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Zebra NHT marks RFC5549 IPv6 link-local next-hops "inaccessible" after netlink churn (Cilium restart) and withdraws default route from kernel

triageNeeds further investigationNeeds further investigation

Status: Open.

#21033 In FRRouting/frr;

· cmdrrobin opened on Mar 6, 2026

Zebra installs the wrong nexthop into kernel in 6(v)PE scenario

triageNeeds further investigationNeeds further investigation

Status: Open.

#21031 In FRRouting/frr;

· zsoltkrenak opened on Mar 6, 2026

OSPFv3 can get stuck after startup/reconnect: neighbor Full but routes not installed until manual clear process

triageNeeds further investigationNeeds further investigation

Status: Open.

#21010 In FRRouting/frr;

· florath opened on Mar 5, 2026

NHRP tunnels fail to re-establish after GRE source interface reconnect

Status: Open.

#21006 In FRRouting/frr;

· zpericic opened on Mar 5, 2026

bgp: routes are removed immediately when BGP is down for first time on the peer side without honoring the GR restart timer. The subsequent BGP DOWN/UP is working fine with GR settings

Status: Open.

#20995 In FRRouting/frr;

· mobalakr opened on Mar 3, 2026

vtysh zebra crash when configure interface

triageNeeds further investigationNeeds further investigation

Status: Open.

#20992 In FRRouting/frr;

· iluffk opened on Mar 3, 2026

Zebra reinstall BGP routes when interface comes back up even when BGP session is down

triageNeeds further investigationNeeds further investigation

Status: Open.

#20981 In FRRouting/frr;

· kpetremann opened on Mar 2, 2026

bgpd: heap-use-after-free in encap_unintern()

bgp

bug

Status: Open.

#20874 In FRRouting/frr;

· xer0times opened on Feb 18, 2026

bgpd routes are not always removed when executing /usr/libexec/frr/frrinit.sh stop

bgp

triageNeeds further investigationNeeds further investigation

Status: Open.

#20861 In FRRouting/frr;

· SvenVD-be opened on Feb 17, 2026

ospf6d: Link-LSA not re-originated when router-id changes during startup, breaking nexthop resolution

triageNeeds further investigationNeeds further investigation

Status: Open.

#20856 In FRRouting/frr;

· andreibleortu opened on Feb 16, 2026

unhelpful messages on some route related bgp comands

triageNeeds further investigationNeeds further investigation

Status: Open.

#20824 In FRRouting/frr;

· XANi opened on Feb 13, 2026

OSPF: Incorrect RFC2328 implementation: lost default

triageNeeds further investigationNeeds further investigation

Status: Open.

#20770 In FRRouting/frr;

· dl001 opened on Feb 11, 2026