OSPF key id - valid range?

Ondrej Zajicek santiago at crfreenet.org
Tue Feb 25 17:21:57 CET 2020


On Mon, Feb 03, 2020 at 03:47:45PM +0000, Kenth Eriksson wrote:
> What is the valid range for OSPF key id? RFC 2328 seems to allow 0-255, 
> but bird manual says that valid range is 1-255.

Hi

Sorry, missed the mail. BIRD for some reason does not allow zero key ID.
It seems that RFC 2328 does not explicitly forbid zero key ID, so perhaps
it should be allowed.

But apparently both Cisco and Arista alsow allows just 1-255 range:

https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/nxos/commands/ospf/ip-ospf-message-digest-key.html
https://www.arista.com/en/um-eos/eos-section-31-5-ospfv2-commands

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."


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