![]() When OSPFd starts, there is 2 possible scenarios for Segment Routing: 1/ Routes associated to Prefixes are not yet available i.e. Segment Routing LSA are received before LSA Type 1. In this case, the function ospf_sr_nhlfe_update() is triggered when a new SPF is launch. Thus, neighbors and output label are always synchronise with the routing table. 2/ Routes are already available i.e. LSA Type 1 are received before Segment Routing LSA, in particular the Router Information which contains the SRGB. During nhlfe computation, perfixes are leave with incomplete configuration, in particular, the SR nexthop is set to NULL. If this scenario is handle through the function update_out_nhlfe (triggered when SRGB is received or modified from a neighbor node), the output label is not correctly configured as the nexthop SR node associated to the prefix has been leave to NULL. This patch correct this problem by calling the function compute_nhlfe() when the nexthop SR Node associated to the prefix is NULL within the update_out_nhlfe() function. Thus, we guarantee that the SR prefix is always correctly configuration indpedently of the scenario i.e. arrival of the different LSA. Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com> |
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version.h |
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