3d68661d7b
Issue: Client---LHR---RP 1. Add kernel route for RP on LHR. Client send join 2. (*,G) will be get created in LHR and RP. 3. Kill the FRR on all the nodes 4. Start FRR only on LHR node 5. In LHR, (*, G) will be created with iif as unknown. Root cause: In the step 4, When LHR will receive igmp join, it will call the function pim_ecmp_fib_lookup_if_vif_index which will look for nexthop to RP with neighbor needed as false. So RPF lookup will be true as the route is present in the kernel. It will create a (*, G) channel_oil with incoming interface as the RPF interface towards RP and install the (*,G) mroute in kernel. Along with this (*,G) upstream gets craeted, which call the function pim_rpf_update, which will look for the nexthop to RP with neighbor needed as true. As the frr is not running in RP, no neighbor is present on the nexthop interface. Due to which this will fail and will update the channel_oil incoming interface as MAXVIFS(32). Fix: pim_ecmp_fib_lookup_if_vif_index() call the function pim_ecmp_nexthop_lookup with neighbor_needed as true. 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 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