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We are pleased to announce the official release of OpenBGPD 4.0.
OpenBGPD is a fairly complete implementation of the Border Gateway

Protocol, Version 4, as described in RFC 1771. BGP is a protocol used

by routers to exchange routing information, and is one of the core

protocols of the Internet.
Highlights include:

* full support for the BGP protocol as defined in RFC 1771

* full support for tcp md5 signatures (RFC 2385)

* full ipsec integration, with both static and dynamic keying supported

* pf and CARP integration

* communities support (RFC 1997)

* route refresh (RFC 2918)

* capabilities advertisement (RFC 3392)

* low memory footprint

* kernel routing table can be coupled and decoupled any time

* easy, straightforward configuration language

* very good performance

* easy to use bgpctl program, to control bgpd at runtime

* complete and accurate manpages
Improvements since OpenBGPD 3.9 include:

* new nexthop selection logic ignoring bgpd routes, helps in complex setups

  with ospfd

* add a "detailed" show rib view to bgpctl, including communities

* allow requesting a route refresh from a peer that supports it

* have bgpd always report back the result of an operation to bgpctl, so the

  operator can spot errors quicker

* allow bgpd to manipulate carp demotion counters based on session states,

  gives even greater failover support

* support restarting sessions that reached max-prefix after a given time

* bgpctl can now show all routes received from a neighbor before filters

  were applied, and routes sent to neighbors

* assorted fixes and improvements, as usual 
OpenBGPD is in use in many production environments, with dozens to

hundreds of peers.
OpenBGPD 4.0 comes with OpenBSD 4.0, or can be downloaded seperately

from one of the mirrors listed at http://www.openbgpd.org/.
OpenBGPD is developed as part of the OpenBSD project, which offers CDs,

T-Shirts and Posters. Sales of these items help funding OpenBGPD

development. Orders can be placed via

  http://www.openbsd.org/orders.html
OpenBGPD is primarily written by Claudio Jeker and Henning Brauer.

Parts of the design were done by Andre Oppermann. Many thanks to him, the

whole OpenBSD developer base and especially Theo de Raadt for their

continued help and support.
MD5 (openbgpd-4.0.tgz) = aced25bd206de43738f9be9c87a6a322
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