8b462d5579
Topology Used: ============= Cisco---FRR4----FRR2 Initially PIM nbr is down between FRR4----FRR2 from FRR2 side Cisco is sending BSR packet to FRR4. Problem Statement: ================= No shutdown the PIM neighbor on FRR2 towards FRR4. FRR2, receives BSR packet immediately as the new neighbor comes up. This BSR packet is having no-forward bit set. FRR2 is not able to process the BSR packet, and drop the BSR packet. Root Cause: ========== When PIMD comes up, we start BSM timer for 60 seconds. Here, the value accept_nofwd_bsm is setting to false. FRR2, when receives no-forward BSR packet, it is getting accept_nofwd_bsm value as false. So, it drops, the no-forward BSM packet. Fix: === Set accept_nofwd_bsm as false after first BSM packet received. Signed-off-by: Sarita Patra <saritap@vmware.com> |
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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 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