We usually disable zebra. Something like a route server.
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?
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 <and...@ota.si>
> Avneesh Sachdev <avne...@sproute.com>
> Ayan Banerjee <a...@cumulusnetworks.com>
> Balaji <balaji...@gmail.com>
> Boian Bonev <bbo...@ipacct.com>
> boris yakubov <borisyaku...@ruggedcom.com>
> Christian Franke <ch...@opensourcerouting.org>
> Christian Franke <nob...@nowhere.ws>
> Colin Petrie <cpet...@ripe.net>
> Daniel Walton <dwal...@cumulusnetworks.com>
> David Lamparter <equi...@opensourcerouting.org>
> Denil Vira <de...@cumulusnetworks.com>
> Dinesh Dutt <dd...@cumulusnetworks.com>
> Donald Sharp <sha...@cumulusnetworks.com>
> Evgeny Uskov <e...@qrator.net>
> Igor Ryzhov <iryz...@nfware.com>
> Jafar Al-Gharaibeh <ja...@atcorp.com>
> James Li <j...@cumulusnetworks.com>
> Jonathan Hart <j...@onlab.us>
> kitty <khiruthigai.balasubraman...@hpe.com>
> Lou Berger <lber...@labn.net>
> Matthieu Boutier <bout...@pps.univ-paris-diderot.fr>
> Olivier Dugeon <olivier.dug...@orange.com>
> Paul Jakma <paul.ja...@hpe.com>
> Paul Jakma <p...@jakma.org>
> Paul Jakma <p...@opensourcerouting.org>
> Pawel Wieczorkiewicz <pwieczorkiew...@suse.de>
> Philippe Guibert <philippe.guib...@6wind.com>
> Piotr Chytła <p...@packetconsulting.pl>
> Pradosh Mohapatra <pmoha...@cumulusnetworks.com>
> Roman Hoog Antink <r...@open.ch>
> Stas Nichiporovich <s...@iptel.by>
> Timo Teräs <timo.te...@iki.fi>
> Udaya Shankara KS <shankara.k....@gmail.com>
> Vipin Kumar <vi...@cumulusnetworks.com>
> Vivek Venkatraman <vi...@cumulusnetworks.com>
>
> 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 | p...@jakma.org | @pjakma | Key ID: 0xD86BF79464A2FF6A
> Fortune:
> Imbalance of power corrupts and monopoly of power corrupts absolutely.
> -- Genji
>
>
>
> _______________________________________________
> Quagga-dev mailing list
> Quagga-dev@lists.quagga.net
> https://lists.quagga.net/mailman/listinfo/quagga-dev
>
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