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Donatas Abraitis 8bcaad3ded bgpd: Use IEEE-754 Floating Point for storing extcommunity bandwidth
https://datatracker.ietf.org/doc/html/draft-ietf-idr-link-bandwidth-07 says:

The bandwidth of the link is expressed as 4
   octets in IEEE floating point format, units being bytes (not bits!)
   per second.  It is carried in the Local Administrator subfield of the
   Value Field.

Before:

```
	  Extended Community (16), length: 8, Flags [OT]:
	    unknown extd community typecode (0x0004), Flags [none]
	      0x0000:  0004 fdeb 0001 e848
	    0x0000:  0004 fdeb 0001 e848
	  Updated routes:
	    172.16.16.1/32
```

0001 e848 - means 125000 (1Mbps), which is encoded incorrect.

After:

```
	  Extended Community (16), length: 8, Flags [OT]:
	    unknown extd community typecode (0x0004), Flags [none]
	      0x0000:  0004 fdeb 47f4 2400
	    0x0000:  0004 fdeb 47f4 2400
	  Updated routes:
	    172.16.16.1/32
```

47f4 2400 - means the same, but in floating point format.

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
2021-08-29 21:10:27 +03:00
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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