vyos/vyos-documentation
1
0
Fork 0
mirror of https://github.com/vyos/vyos-documentation.git synced 2025-11-03 04:12:03 +01:00
Code Issues Packages Projects Releases Wiki Activity

BFD: Added explanation on the purpose

Browse Source
This commit is contained in:
maehdros 2021-01-12 21:58:28 +01:00 committed by GitHub
parent f379d91963
commit 16852e808e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
docs/configuration/protocols/bfd.rst
View File

@ -9,6 +9,12 @@ BFD
:abbr:`BFD (Bidirectional Forwarding Detection)` is described and extended by :abbr:`BFD (Bidirectional Forwarding Detection)` is described and extended by
the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`. the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`.
In the age of very fast networks, a second of unreachability may equal millions of lost packets.
The idea behind BFD is to detect very quickly when a peer is down and take action extremely fast.
BFD sends lots of small UDP packets very quickly to ensures that the peer is still alive.
This allows avoiding the timers defined in BGP and OSPF protocol to expires.
Configure BFD Configure BFD
============= =============