Annotation of embedaddon/bird2/NEWS, revision 1.1

1.1     ! misho       1: Version 2.0.7 (2019-10-11)
        !             2:   o BGP: Accumulated IGP metric (RFC 7311)
        !             3:   o Important filter reconfiguration bugfix
        !             4:   o Several other bugfixes
        !             5: 
        !             6: Version 2.0.6 (2019-09-10)
        !             7:   o RAdv: Solicited unicast RAs
        !             8:   o BGP: Optional Adj-RIB-Out
        !             9:   o BGP: Extended optional parameters length
        !            10:   o Filter: Sets and set expressions in path masks
        !            11:   o Several important bugfixes
        !            12: 
        !            13: Version 2.0.5 (2019-08-01)
        !            14:   o OSPF Graceful restart (RFC 3623, RFC 5187)
        !            15:   o BGP: Dynamic BGP
        !            16:   o BGP: Promiscuous ASN mode
        !            17:   o BGP: Mandatory option for channels
        !            18:   o BFD: Support for VRFs
        !            19:   o Graceful restart command
        !            20:   o Redesigned filtering code
        !            21:   o Many bugfixes
        !            22: 
        !            23:   Notes:
        !            24: 
        !            25:   Previous version introduced an error in handling of OSPF NSSA-LSA, causing
        !            26:   compatibility issues with proper implementations. The error is fixed in this
        !            27:   version, therefore there are compatibility issues in OSPF NSSA areas between
        !            28:   this and previous version.
        !            29: 
        !            30: 
        !            31: Version 2.0.4 (2019-02-27)
        !            32:   o OSPF: Opaque LSAs (RFC 5250)
        !            33:   o OSPF: DN-bit handling (RFC 4576)
        !            34:   o Preferred route counters are back
        !            35:   o Important BGP bugfix
        !            36:   o Several bugfixes related to route propagation
        !            37:   o some minor bugfixes
        !            38: 
        !            39: Version 2.0.3 (2019-01-05)
        !            40:   o MRT table dumps (RFC 6396)
        !            41:   o BGP Long-lived graceful restart
        !            42:   o BGP: Optional import table (Adj-RIB-In)
        !            43:   o BGP: Extend 'next hop keep' and 'next hop self' options
        !            44:   o BGP: Improved VRF support
        !            45:   o OSPF: Authentication trailer for OSPFv3 (RFC 7166)
        !            46:   o Babel: New option to randomize router ID
        !            47:   o Filter: Custom route attributes
        !            48:   o Filter: Support for src accessor to SADR source prefix
        !            49:   o Filter: Support for VPN_RD sets
        !            50:   o Filter: Make ifname attribute modifiable
        !            51:   o Perf: Protocol to measure BIRD performance internally
        !            52:   o More verbose error messages in config processing
        !            53:   o Log file size limit / log rotation
        !            54:   o Many bugfixes
        !            55: 
        !            56:   Notes:
        !            57: 
        !            58:   Export of routes to RS EBGP (route server) sessions from other sources than
        !            59:   RS EBGP sessions was changed that ASN is no longer prepended to BGP_PATH in
        !            60:   that case. The change does not affect regular BGP configurations or regular
        !            61:   route servers that have only RS EBGP peers.
        !            62: 
        !            63:   For BGP route servers and route reflectors, the default value of option
        !            64:   'next hop keep' was changed to a more appropriate value.
        !            65: 
        !            66:   Attributes for OSPF and Babel metrics are no longer reset when exported to
        !            67:   these protocols and could be set anywhere in BIRD. As a result, OSPF metric is
        !            68:   kept when a route is reannounced between OSPF instances. Also, when route is
        !            69:   exported to OSPF with both ospf_metric1 and ospf_metric2 attributes it is now
        !            70:   propagated as OSPF-E2 route instead of as OSPF-E1 route.
        !            71: 
        !            72:   Compiling BIRD with --enable-debug no longer automatically activates debug
        !            73:   mode (-d option) nor local mode (-l option). Also, debug mode with output to
        !            74:   file (-D option) no longer not forces foreground mode (-f option).
        !            75: 
        !            76:   The configure script now uses standard option --runstatedir, the old option
        !            77:   --with-runtimedir is deprecated.
        !            78: 
        !            79: 
        !            80: Version 2.0.2 (2018-03-22)
        !            81:   o Source-specific routing support for Linux kernel and Babel
        !            82:   o BGP: New option 'disable after cease'
        !            83:   o Filter: Allow silent filter execution
        !            84:   o Filter: Fixed stack overflow in BGP mask expressions.
        !            85:   o Several bugfixes
        !            86: 
        !            87:   Notes:
        !            88: 
        !            89:   Syntax prefix:netmask for IPv4 prefixes was dropped. Just use prefix/pxlen.
        !            90: 
        !            91: 
        !            92: Version 2.0.1 (2018-01-16)
        !            93:   o Linux MPLS kernel support
        !            94:   o Better handling of channels inherited from templates
        !            95:   o Default EBGP Route Propagation Behavior without Policies (RFC 8212)
        !            96:   o Many bugfixes
        !            97: 
        !            98:   Notes:
        !            99: 
        !           100:   To satisfy requirements of RFC 8212, external BGP protocols now require
        !           101:   explicit configuration of import and export policies.
        !           102: 
        !           103: 
        !           104: Version 2.0.0 (2017-12-11)
        !           105:   o Integrated IPv4 + IPv6 design
        !           106:   o Support for MPLS next hops
        !           107:   o Support for VPNv4 and VPNv6 networks
        !           108:   o Microsecond timers infrastructure
        !           109:   o Basic VRF support
        !           110:   o Babel: Support for dual-stack IPv4/IPv6
        !           111:   o Babel: Many improvements and bugfixes
        !           112:   o Major BGP protocol redesign
        !           113:   o Full support for Multiprotocol BGP
        !           114:   o BGP multicast support (SAFI 2)
        !           115:   o BGP flowspec support (RFC 5575)
        !           116:   o BGP with MPLS labels (RFC 3107)
        !           117:   o BGP MPLS/VPN support (RFC 4364)
        !           118:   o BGP 6PE - IPv6 NLRI over IPv4 MPLS (RFC 4798)
        !           119:   o BGP IPv4 NLRI with an IPv6 Next Hop (RFC 5549)
        !           120:   o BGP Confederations (RFC 5065)
        !           121:   o BGP Shutdown communication (RFC 8203)
        !           122:   o BGP: Allow exchanging LOCAL_PREF with eBGP peers
        !           123:   o BGP: Allow to specify interface for regular sessions
        !           124:   o OSPF: Support of address families in OSPFv3
        !           125:   o OSPF: Enable ECMP and Link detection by default
        !           126:   o RAdv: Support for more specific routes (RFC 4191)
        !           127:   o RAdv: Proper handling of prefix retraction
        !           128:   o RIP: Enable ECMP and Link detection by default
        !           129:   o Redesign of RPKI handling
        !           130:   o New RPKI-Router protocol
        !           131:   o Static: Minor overhaul
        !           132:   o Static: Support for all new route types
        !           133:   o Kenrel: Default Linux kernel metric changed to 32
        !           134:   o Kernel: Fix IPv6 ECMP handling with Linux 4.11+
        !           135:   o Update of show route command
        !           136:   o BIRD client persistent history
        !           137:   o New build system
        !           138:   o Unit tests
        !           139:   o ...
        !           140: 
        !           141:   Notes:
        !           142: 
        !           143:   Tables are now defined with appropriate net type keyword. Protocols and tables
        !           144:   are now connected by explicit channels, most related protocol options (table,
        !           145:   import, export, ...) are now channel options. See doc/bird.conf.example2 for
        !           146:   configuration examples. Some options were removed/replaced.
        !           147: 
        !           148: 
        !           149: Version 1.6.3 (2016-12-21)
        !           150:   o Large BGP communities
        !           151:   o BFD authentication (MD5, SHA1)
        !           152:   o SHA1 and SHA2 authentication for RIP and OSPF
        !           153:   o Improved documentation
        !           154:   o Several bug fixes
        !           155: 
        !           156: Version 1.6.2 (2016-09-29)
        !           157:   o Fixes serious bug introduced in the previous version
        !           158: 
        !           159: Version 1.6.1 (2016-09-22)
        !           160:   o Support for IPv6 ECMP
        !           161:   o Better handling of IPv6 tentative addresses
        !           162:   o Several updates and fixes in Babel protocol
        !           163:   o Filter: New !~ operator
        !           164:   o Filter: ASN ranges in bgpmask
        !           165:   o KRT: New kernel protocol option 'metric'
        !           166:   o KRT: New route attribute 'krt_scope'
        !           167:   o Improved BIRD help messages
        !           168:   o Fixes memory leak in BGP multipath
        !           169:   o Fixes handling of empty path segments in BGP AS_PATH
        !           170:   o Several bug fixes
        !           171: 
        !           172: Version 1.6.0 (2016-04-29)
        !           173:   o Major RIP protocol redesign
        !           174:   o New Babel routing protocol
        !           175:   o BGP multipath support
        !           176:   o KRT: Add support for plenty of kernel route metrics
        !           177:   o KRT: Allow more than 256 routing tables
        !           178:   o Static: Allow to specify attributes for static routes
        !           179:   o Static: Support for BFD controlled static routes
        !           180:   o FreeBSD: Setup password for BGP MD5 authentication
        !           181:   o IO: Remove socket number limit
        !           182:   o Plenty of bug fixes
        !           183: 
        !           184:   Upgrade notes:
        !           185: 
        !           186:   For RIP, most protocol options were moved to interface blocks.
        !           187: 
        !           188: 
        !           189: Version 1.5.0 (2015-04-20)
        !           190:   o Major OSPF protocol redesign.
        !           191:   o OSPFv2 multi-instance extension (RFC 6549).
        !           192:   o BGP AS-wide unique router ID (RFC 6286).
        !           193:   o BGP enhanced route refresh (RFC 7313).
        !           194:   o Link state support in BGP.
        !           195:   o Latency tracking and internal watchdog.
        !           196:   o Uses high port range for BFD on BSD.
        !           197:   o Increase max symbol length to 64.
        !           198:   o Allows to define unnamed protocols from templates.
        !           199:   o Fixes two serious bugs in BGP.
        !           200:   o Several bugfixes and minor improvements.
        !           201:   o Several minor option changes:
        !           202:      - OSPF: Protocol-wide 'instance id' option added.
        !           203:      - BGP: Parameters to option 'neighbor' extended.
        !           204:      - BGP: Separate option 'interface' added.
        !           205:      - BGP: Option 'start delay time' renamed to 'connect delay time'.
        !           206:      - BGP: Option 'route limit' deprecated.
        !           207: 
        !           208:   Upgrade notes:
        !           209: 
        !           210:   For OSPF, there are deep internal changes, but user-visible changes
        !           211:   are limited to log messages and minor changes in formatting of command
        !           212:   output.
        !           213: 
        !           214:   For BGP, version 1.5.0 is essentially a minor release. There are two
        !           215:   deprecated options ('start delay time' and 'route limit') and some
        !           216:   minor formatting changes.
        !           217: 
        !           218: 
        !           219: Version 1.4.5 (2014-10-06)
        !           220:   o New 'show route noexport' command option.
        !           221:   o Port option for BGP sessions.
        !           222:   o Better constant handling in set literals.
        !           223:   o Better rate filtering of log messages.
        !           224:   o Several minor bugfixes.
        !           225: 
        !           226: Version 1.4.4 (2014-07-09)
        !           227:   o Extended OSPF multipath support.
        !           228:   o Default router preference for RAdv.
        !           229:   o Significant changes in socket layer.
        !           230:   o Important bugfix in BGP.
        !           231:   o Several minor bugfixes.
        !           232: 
        !           233: Version 1.4.3 (2014-04-14)
        !           234:   o Important bugfix in IPv6 BGP.
        !           235: 
        !           236: Version 1.4.2 (2014-04-02)
        !           237:   o Important bugfix in BFD.
        !           238: 
        !           239: Version 1.4.1 (2014-03-31)
        !           240:   o BGP add-path support (RFC draft).
        !           241:   o BGP graceful restart (RFC 4724).
        !           242:   o OSPF: many changes in socket layer.
        !           243:   o OSPF: support for secondary addresses in BSD.
        !           244:   o OSPF: names for vlink pseudointerfaces (vlinkX).
        !           245:   o Several bugfixes.
        !           246: 
        !           247: Version 1.4.0 (2013-11-25)
        !           248:   o BFD protocol (RFC 5880).
        !           249:   o BFD support for OSPF and BGP.
        !           250:   o New 'allow local as' option for BGP.
        !           251:   o Filters allows setting gw, ifname and ifindex.
        !           252:   o Filter operator 'delete/filter' extended to bgp_paths.
        !           253:   o Filter operator 'len' extended to [e]clists.
        !           254:   o BIRD client now allows shorthands for noninteractive commands.
        !           255:   o Flag -P for PID file support.
        !           256:   o Flag -f added to force BIRD to run in foreground.
        !           257:   o Protocol export/import/receive limits are checked during reconfiguration.
        !           258:   o Several bugfixes and minor improvements.
        !           259:   o Several minor but incompatible changes:
        !           260:      - IBGP is multihop by default.
        !           261:      - Changes primary address selection on BSD to the first one.
        !           262:      - Integers in filters are handled as unsigned.
        !           263:      - ISO 8601 time formats used by default.
        !           264:      - Import of device routes from kernel protocol allowed.
        !           265:      - Last state change now tracks just protocol state change.
        !           266:      - Minor changes to default router ID calculation.
        !           267: 
        !           268: Version 1.3.11 (2013-07-27)
        !           269:   o OSPF stub router option (RFC 3137).
        !           270:   o TTL security for OSPF and RIP.
        !           271:   o Protocol packet priority and traffic class handling.
        !           272:   o Multiple routing tables support for FreeBSD and OpenBSD.
        !           273:   o Extends constants to all filter data types.
        !           274:   o Implements eval command.
        !           275:   o 'bgppath ~ int set' filter operation.
        !           276:   o Several bugfixes.
        !           277: 
        !           278: Version 1.3.10 (2013-04-30)
        !           279:   o Lightweight BIRD client for embedded environments.
        !           280:   o Dynamic IPv6 router advertisements.
        !           281:   o New 'next hop keep' option for BGP.
        !           282:   o Smart default routing table for 'show route export/preexport/protocol'.
        !           283:   o Automatic router ID selection could be configured to use address of loopback.
        !           284:   o Allows configured global addresses of NBMA neighbors in OSPFv3.
        !           285:   o Allows BIRD commands from UNIX shell even in restricted mode.
        !           286:   o Route limits inherited from templates can be disabled.
        !           287:   o Symbol names enclosed by apostrophes can contain dots.
        !           288:   o Several bugfixes.
        !           289: 
        !           290: Version 1.3.9 (2013-01-11)
        !           291:   o BIRD can be configured to keep and show filtered routes.
        !           292:   o Separate receive and import limits.
        !           293:   o Several new reconfiguration cmd options (undo, timeout, check).
        !           294:   o Configurable automatic router ID selection.
        !           295:   o Dragonfly BSD support.
        !           296:   o Fixed OSPFv3 vlinks.
        !           297:   o Several minor bugfixes.
        !           298: 
        !           299: Version 1.3.8 (2012-08-07)
        !           300:   o Generalized import and export route limits.
        !           301:   o RDNSS and DNSSL support for RAdv.
        !           302:   o Include in config file support wildcards.
        !           303:   o History deduplication in BIRD client.
        !           304:   o New route attributes krt_source, krt_metric.
        !           305:   o Different instance ID support for OSPFv3.
        !           306:   o Real broadcast mode for OSPFv2.
        !           307:   o Several minor bugfixes.
        !           308: 
        !           309: Version 1.3.7 (2012-03-22)
        !           310:   o Route Origin Authorization basics.
        !           311:   o RIPng working again.
        !           312:   o Extended clist operations in filters.
        !           313:   o Fixes several bugs in BSD iface handling.
        !           314:   o Several minor bugfixes and enhancements.
        !           315: 
        !           316: Version 1.3.6 (2012-01-20)
        !           317:   o Important bugfix in BGP.
        !           318: 
        !           319: Version 1.3.5 (2012-01-10)
        !           320:   o Protocol templates.
        !           321:   o Deterministic MED option for BGP.
        !           322:   o Support for link-local addresses in BGP and static protocols.
        !           323:   o Several bugfixes.
        !           324: 
        !           325: Version 1.3.4 (2011-10-10)
        !           326:   o Static recursive routes.
        !           327:   o Several bugfixes.
        !           328: 
        !           329: Version 1.3.3 (2011-09-11)
        !           330:   o OSPF NSSA.
        !           331:   o BGP extended communities.
        !           332:   o BGP TTL security.
        !           333:   o Configuration option "include" added (based on patch from Alexander V. Chernikov).
        !           334:   o Some minor bugfixes.
        !           335: 
        !           336: Version 1.3.2 (2011-07-08)
        !           337:   o Allows run with restricted privileges.
        !           338:   o Community list filter operation.
        !           339:   o Fixes several problems in filter syntax:
        !           340:      - Fixes several conflicts in the grammar.
        !           341:      - Fixes a bug in (a..b, c) pair patterns.
        !           342:      - Makes pair patterns orthogonal.
        !           343:      - Allows term expressions in pair patterns without additional ( ).
        !           344:      - Allows several comma separated values in switch cases.
        !           345:   o Many bugfixes.
        !           346: 
        !           347: Version 1.3.1 (2011-05-02)
        !           348:   o Added Linux kernel route attributes krt_prefsrc and krt_realm.
        !           349:   o Added BGP option 'med metric' related to MED handling.
        !           350:   o Allows to use constants from /etc/iproute2/rt_* files.
        !           351:   o Several bugfixes.
        !           352: 
        !           353: Version 1.3.0 (2011-03-31)
        !           354:   o Proper iBGP (can be used with IGP).
        !           355:   o Multipath support (OSPF and static).
        !           356:   o L2 link state detection.
        !           357:   o IPv6 router advertisements.
        !           358:   o Much improved OSPF reconfiguration.
        !           359:   o Point-to-MultiPoint interfaces (OSPF).
        !           360:   o Minor changes and improvements in config file grammar.
        !           361:   o Better community list matching.
        !           362:   o Changes default behavior of BGP IPv6 socket to v6only.
        !           363:     Use 'listen bgp dual' for the old behavior.
        !           364:   o Changes default for handling missing link-local addresses on
        !           365:     route servers. Use 'missing lladdr drop' for the old behavior.
        !           366:   o Important bugfix for OSPF.
        !           367:   o Several minor bugfixes.
        !           368: 
        !           369: Version 1.2.5 (2010-10-10)
        !           370:   o Several mostly minor bugfixes.
        !           371: 
        !           372: Version 1.2.4 (2010-08-03)
        !           373:   o Added 'show memory' command.
        !           374:   o Important bugfix in IPv6 BGP.
        !           375:   o Several minor bugfixes.
        !           376: 
        !           377: Version 1.2.3 (2010-06-01)
        !           378:   o Pattern matching for community lists.
        !           379:   o Many fixes in OSPF protocol (esp. in multi-areas and vlinks).
        !           380:   o Several minor bugfixes.
        !           381: 
        !           382: Version 1.2.2 (2010-04-10)
        !           383:   o Much better BSD kernel support (IPv6, alien routes, ...).
        !           384:   o Deep OSPF socket changes, fixes OSPFv2/v3 behavior on BSD.
        !           385:   o OSPFv2 in Linux now supports more non-stub IP prefixes
        !           386:     on one physical iface.
        !           387:   o Export of device routes to the kernel is more restricted.
        !           388:   o Routes with strange scope not allowed in BIRD routing tables.
        !           389:   o New filterable route attributes bgp_originator_id,
        !           390:     bgp_cluster_list and ospf_router_id.
        !           391:   o Restricted read-only CLI (option -r).
        !           392:   o Pattern matching for 'show protocols' command.
        !           393:   o BGP protocol details in 'show protocols all' command.
        !           394:   o Configurable syslog name (and default on IPv6 changed).
        !           395:   o Statistic counters for pipes were fixed.
        !           396:   o Many bugfixes in BGP, OSPF, filters, ...
        !           397: 
        !           398: Version 1.2.1 (2010-02-11)
        !           399:   o Option 'interpret communities' allows to override implicit handling
        !           400:     of well-known communities.
        !           401:   o 'configure' command uses route reload when filters change.
        !           402:   o Adds router ID of advertising router as OSPF route attribute.
        !           403:   o 'show route' command indicates primary route and shows OSPF Router ID.
        !           404:   o Configurable date/time formats.
        !           405:   o Symbol names can be enclosed by '' and so include hyphen and start with number.
        !           406:   o Several minor bugfixes.
        !           407: 
        !           408: Version 1.2.0 (2010-01-05)
        !           409:   o Implements OSPFv3 (IPv6 support for OSPF). Because the code is
        !           410:     shared with OSPFv2 and there were deep changes in it, we suggest
        !           411:     caution during upgrade to OSPF users. Some advanced features
        !           412:     (like NSSA, vlinks and authentication) are not yet implemented.
        !           413:   o Implements MRTdump - binary logging protocol compatible with other
        !           414:     routing daemons. Only BGP part of MRTdump is yet implemented.
        !           415:   o Changes default value of BGP attribute LOCAL_PREF from 0 to 100.
        !           416:     Use 'default bgp_local_pref 0' BGP protocol option for the old
        !           417:     behavior. The new value is suggested by RFC 4277.
        !           418:   o Changes default mode of pipes from opaque to transparent.
        !           419:     Use 'mode opaque' protocol option if the old behavior is needed.
        !           420:     Opaque pipe mode is deprecated and might be removed in the future.
        !           421: 
        !           422: Version 1.1.7 (2009-12-20)
        !           423:   o Implements BGP Route Refresh (RFC 2918).
        !           424:   o Implements route reload command.
        !           425:   o Deep changes and bugfixes in pipe protocol.
        !           426:   o Bugfix in OSPF premature aging of LSA.
        !           427:   o Bugfix in OSPF next hop calculation.
        !           428:   o Bugfix in core related to route withdraws.
        !           429:   o Several minor bugfixes.
        !           430: 
        !           431: Version 1.1.6 (2009-11-19)
        !           432:   o Implements RFC 5004 - prefer older external routes.
        !           433:   o There is a change how route servers handle missing IPv6 link
        !           434:     local addresses in next hop atribute - see 'missing lladdr'
        !           435:     option.
        !           436:   o Several minor features (description field, parse check option).
        !           437:   o Several minor bugfixes.
        !           438: 
        !           439: Version 1.1.5 (2009-10-29)
        !           440:   o Better scalability of BGP.
        !           441:   o New accessors for AS path - first and last.
        !           442:   o Allows to set protocol-specific router ID.
        !           443:   o Allows import kernel 'onlink' routes.
        !           444:   o Endianity check in buildsystem changed.
        !           445: 
        !           446: Version 1.1.4 (2009-10-02)
        !           447:   o BGP passive option.
        !           448:   o Several minor bugfixes.
        !           449: 
        !           450: Version 1.1.3 (2009-09-11)
        !           451:   o Bugfix in core
        !           452:   o Bugfix in BGP related to AS2->AS4 conversion.
        !           453: 
        !           454: Version 1.1.2 (2009-08-23)
        !           455:   o Allow more kernel routing tables in IPv6.
        !           456:   o Bugfix in core
        !           457: 
        !           458: Version 1.1.1 (2009-08-14)
        !           459:   o 'more' style paging in BIRD client.
        !           460:   o Important core bug fixed.
        !           461:   o Portability to non-x86 related bugfixes.
        !           462:   o As usual, miscellaneous bugfixes.
        !           463: 
        !           464: Version 1.1.0 (2009-06-28)
        !           465:   o Parametrized pair and path mask expressions in the filter language.
        !           466:   o Transparent pipe mode allows to implement BGP route server with
        !           467:     independent route policy for each peer.
        !           468:   o Kernel route table synchronization does not allow overwriting
        !           469:     of alien routes.
        !           470:   o Configurable BGP import route limits.
        !           471:   o During BGP error delay, incoming connections are rejected.
        !           472:   o BGP route statistics.
        !           473:   o Better support for multiple network addresses on OSPF interfaces.
        !           474:   o As usual, miscellaneous bugfixes.
        !           475: 
        !           476: Version 1.0.15 (2009-05-25)
        !           477:   o FreeBSD and NetBSD port renewed. OpenBSD port introduced.
        !           478:   o import/preimport 'show route' modifiers was renamed to export/preexport
        !           479:     for consistency with filters.
        !           480:   o Minor change in the grammar of 'interface' config option.
        !           481:   o Many bugfixes in IPv6 BGP.
        !           482:   o As usual, miscellaneous bugfixes.
        !           483: 
        !           484: Version 1.0.14 (2009-04-28)
        !           485:   o A lot of bugfixes in BGP, OSPF and core.
        !           486:   o A bugfix in filters in the pipe protocol. It is recommended to
        !           487:     check whether the new behavior of used pipe filters is consistent
        !           488:     with expectations.
        !           489:   o Reimplementation of prefix sets and a slight change in the meaning
        !           490:     of some prefix set patterns.
        !           491: 
        !           492: Version 1.0.13 (2009-03-14)
        !           493:   o A lot of bugfixes in BGP, OSPF and core
        !           494:   o A new syntax for BGP masks
        !           495: 
        !           496: Version 1.0.12 (2008-11-12)
        !           497:   o new BGP features: BGP MD5, ASN32, BGP route reflector
        !           498:   o BGP bugfixes
        !           499: 
        !           500: ...
        !           501: 
        !           502: Version 1.0.9 (2004-07-15)
        !           503:   o  Minor bugfix in RIP
        !           504:   o  A lot of OSPF code rewritten, OSPF supports multiple areas,
        !           505:      virtual links, MD5 authentication. It is fully compatible
        !           506:      with rfc2329.
        !           507: 
        !           508: Version 1.0.8 (2004-06-07)
        !           509:   o  A lot of bug fixes in RIP, OSPF and BGP (thanx to Andreas Steinmetz)
        !           510:   o  FreeBSD and NetBSD port introduced
        !           511:   o  Complete code clean up
        !           512: 
        !           513: Version 1.0.7 (2003-08-20)
        !           514:   o  OSPF bug fixes
        !           515: 
        !           516: Version 1.0.6 (2003-04-06)
        !           517: 
        !           518:   o  No more byte order problems in RIP authentication. Thanks to
        !           519:      Eric Leblond <eleblond@init-sys.com> for a patch.
        !           520:   o  Fixed interoperability problems with Cisco and Zebra when talking
        !           521:      IPv6 BGP.
        !           522:   o  Handle more primary addresses with different scopes gracefully.
        !           523:      IPv6 needs that.
        !           524:   o  Comparison of prefixes in filters doesn't ignore their lengts.
        !           525:   o  As usually, OSPF bug fixes.
        !           526:   o  Documentation building tools now work with recent linuxdoc-tools.
        !           527: 
        !           528: Version 1.0.5 (2001-06-09)
        !           529: 
        !           530:   o  Minor cleanups in the libraries.
        !           531:   o  Removed a couple of warnings when compiling with newer glibc.
        !           532:   o  OSPF bug fixes.
        !           533: 
        !           534: Version 1.0.4 (2000-09-04)
        !           535: 
        !           536:   o  Fixed a serious bug in 1.0.3.
        !           537: 
        !           538: Version 1.0.3 (2000-09-03)
        !           539: 
        !           540:   o  OSPF works better on NBMA networks. Some configuration tags added.
        !           541: 
        !           542: Version 1.0.2 (2000-08-24)
        !           543: 
        !           544:   o  Minor bug fixes to OSPF.
        !           545: 
        !           546: Version 1.0.1 (2000-06-22)
        !           547: 
        !           548:   o  Updated documentation and fixed a couple of bugs.
        !           549: 
        !           550: Version 1.0.0 (2000-06-09)
        !           551: 
        !           552:   o  First stable release.
        !           553: 
        !           554: Version 0.0.0 (2000-05-13)
        !           555: 
        !           556:   o  First public development release.

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