39df629ac8
In a PIM MLAG setup (say L11<->L12 is the anycast VTEP pair) the RP can choose to join either MLAG switch as the anycast VTEP-IP is present on both. Let's say the RP joins L11. Hosts are dual connected to L11<->L12 and can send traffic to either switch. Let's say a host sends broadcast traffic to L12; now L12 must encapsulate and send the traffic toward L11. To do that the origination-mroute on L12 must include the ISL in its OIL - (36.0.0.9, 239.1.1.100) Iif: peerlink-3.4094 Oifs: peerlink-3.4094 L11 has a similar mroute - (36.0.0.9, 239.1.1.100) Iif: peerlink-3.4094 Oifs: peerlink-3.4094 uplink-1 This mroute is used to rx traffic on peerlink-3.4094 and send it out of uplink-1. Note that this mroute also includes the peerlink-rif in its OIL. Explicit removal of IIF from OIL is done by the kernel (and other dataplanes) to prevent traffic looping. Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.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
- EIGRP (alpha)
- NHRP (alpha)
Installation & Use
Packages are available for various distributions on our releases page.
Snaps are also available here.
Instructions on building and installing from source for supported platforms may be found here.
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