We are pleased to announce FRR 7.5.1. This is a maintenance release of FRR 7.5 with lots of bug fixes.

Debian Packages - https://deb.frrouting.org/ RPM Packages - https://rpm.frrouting.org/ Snaps - https://snapcraft.io/frr

Changelog

Babel

• Fix connected route leak on change

BFD

• Fix some memory leaks & handling issues
• Fix mishandling of VRFs in some situations when receiving packets
• Fix occasional error in session lookup

BGP

• Fix issues with peers inheriting peer-group properties
• Fix erroneous BMP Peer Down Reason Code in BMP Peer Down message when peering fails due to nexthop tracking
• Fix evpn route-map vni filter at origin
• Fix various memory leaks in show commands
• Fix issues with encoding flowspec rules to zebra in some rare circumstances
• Fix issues parsing community and lcommunity values in some circumstances
• Fix handling of aggregator data when the AGG AS is 0
• Fix local routes using non-default distance
• Properly track if the nexthop was updated in some circumstances
• Properly withdraw exported routes when deleting a VRF
• Properly apply route-map for the default-originate command
• Properly handle neighbor peer-group allowas-in config changes
• Cleanup show running when running bgp with -e X values
• Prevent v6 routes with v4 nexthops from being installed
• Prevent attempt to peer peers reachable via blackholes
• Allow peer-groups to configure ttl-security hops
• Allow default-originate to be cleared from a peer group
• Generate statistics for routes in bgp when we have exactly 1 route

EIGRP

• Fix various memory leaks and use of uninitialized data
• Properly set MTU for egress EIGRP packets

ISIS

• Fix various memory leaks and use of uninitialized data
• When last area address is removed, resign if we were the DR

LDP

• Fix various memory leaks and use of uninitialized data

NHRP

• Use onlink routes when prefix == nh
• Shortcut routes are installed with proper nexthop

OSPFv2

• Prevent duplicate packet read in multiple VRF situation
• Fix area removal at interface level
• Restore Point to MultiPoint interface types
• Correctly handle MTU change on startup
• Fix multi-instance initialization sometimes not succeeding
• Fix nssa translate-always not working properly

OSPFv3

• Fix various memory leaks and use of uninitialized data
• Fix Link LSA not updating when router priority is modified
• Fix output from show commands
• Fix intra area remote connected prefixes sometimes not being installed
• Prevent sending hellos on loopback interfaces
• Improve ECMP handling when a sub-path is removed

PBR

• Fix various memory leaks and use of uninitialized data

PIM

• Fix various memory leaks and use of uninitialized data
• Fix (S,G,Rpt) prune received during prune not overriding holdtime

Static routes

• Fix issues with VRF usage on startup in some instances
• Fix tableid being mishandled in some cases

VTYSH

• Disable bracketed paste in readline

WATCHFRR

• Fix various memory leaks and use of uninitialized data

Zebra

• Fix various memory leaks and use of uninitialized data
• Fix routes getting stuck in Queued state when using the FPM
• Always install blackhole routes using kernel routes instead of nexthops
• Improve handling of VRF creation when using network namespaces
• Dissallow resolution to duplicate nexthops that created infinite nexthops
• Allow set src X to work on startup
• Set NUD_NOARP on sticky mac entries in addtion to NTF_STICKY

FRR Library

• Fix various memory leaks
• Fix VRF creation in some instances
• Fix issues handling RPKI when reloading configs
• Fix issues handling route-map configuration

Snapcraft

• Update to using rtrlib 0.7.0
• Fix passthrough path for Libyang 1.x

Docker

• Remove old dependencies from Alpine image