707b76d795
Reverting probing of neigh entry. There is a timing where
probe and remote macip add request comes at the same time resulting
in neigh to remain in local state event though it should be remote.
In mobility case, the host moves to remote VTEP, first MAC only type-2
route is received which triggers a PROBE of neighs (associated to MAC).
PROBE request can go via network port to remote VTEP.
PROBE request picks up local neigh with MAC entry's outgoing port is
remote VTEP tunnel port.
The PROBE reply and MAC-IP (containing IP) almost comes same time at
DUT.
DUT first processes remote macip and installs neigh as remote.
Followed by receives neigh as REACHABLE which marks neigh as LOCAL.
FRR does have BPF filter which does not allow its own netlink request
to receive. Otherwise frr's request to program neigh as remote can move
neigh from local to remote.
Though ordering can not be guranteed that REACHABLE (PROBE's repsonse)
can come at anytime and move it to LOCAL.
This fix would not suffice the needs of converging LOCAL inactive neighs
to remove from DB. As mobility draft sugges to PROBE local neigh when
MAC moves to remote but it is not working with current framework.
Ticket:CM-22864
This reverts commit
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FRRouting
FRR is free software that implements and manages various IPv4 and IPv6 routing protocols. It runs on nearly all distributions of Linux and BSD as well as Solaris and supports all modern CPU architectures.
FRR currently supports the following protocols:
- BGP
- OSPFv2
- OSPFv3
- RIPv1
- RIPv2
- RIPng
- IS-IS
- PIM-SM/MSDP
- LDP
- BFD
- Babel
- PBR
- OpenFabric
- VRRP
- EIGRP (alpha)
- NHRP (alpha)
Installation & Use
For source tarballs, see the releases page.
For Debian and its derivatives, use the APT repository at https://deb.frrouting.org/.
Instructions on building and installing from source for supported platforms may be found in the developer docs.
Once installed, please refer to the user guide for instructions on use.
Community
The FRRouting email list server is located here and offers the following public lists:
| Topic | List |
|---|---|
| Development | dev@lists.frrouting.org |
| Users & Operators | frog@lists.frrouting.org |
| Announcements | announce@lists.frrouting.org |
For chat, we currently use Slack. You can join by clicking the "Slack" link under the Participate section of our website.
Contributing
FRR maintains developer's documentation which contains the project workflow and expectations for contributors. Some technical documentation on project internals is also available.
We welcome and appreciate all contributions, no matter how small!
Security
To report security issues, please use our security mailing list:
security [at] lists.frrouting.org