FRRouting Release 10.4.3 [Download]

Mar 2, 2026

FRRouting Release 10.4.3 Available for Download

Debian Packages - https://deb.frrouting.org

RPM Packages - https://rpm.frrouting.org

Snaps - https://snapcraft.io/frr

Docker - quay.io/frrouting/frr

What’s Changed

bgpd: Do not crash if we receive a next-hop length not as expected for NHC (backport #20367) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20371
bgpd: update source address for bgp neighbor (backport #20330) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20373
Alpine Docker fix ups for 3.22 (backport #20004) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20380
docker: Add missing pytest package for Alpine as dependency (backport #20369) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20392
bgpd: Use the default local-preference value and not 0 when adjusting (backport #20400) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20408
eigrpd: Prevent crash in packet handling (backport #20410) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20412
zebra: Fix memory leak when SRv6 explicit SID allocation fails (backport #20429) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20439
zebra: Fix memory leak when SRv6 dynamic SID allocation fails (backport #20445) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20449
isisd: fix crash when changing isis type (backport #20171) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20459
ripd: Fix default-route accept and announce (backport #20416) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20472
Revert RIP/RIPng default flush timer change (backport #20456) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20477
ospfd: fixed ospf nssa flush issue (backport #20428) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20500
zebra: EVPN check l3vni vxlan intf exist in rmac install (backport #20494) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20496
bgpd: Fix multipath decision when multipath is 1 (backport #20493) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20505
pimd, pim6d: display iface ssm mode (backport #20466) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20523
bgpd: Prevent unnecessary re-install of routes (backport #19788) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20536
bgpd: remove assert in batch-clearing (backport #20546) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20549
pimd: compute inherited_olist before checking for (S,G,rpt) prune dec… (backport #20521) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20551
bgpd: reduce ibuf_work ring buffer size (backport #20554) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20570
zebra: fix crash on inactive VRF and import table (backport #20525) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20561
pimd: Keep track of how long the S,G rpt Prune has been around (backport #20576) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20584
Send register in fhr lhr case (backport #20575) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20582
pimd, tests: Add pim test showing that registers work with no path -> rp (backport #20577) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20595
zebra: FRR restart leads to zebra mlag core (backport #20225) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20672
pimd: regiface added to ssm group mroute (backport #20303) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20670
bgpd: Fix double-free crash in peer_delete() during doppelganger peer… (backport #20661) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20683
staticd: Fix SRv6 SID use-after-free on locator deletion (backport #20660 for 10.4) by @cscarpitta in https://github.com/FRRouting/frr/pull/20702
bgpd:send EOR during GR only when fib install comeplete for suppress … by @vijayalaxmi-basavaraj in https://github.com/FRRouting/frr/pull/20396
bgpd: fix md5 password unset on dynamic nbr (backport #20740) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20743
bgpd: Ignore transitiveness flag when checking type for link bandwidth (backport #20607) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20751
bgpd: EVPN MH fix unimport ES route on vtep change (backport #20730) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20774
Zebra fixup nhg handling from kernel (backport #20732) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20782
bgpd: validate incoming NOTIFICATION messages (backport #20796) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20808
bgpd: fix premature deletion of already-stale routes during GR clearing (backport) by @ton31337 in https://github.com/FRRouting/frr/pull/20805
Multiple local fix (backport #20798) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20817
bgpd: improve flowspec NLRI validation (backport #20814) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20827
tests: Stop several tests from running on old branch (backport #20823) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20832
zebra: EVPN fix access BD deref of mbr intf (backport #20791) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20835
Fix ospf checksum #20706 (backport #20729) by @mergify[bot] in https://github.com/FRRouting/frr/pull/20842