d0bf49ecd5
Abstract: - The command "neighbor PEER maximum-prefix-out NUMBER" cannot be applied without clearing the BGP neighbor. - Apply the maximum-prefix-out value as soon as it is modified without clearing the neighbor. subgroup_update_packet() and subgroup_withdraw_packet() respectively manages the announcement and withdrawal BGP message to the peer. subgrp->scount counter counts the number of sent prefixes. Before the patch, the maximum out prefix limitation was applied in subgroup_update_packet() in order that subgrp->scount never exceeds the limit. Setting a limit inferior to the effective number of sent prefix did not result in sending any withdrawal message to reduce the number of sent prefixes. Without clearing the BGP neighbor, the limitation only applied to the announcement of new prefixes when the limitation was over. With the patch, the limitation is checked in subgroup_announce_check(). The function is intended to say whether a prefix has to be announced in regards to the prefix-list, route-map... Now when a maximum-prefix-out value is changed/removed, the neighbor AFI/SAFI table is re-parsed in the same way as for the application of route-map, prefix-lists... Signed-off-by: Louis Scalbert <louis.scalbert@6wind.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