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818 commits

Author SHA1 Message Date
Ondrej Zajicek 165a622727 Adds support for fallback to capabilityless BGP connect 
When capability related error is received, next connect will be
without capabilities. Also cease error subcodes descriptions
(according to [RFC4486]) are added.
 2008-12-24 17:24:41 +01:00
Ondrej Zajicek 591211557f Fixes bug related to reconfiguration of BGP. 
BGP keeps its copy of configuration ptr and didn't update it during
reconfiguration. But old configuration is freed during reconfiguration.
That leads to unnecessary reset of BGP connection during reconfiguration
(old conf is corrupted and therefore different) and possibly other strange
behavior.
 2008-12-24 12:18:10 +01:00
Ondrej Zajicek 11b32d9117 Major changes to BGP 
Fixes two race conditions causing crash of Bird, several unhandled
cases during BGP initialization, and some other bugs. Also changes
handling of startup delay to be more useful and implement
reporting of last error in 'show protocols' command.
 2008-12-19 01:34:39 +01:00
Ondrej Zajicek 3f670371cf OSPF routes appeared with random value of ospf_tag attribute. 
This patch fixes it.
 2008-11-14 21:13:56 +01:00
Ondrej Zajicek aebe06b40c Proper format functions for ORIGINATOR_ID, CLUSTER_LIST 2008-11-08 23:33:22 +01:00
Ondrej Zajicek b21f68b4cd Fix bugs in OSPF MD5 authentication. First bug is that default 
values for MD5 password ID changed during reconfigure, Second
bug is that BIRD chooses password in first-fit manner, but RFC
says that it should use the one with the latest generate-from.

It also modifies the syntax for multiple passwords.
Now it is possible to just add more 'password' statements
to the interface section and it is not needed to use
'passwords' section. Old syntax can be used too.
 2008-11-08 17:24:23 +01:00
Ondrej Zajicek fd91ae3325 Fix problem with local time changes. 2008-11-05 22:36:49 +01:00
Ondrej Zajicek 1389f3699f Fixes bugs in IPv6 code caused by recent commits. 2008-11-05 21:39:04 +01:00
Ondrej Zajicek a39b165e45 Multihop BGP was completely broken, because listening socket has always 
ttl 1.
 2008-11-01 16:58:40 +01:00
Ondrej Zajicek a92fe60717 Implementation of route server. 2008-11-01 12:55:43 +01:00
Ondrej Zajicek e16466b379 Fix race condition that breaks BGP connections after reconfigure. 
RFC says that only connections in OpenConfirm and Established state
should participate in connection collision detection.

The current implementation leads to race condition when both sides
are trying to connect at the almost same time, then both sides
receive OPEN message by different connections at the almost same
time and close the other connection. Both connections are
closed and the both sides end in  start/idle or start/active
state.
 2008-10-29 14:16:34 +01:00
Ondrej Zajicek f0ad56f441 Fixes some sloppiness of commit a3b70dc499. 2008-10-28 16:10:42 +01:00
Ondrej Zajicek a98fbf0f12 Merge branch 'dev' into out 2008-10-27 00:20:22 +01:00
Ondrej Zajicek a3b70dc499 Two new informative CLI commands for OSPF. 
Two new CLI commands for OSPF giving nice informative (and still machine
parsable) representation of OSPF network graph (based on datas from the
LSA database).

The first command (show ospf topology) shows routers, networks and stub
networks, The second command (show ospf state) shows also external
routes and area-external networks and routers propagated by given area
boundary router.
 2008-10-27 00:03:30 +01:00
Ondrej Zajicek 52586ccdf1 Missing newline. 2008-10-26 23:53:05 +01:00
Ondrej Zajicek a97122a3ca Bugfix in LSA origination for PTP OSPF links. 
The code generating LSAs for PTP OSPF links is buggy. The old behavior
is that it generates PTP link if there is a full/ptp neighbor and stub
link if there isn't. According to RFC 2328, the correct behavior is to
generate stub link in both cases (in the first case together with PTP
link).

And because of buggy detection of unnumbered networks, for numbered
networks the code creates stub links with 0.0.0.0/32.
 2008-10-26 23:43:13 +01:00
Ondrej Zajicek b6bf284a90 Bugfixes in MULIT_EXIT_DISC attribute handling. 
- Old MED handling was completely different from behavior
   specified in RFCs - for example they havn't been propagated
   to neighboring areas.

 - Update tie-breaking according to RFC 4271.

 - Change default value for 'default bgp_med' configuration
   option according to RFC 4271.
 2008-10-26 22:59:21 +01:00
Ondrej Zajicek 4819c3e17a Bugfix in LOCAL_PREF attribute handling. 2008-10-26 22:54:23 +01:00
Ondrej Zajicek ba5ed6f3e4 Implementation of an option for disabling AS4 support per BGP instance. 2008-10-26 22:48:02 +01:00
Ondrej Zajicek 4847a894bf Implementation of route reflection for BGP 2008-10-26 22:45:09 +01:00
Ondrej Zajicek d51aa28190 Implementation of MD5 authentication of BGP sessions. 2008-10-26 22:42:39 +01:00
Ondrej Zajicek 11cb620266 Implementation of 4B ASN support for BGP 2008-10-26 22:36:08 +01:00
Ondrej Filip 226cb2bc3f Expand ospf dump information. 2008-08-25 12:51:06 +00:00
Ondrej Filip 73e53eb555 Endianity problem in debug message fix. 2008-08-25 12:00:55 +00:00
Ondrej Filip 85ae398a61 The source address configuration in BGP added. 2008-08-24 23:20:46 +00:00
Ondrej Filip f39e3bfdbf Small bugfix in tracing. 2005-03-15 23:42:41 +00:00
Ondrej Filip 94c42054ea Added new parametr 'rx buffer <num>'. BIRD is able to receive 
very large packets (if configured).
 2005-03-15 22:06:36 +00:00
Ondrej Filip e6ea2e375e Maximal packet size in virtual links is 576. 2005-03-15 20:51:33 +00:00
Ondrej Filip e300066d5f OSPF can accept larger packets than MTU. 2005-03-14 11:24:56 +00:00
Ondrej Filip 427e59939b Look for large packets. 2005-03-14 11:07:10 +00:00
Ondrej Filip a2d5b405d4 Bugfix in external routes calculation. 2005-03-14 10:59:52 +00:00
Ondrej Filip 39fc85b4c6 Unused code deleted. 2005-02-20 19:03:34 +00:00
Ondrej Filip 63ca37f313 Cleanup - all unused variables deleted. 2005-02-20 18:56:06 +00:00
Ondrej Filip 52d61a8498 Intelligent reconfiguration should work again. 2005-02-20 16:54:09 +00:00
Ondrej Filip dafaef9ba9 Originate default route into stub areas. 2005-02-20 16:53:06 +00:00
Ondrej Filip d8c7d9e884 Since now I can also use 'dead interval', not just 'dead counter'. 2005-02-20 04:27:56 +00:00
Ondrej Filip 7de7470a2a Bugfix - count courrectly next hop on single hop virtual link. 2005-02-20 03:37:47 +00:00
Ondrej Filip 6eb4b73fe8 Time of neighbor's dead was not shown correctly. 2005-02-20 03:30:44 +00:00
Ondrej Filip 5506c82ce6 Bugfix in previous bugfix. 2005-02-18 19:36:32 +00:00
Ondrej Filip 60e04f0413 Minor bugfix: Summary LSA for aggregated area was always propagated with 
metric = 1. Now it's metric of most distant component.
 2005-02-18 18:51:42 +00:00
Ondrej Filip 27a1e3ac35 Minor bugfixes in routing table calsulation. 2005-02-15 16:17:42 +00:00
Ondrej Filip 8ffc753441 Minor changes to keep gcc happy. 2005-02-15 06:32:31 +00:00
Ondrej Filip 2eef9e887a Be more verbose in log. 2005-02-14 21:34:46 +00:00
Ondrej Filip b181f444a6 Small changes to reduce number of warnings. 2005-02-14 11:54:16 +00:00
Ondrej Filip 5d3f555234 Many bugfixes in routing table calculation and summary LSA origination. 2005-02-13 23:36:31 +00:00
Ondrej Filip 89ba9a1806 Bugfix in inter-area route calculation and summary LSA origination. 
Bugfix of some debugging commands.
 2005-02-12 22:22:18 +00:00
Ondrej Filip bae7c43ff3 Bugfix in password acceptance 2005-02-12 22:19:46 +00:00
Ondrej Filip 9912fa51c8 Bugfix - cost of interface can be larger than 0xffff 2005-02-12 22:18:48 +00:00
Ondrej Filip 4991756863 Dont check netmask field on PTP links. 2004-09-15 19:33:01 +00:00
Ondrej Filip c6dce04bed Bugfix. 2004-09-08 16:04:02 +00:00
Ondrej Filip 7715f9d9ed Bugfix in config.y 2004-08-10 17:47:32 +00:00
Ondrej Filip 56e2a4b776 Bugfix in OSPF - BIRD sometimes failed during rt calculation with VLINKs. 2004-08-05 18:06:30 +00:00
Ondrej Filip 8d94a524b6 Added handling of STUB bool. 2004-07-16 08:27:11 +00:00
Ondrej Filip 002ecc0638 Bugfix - bird needed double ';' after rfc1583compat. 2004-07-16 07:22:43 +00:00
Ondrej Filip 004cf4fc0c Minor bugfix to compile bird in IPv6. 2004-07-15 17:28:13 +00:00
Ondrej Filip b37bb5ce03 Minor bugfix - add interface routes. 2004-07-15 16:48:12 +00:00
Ondrej Filip 28e8d862b7 Minor bugfix in calculation of external routes. 2004-07-15 16:42:06 +00:00
Ondrej Filip 86c84d76b7 Huge OSPF database redesign. Since now, all LSAs of all areas 
are in single database. This avoids duplication of external LSAs and
fixes bug in external LSA distribution.
 2004-07-15 16:37:52 +00:00
Ondrej Filip 3b16080c97 Multiple OSPF areas can be attached. 
Origination of summary LSA works.
Routing table calculation works.
Virtual links works.

Well, I hope, OSPF is fully compatible with RFC2328!!!!
 2004-07-14 21:46:20 +00:00
Ondrej Filip a417ad13a1 Send hello just after interface is up. 
This makes the adjacency forming faster.
Minor code clean up.
 2004-07-13 23:42:14 +00:00
Ondrej Filip 897999c22a Send hello as soon as possible after the interface is up. 
This helps to faster establish the adjacency.
 2004-07-13 23:31:37 +00:00
Ondrej Filip 490767adfc Add more reasonable options to LSAs. (But it seems, that it's ignored.) 2004-07-13 22:10:14 +00:00
Ondrej Filip fe1489e6c1 Bugfix: Router was unable to advertise AS external routes. 2004-07-13 22:04:57 +00:00
Ondrej Filip 62eee82321 Default tick = 1. The today's CPU is fast enough. 2004-07-13 21:27:33 +00:00
Ondrej Filip 35fdf4b6a2 Don't inform us about every ospf_age() 2004-07-13 21:22:32 +00:00
Ondrej Filip 16c2d48d8f Bugfix - RIP now updates routes with worse metric. 2004-07-13 20:53:56 +00:00
Ondrej Filip bc956fcab6 MD5 authentication in OSPF works. :-) 2004-07-13 14:46:14 +00:00
Ondrej Filip 32d3228d86 Bugfix in simple authentification. 2004-07-13 13:52:54 +00:00
Ondrej Filip 12dd8dc877 Bugfix - nasty bug in router LSA origination - Router did not describe all interfaces. 2004-07-13 12:21:24 +00:00
Ondrej Filip 621ccdfe5a Bugfix - options bits were not included in LSAs 
Bugfix - E bit was not unset on stub areas.
 2004-07-13 11:58:50 +00:00
Ondrej Filip 9baece57d3 Syntax bugfix. 2004-07-08 16:56:49 +00:00
Ondrej Filip 69b27ed6fd Length calculation bugfix. 2004-07-01 15:01:44 +00:00
Ondrej Filip bc4ea680ce Hello reading bugfix. 2004-07-01 15:01:04 +00:00
Ondrej Filip ea357b8b6d Update of the documentation. (passwords and md5). 
Option for md5 auth in config.
 2004-06-26 22:52:39 +00:00
Ondrej Filip 3e2bd0f17a Md5 authentification added (unsested). 
Packet receiving clean up.
 2004-06-26 20:15:34 +00:00
Ondrej Filip 5236fb03af Password management redesigned (untested). 2004-06-26 20:11:14 +00:00
Ondrej Filip 98ac61766d A lot of changes: 
- metric is 3 byte long now
	- summary lsa originating
	- more OSPF areas possible
	- virtual links
	- better E1/E2 routes handling
	- some bug fixes..

I have to do:
	- md5 auth (last mandatory item from rfc2328)
	- !!!!DEBUG!!!!! (mainly virtual link system has probably a lot of bugs)
	- 2328 appendig E
 2004-06-25 16:39:53 +00:00
Ondrej Filip 5ed68e46d7 Small typo changes. 2004-06-23 23:59:48 +00:00
Ondrej Filip 973cf09c3b Hotfix to problem with metric change reported by Luca. 2004-06-23 21:36:55 +00:00
Ondrej Filip 3fe5f89907 P->magic used just in LOCAL_DEBUG mode 2004-06-23 21:34:26 +00:00
Ondrej Filip b4d8a0c280 Some cisco routers send shorter ospf messages in larger packets. 
Well it's strange, but, actually it's correct.
 2004-06-16 23:01:49 +00:00
Ondrej Filip 1a61882d37 Better routing table calculation. We are ready to work with 
multiple OSPF areas.
 2004-06-11 09:36:50 +00:00
Ondrej Filip b1f7229ad7 Better adjacency building, some minor bugfixes. 2004-06-11 09:34:48 +00:00
Ondrej Filip 7df86c25fc Better checking of configuration. 2004-06-09 12:39:49 +00:00
Ondrej Filip e02652a7d2 Bugfix in RT calculation. 2004-06-07 16:42:48 +00:00
Ondrej Filip 541cbe9763 It was too verbose. 2004-06-07 12:52:32 +00:00
Ondrej Filip 5e3436d20f Cleanup in packet.c. Deleted unused parameters. 2004-06-06 19:53:52 +00:00
Ondrej Filip d5d9693ce9 Deleted unused parameters. 2004-06-06 18:45:08 +00:00
Ondrej Filip cd09226078 Be sure, that ospf_area is aged before routing table calculation. 2004-06-06 17:03:56 +00:00
Ondrej Filip 933bfdde2a Keep al lSAs invalidated. 2004-06-06 16:14:57 +00:00
Ondrej Filip b8f17cf192 Small cleanup, indentation and preparation for multiple areas routing table calculation. 2004-06-06 16:00:09 +00:00
Ondrej Filip d631698ec8 Indentation. 2004-06-06 14:27:11 +00:00
Ondrej Filip d8d553cadf This warning is stupid. 2004-06-06 14:25:55 +00:00
Ondrej Filip 2e10a170fe Indentation. 2004-06-06 09:37:54 +00:00
Ondrej Filip 66261211a9 Struct area_net changed. 2004-06-06 09:13:37 +00:00
Ondrej Filip b9ed99f738 Cleanup in iface.c 2004-06-06 08:55:33 +00:00
Ondrej Filip a5918961f3 Be more verbose in troubles. 2004-06-06 08:12:42 +00:00
Ondrej Filip 66004c91a8 Set size of the buffers. (Thanx MJ.) 2004-06-05 15:02:52 +00:00
Martin Mares 9831e5916f Staticized lots of local functions. 2004-06-05 09:58:23 +00:00
Martin Mares 598b984d1f One less unused variable. 2004-06-05 09:58:06 +00:00