Annotation of embedaddon/bird2/NEWS, revision 1.1.1.1
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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