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bgpd: Update bmp.rst documentation

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added documentation for the current state of the bmp implementation

Signed-off-by: Maxence Younsi <mx.yns@outlook.fr>
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Maxou 2022-08-08 20:34:45 +02:00 committed by Maxence Younsi
parent 6da477b395
commit 8557a13689
1 changed files with 48 additions and 3 deletions
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51
doc/user/bmp.rst
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@ -36,8 +36,8 @@ The `BMP` implementation in FRR has the following properties:
successfully. OPEN messages for failed sessions cannot currently be
mirrored.
- **route monitoring** is available for IPv4 and IPv6 AFIs, unicast and
multicast SAFIs. Other SAFIs (VPN, Labeled-Unicast, Flowspec, etc.) are not
- **route monitoring** is available for IPv4 and IPv6 AFIs, unicast, multicast
EVPN and VPN SAFIs. Other SAFIs (VPN, Labeled-Unicast, Flowspec, etc.) are not
currently supported.
- monitoring peers that have BGP **add-path** enabled on the session will
@ -57,6 +57,51 @@ The `BMP` implementation in FRR has the following properties:
- monitoring peers with :rfc:`5549` extended next-hops has not been tested.
RFC 7854
========
Unsupported features (non exhaustive):
- Per-Peer Header
- Peer Type Flag
- Peer Distingsher
- Peer Up
- Reason codes (according to TODO comments in code)
Peer Type Flag and Peer Distinguisher can be implemented easily using RFC 9069's base code.
RFC 9069
========
Everything that isn't listed here is implemented and should be working.
Unsupported features (should be exhaustive):
- Per-Peer Header
- Timestamp
- set to 0
- value is now saved `struct bgp_path_info -> locrib_uptime`
- needs testing
- Peer Up/Down
- VRF/Table Name TLV
- code for TLV exists
- need better RFC understanding
- Peer Down Only
- Reason code (bc not supported in RFC 7854 either)
- Statistics Report
- Stat Type = 8: (64-bit Gauge) Number of routes in Loc-RIB.
- Stat Type = 10: Number of routes in per-AFI/SAFI Loc-RIB. The value is
structured as: 2-byte AFI, 1-byte SAFI, followed by a 64-bit Gauge.
Starting BMP
============
@ -146,7 +191,7 @@ associated with a particular ``bmp targets``:
Send BMP Statistics (counter) messages at the specified interval (in
milliseconds.)
.. clicmd:: bmp monitor AFI SAFI <pre-policy|post-policy>
.. clicmd:: bmp monitor AFI SAFI <pre-policy|post-policy|loc-rib>
Perform Route Monitoring for the specified AFI and SAFI. Only IPv4 and
IPv6 are currently valid for AFI. SAFI valid values are currently