On 10/19/2016 5:26 PM, John Kemp wrote:
> We usually disable zebra. Something like a route server.
we commonly do the same.
> Not sure if this hits other folks as a default behavior, but...
> we get thousands of warning messages like:
>
> sendmsg_nexthop: Can't send NH register, Zebra client not established
>
> Recommended approach on this one?
set log level to notification, or if you can recompile, delete the log
message.
Lou
> John Kemp
>
> ---
>
> bgpd/bgp_nht.c:
>
> 387 static void
> 388 sendmsg_nexthop (struct bgp_nexthop_cache *bnc, int command)
> 389 {
> 390 struct stream *s;
> 391 struct prefix *p;
> 392 int ret;
> 393
> 394 /* Check socket. */
> 395 if (!zclient || zclient->sock < 0)
> 396 {
> 397 zlog_debug("%s: Can't send NH register, Zebra client not
> established",
> 398 __FUNCTION__);
> 399 return;
> 400 }
>
>
>
> On 10/18/16 7:50 AM, Paul Jakma wrote:
>> Quagga 1.1.0 has been released, available from the usual place:
>>
>> https://download.savannah.gnu.org/releases/quagga/
>>
>> This is a release with a number of new features, and many bug fixes.
>> Notably:
>>
>> * Greatly improved nexthop resolution for recursive routes. (Cumulus)
>> * Event driven nexthop resolution for BGP (Cumulus)
>> * Route tags support (Piotr Chytła, Packet Consulting)
>> * Transport of TE related metrics over OSPF, IS-IS (Olivier Dugeon, Orange)
>> * IPv6 Multipath for zebra and BGP (Ayan Banerjee, Cumulus)
>>
>> This release also changed the default of 'link-detect' state,
>> controlling whether zebra will respond to link-state events and
>> consider an interface to be down when link is down. To retain current
>> the behavior save your config before updating, otherwise remove the
>> 'link-detect' flag from your config prior to updating. There is also a
>> new global 'default link-detect (on|off)' flag to configure the global
>> default.
>>
>> This release includes the security fixes of the 1.0.20161017 release.
>>
>> Thanks to all the contributors, who include:
>>
>> Andrej Ota <[email protected]>
>> Avneesh Sachdev <[email protected]>
>> Ayan Banerjee <[email protected]>
>> Balaji <[email protected]>
>> Boian Bonev <[email protected]>
>> boris yakubov <[email protected]>
>> Christian Franke <[email protected]>
>> Christian Franke <[email protected]>
>> Colin Petrie <[email protected]>
>> Daniel Walton <[email protected]>
>> David Lamparter <[email protected]>
>> Denil Vira <[email protected]>
>> Dinesh Dutt <[email protected]>
>> Donald Sharp <[email protected]>
>> Evgeny Uskov <[email protected]>
>> Igor Ryzhov <[email protected]>
>> Jafar Al-Gharaibeh <[email protected]>
>> James Li <[email protected]>
>> Jonathan Hart <[email protected]>
>> kitty <[email protected]>
>> Lou Berger <[email protected]>
>> Matthieu Boutier <[email protected]>
>> Olivier Dugeon <[email protected]>
>> Paul Jakma <[email protected]>
>> Paul Jakma <[email protected]>
>> Paul Jakma <[email protected]>
>> Pawel Wieczorkiewicz <[email protected]>
>> Philippe Guibert <[email protected]>
>> Piotr Chytła <[email protected]>
>> Pradosh Mohapatra <[email protected]>
>> Roman Hoog Antink <[email protected]>
>> Stas Nichiporovich <[email protected]>
>> Timo Teräs <[email protected]>
>> Udaya Shankara KS <[email protected]>
>> Vipin Kumar <[email protected]>
>> Vivek Venkatraman <[email protected]>
>>
>> See the full changelog available at the above URL for further details.
>> A summary of the changes are as follows:
>>
>> bgp: add "debug bgp allow-martians" next hops and related code/commands
>> bgp: bgp_nexthop init/free AFI_ETHER related NH tables
>> bgpd: Add a null check in bgp_address_del() function when connected
>> addresses are removed.
>> bgpd: add aspath_aggregate_mpath that preserves path length
>> bgpd: Add [bestpath|multipath] option to 'show ip bgp x.x.x.x'
>> bgpd: Add clear command to force a bestpath recalculation and
>> re-advertisement of a prefix
>> bgpd: Add flag to not change e{u,g}id on startup and run as
>> unprivileged user
>> bgpd: Addition of bgp dampening configuration commands under
>> IPv4/multicast
>> bgpd: Addition of dampening show commands under v4 unicast/multicast tree
>> bgpd: Add new configuration cli for graceful restart.
>> bgpd: Alow gracefull shutdown of peers
>> bgpd: atomic-aggregate is lost when we aggregate another aggregate that
>> has atomic-aggregate
>> bgpd: bgp_nexthop_cache not deleted with peers
>> bgpd: Correct a few fuzz failures in BGP
>> bgpd: crash if attributes alone consume > 4096 bytes
>> bgpd: Display BGP paths with unreachable nexthops as invalid
>> bgpd: ditch unused bgp_node_*() functions
>> bgpd: divorce router-id logic from CLI & zebra
>> bgpd, doc: Allow route-map policy modifications to also affect route
>> reflectors.
>> bgpd, doc, lib, zebra: nexthop-tracking in zebra
>> bgpd: don't count a route with an unreachable nexthop in PfxRcd
>> bgpd: Enable support for BGP IPV6 multipath.
>> bgpd: Fix aggregation issues found via ANVL
>> bgpd: Fix BGP_INFO_ATTR_CHANGED being cleared incorrectly
>> bgpd: fix BGP IPv6 route map error
>> bgpd: Fix buffer overflow error in bgp_dump_routes_func
>> bgpd: Fix code path that leads to uninitialized variables
>> bgpd: Fix crash in 'show ip bgp nexthop'
>> bgpd: fix MRT table dumps for locally-originated routes
>> bgpd: Fix NHT race with Connect leading to test tool issues
>> bgpd: fix off-by-one in attribute flags handling
>> bgpd: Fix 'show bgp ipv4 vpnv4 statistics' cli.
>> bgpd: Fix use after free in aspath_prepend with confeds
>> bgpd: fix wrong help strings of "match peer" and "no match peer" commands
>> bgpd: flag paths for multipath if we RX link-local and global nexthops
>> bgpd: iBGP multipath is broken if 'bgp deterministic-med' is enabled.
>> bgpd: implement admin distance
>> bgpd: Improve peer scaling
>> bgpd: IPv6 Multipath broken with nexthop global address
>> bgpd, lib: Clarify the different permutations of soft clearing a peer
>> bgpd, lib, ospfd, zebra: Add ability to read/write tag value
>> bgpd: Make aspath_highest 4-byte compatible for private AS
>> bgpd: Make "no redistribute" always remove the redistribute statement
>> bgpd: Make source interface selection in BGP for nexthop determination
>> more robust
>> bgpd: Make the private AS number check 4 byte compatible.
>> bgpd: minor header/API clean up
>> bgpd, ospfd, ospf6d, ripd, ripngd, zebra: 'set metric -12' is broken in
>> the parser
>> bgpd: Removed unused variable from 'struct attr_extra'
>> bgpd: Remove unused and leaking code
>> bgpd, ripngd, zebra: Remove duplicate PSIZE define
>> bgpd: Show more meaningful outq value in 'show ip bgp summary' output.
>> bgpd: Squash spurious "unknown afi" log messages
>> bgpd: Support matching on local preference in route-map
>> bgpd, vtysh: Add support for route tags
>> bgpd, zebra: Use next hop tracking for connected routes too
>> bgp: fix warning in bgp_nht.c
>> bgp: ignore NHT when bgpd has never connected zebra
>> bgp: restore missing check from original ignore NHT change
>> build: detect and create AM_SILENT_RULES macro if needed
>> build/pimd: remove special shell scripts
>> build: remove werror from buildtest.sh for now
>> build: support for "development build"
>> build: Test for features.h and move include to lib/zebra.h
>> build: turn off automake portability warnings
>> config: Remove unused library check
>> doc: add blurb on use of protobuf with FPM
>> doc: Add isisd.texi to quagga_TEXINFOS so it gets in dist tarball
>> doc: Update documentation for Traffic Engineering
>> fpm: Add protobuf support for FPM.
>> isisd: Add support of Traffic Engineering
>> isisd: API: area (L1), domain (L2) passwords
>> isisd: API: basic area config
>> isisd: API: basic circuit config
>> isisd: API: circuit password
>> isisd: API: LSP-MTU & area level
>> isisd: API: timers (IIH, CSNP, PSNP)
>> isisd: API: timers (LSP, SPF)
>> isisd: cleanup isis_circuit_lookup, errant from TE changes?
>> isisd: drop unused per-type metric values
>> isisd: fix a crash due to an lsp-mtu issue
>> isisd: fix an error that was probably a result of copypasting
>> isisd: fix assert warning
>> isisd: fix isis_circuit_af_set() on fresh circuit
>> isisd: fix isis_circuit_create()
>> isisd: fix is_type_set
>> isisd: fix network-type configuration
>> isisd: Fix size of malloc
>> isisd: fold up isis_circuit_is_type_set()
>> isisd: ignore unknown interfaces when adjusting IS-IS mtu
>> isisd: make sure that all interface addresses are advertised
>> isisd: Segmentation fault on isis daemon fixes
>> isisd: warn if there is an MTU issue on circuits
>> isisd: work around route table asserts for deleting node with info
>> *: Consolidate all double VIEW_NODE and ENABLE_NODE's
>> *: Fix duplicate commands from view/enable node consolidation
>> *: get rid of "MTYPE 0"
>> *: Remove C99ism, CI system runs builds with CFLAGS and compilers that
>> barf
>> *: Remove some for statement declarations
>> *: Widen width of Zserv routing tag field.
>> lib: Abstract fd set operations
>> lib: add AF_ETHERNET/AFI_ETHER
>> lib: add api method to read current config path
>> lib: add event_counter
>> lib: Add new if_link_params structure
>> lib: Allow zclient do-over of connect on initial attempt
>> lib: change command logging to be off by default
>> lib: consolidate ntohf/htonf from ospfd/isisd TE to lib/network
>> lib: Consolidate VIEW_NODE to be ENABLE_NODE as well
>> lib: dump memory stats on core
>> lib: fix memory leak in zprivs_caps_init
>> lib: fix MIN/MAX macros to not double-eval
>> lib: Fix priviledge modification for vty group specified
>> lib: Fix regression in thread.c
>> lib: IEC559 tests are fragile, reduce to warning rather than error.
>> lib: keep hash of node's commands to detect duplicate installs
>> lib: Make distribute.c accepts both v4 and v6.
>> lib: Refactor read/write functionality
>> lib: Refactor thread_process_fd
>> lib: Remove unnecessary parentheses
>> lib: Replace lists with arrays to store read and write threads
>> lib: simplify distribute.c's code.
>> lib/stream: add float/double <-> IEEE-754 single/double mux/demuxers
>> lib: update Solaris multicast API (BZ#725)
>> lib: use constant to replace magic value for length of quagga_timestamp
>> opsf6d: Update router-LSA when nbr's interface-ID changes
>> ospf6d: Adding the initialization check in ospfv3_clean()
>> ospf6d: Add the missing ospf6 running check in show cmds
>> ospf6d: don't access nexthops out of bounds
>> ospf6d: Fix double increment of Sequence Number
>> ospf6d: Fixing a couple of issues with ospf6_route_remove () routine.
>> ospf6d: Fix loss of hello's on interface
>> ospf6d: fix off-by-one on display of spf reasons
>> ospf6d: implement admin distance
>> ospf6d: LA (local-address) bit related inter-op fix.
>> ospf6d, ripd, vtysh: Fix "no set metric" for ospf6 and RIP
>> ospf6d: Support for 'clear ipv6 ospf6 interface [ifname]
>> ospf6d: We should accept long form of "no redistribute"
>> osfd: Make OSPF compliant to the last sentence of this section in RFC 2328
>> ospfd: Add support Router Capabilities support to OSPF
>> ospfd: Don't wait for state change to Exchange to start LSReq
>> ospfd: fix - correct neighbor index on changing/p2p/virtual links
>> ospfd: Fix no ip ospf hello-interval
>> ospfd: fix non-zero metric when describing loopback addresses
>> ospfd: Make destination of p2p to multicast for LS-ACKS
>> ospfd: "show ip ospf neighbor" header spacing
>> ospfd: Support for 'clear ip ospf interface [IFNAME]'
>> ospfd: Update Traffic Engineering support
>> ospfd, vtysh: Add support for Route tags
>> pimd: Fix hang when doing nexthop lookup from zebra
>> pimd: send pim prune via correct interface when rpf upstream interface
>> for a source changes
>> qpb: Add support for protobuf.
>> release: Bump version to 1.1.0
>> ripd: code simplification for redistribution.
>> ripd: Fix Null pointer dereference
>> ripd, ripngd: add support for route tags
>> ripd: split-horizon default differed between rip_interface_new and _reset
>> ripngd: code simplification for redistribution.
>> tests: Fix testbgpmpattr and make check, broken by BGP NHT.
>> Use only the ISC license for .proto files.
>> vtysh: Add ability to only look at one processes work queue
>> vtysh: Add support of new link-params CLI
>> vtysh: auto-generated vtysh_cmd.c file should depend on its creator
>> vtysh: Make ipv6 unicast/multicast address-family work
>> vtysh: service integrated-vtysh-config not being written to file
>> zebra: *addattr should use size_t len args, quell signed v unsigned
>> warning
>> zebra: Add check to notice when an interface is unnumbered
>> zebra: Add command to configure default for link-state, and make it sticky
>> zebra: add developer test functions for FPM code
>> zebra: Add internal support for route tags
>> zebra: Add link parameters support to Zebra
>> zebra: add missing vty commands
>> zebra: add support for route tags
>> zebra: count iface up/down events and keep last time of their occurrence
>> zebra: Dissallow outside programs to delete Quagga routes
>> zebra: Enable fpm module to connect to remote fpm server
>> zebra: fix crash caused by using route-map with "set src"
>> zebra: Fix incorrectly flagged nexthop
>> zebra: Fix some warnings found during compile.
>> zebra: Gather and display detailed info about clients of Zebra
>> zebra: handle multihop nexthop changes properly
>> zebra: ipv6 multipath support
>> zebra: optionally use protobuf with FPM
>> zebra: Set link-detect on by default
>> zebra: stack overrun in IPv6 RA receive code (CVE-2016-1245)
>> zebra: Suppress displaying default config as part of running config
>> zebra: Update news with the status of link-detect and the global default
>> zserv: [pimd] fix - avoid dereferencing a NULL pointer
>>
>> regards,
>> -- Paul Jakma | [email protected] | @pjakma | Key ID: 0xD86BF79464A2FF6A
>> Fortune:
>> Imbalance of power corrupts and monopoly of power corrupts absolutely.
>> -- Genji
>>
>>
>>
>> _______________________________________________
>> Quagga-dev mailing list
>> [email protected]
>> https://lists.quagga.net/mailman/listinfo/quagga-dev
>>
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