: What purpose of '{' and '}' at BGP.as_path output? It indicates an "AS Set" - some aggregation happened, the longer routes of which were in the two ASNs in the brackets. Why at 'show route' we see only '[i]'? (expected to

Re: as_path question

2011-07-05 Thread Matthew Walster
2011/7/5 Mikhail A. Grishin : > What purpose of  '{' and '}' at BGP.as_path output? It indicates an "AS Set" - some aggregation happened, the longer routes of which were in the two ASNs in the brackets. > Why at 'show route' we see only '[i]'? (expected to see the first AS in > as_path) IMO, it

as_path question

2011-07-05 Thread Mikhail A. Grishin
Hi, Ordinary as_path from 'show route all' output usually looks like: - 78.153.135.0/24via 193.232.244.186 on bce1 [R48467x1 2011-07-04 16:16:21] (100) [AS44116i] Type: BGP unicast univ BGP.origin: IGP BGP.as_path: 48467 44116 44116 BG

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Neil Wilson
On Tue, 2011-07-05 at 11:16 +0200, Ondrej Zajicek wrote: > No, it is completely pointless. This is one thing i would like to fix > soon. If you have a static list of IP/prefixes, one workaround is to > activate OSPF just on non-stub interfaces/prefixes and add stub > prefixes using 'stubnet' option

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Alex Bligh
--On 5 July 2011 11:16:21 +0200 Ondrej Zajicek wrote: No, it is completely pointless. This is one thing i would like to fix soon. If you have a static list of IP/prefixes, one workaround is to activate OSPF just on non-stub interfaces/prefixes and add stub prefixes using 'stubnet' option.

Re: Open socket on OSPF Stub interfaces

2011-07-05 Thread Ondrej Zajicek
On Mon, Jul 04, 2011 at 03:20:33PM +0100, Neil Wilson wrote: > Hi, > > Is there a way of turning off the socket listen for OSPF interfaces > marked as 'stub'? > > At the moment I'm running up against the 1024 open file limit on servers > (such as VM hosts) with lots of interfaces. > > I could a