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Yash Ranjan 17ab36c6c4 ospf6d: Send Link LSAs when interface priority is changed
As per the ospfv3 conformance test 24.3

SETUP: Configure DIface-0 with priority set to <hprty>.
ANVL: Establish full adjacency with DUT for neighbor Rtr-0-A on DIface-0.
DUT: Exchange all the <OSPF-DD> packets, during adjacency establish- ment.
ANVL: Verify that the received <OSPF-DD> packets contain: • one header of Link-LSA, originated by DUT.
ANVL: Send <OSPF-LSR> packet from neighbor Rtr-0-A to DIface-0 con- taining:
• One Request Tuple for Link-LSA originated by DUT.
ANVL: Listen (for upto 2 * <RxmtInterval> seconds) on DIface-0. DUT: Send <OSPF-LSU> packet.
ANVL: Verify that the received <OSPF-LSU> packet contains:
• •
one Link-LSA, originated by DUT, contains: Rtr Pri field set to <hprty>.
----------
When interface priority is changed Link LSAs should be tranmitted
with the priority set.

When the link priorty chanages, the drbdr algorithm is called, which
can change the state of the interface. But if the state does not
changes then LINK LSAs are not transmitted.

This PR fixes this issue. If the state is changed, then LINK LSAs
will anyways be tranmitted. But in case the state is not changed,
even in that case Link LSAs are tranmitted.

Signed-off-by: Yash Ranjan <ranjany@vmware.com>
2021-05-02 10:19:16 -07:00
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Icon

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