On Mon, 16 Nov 2015, James Carlson wrote:
On 11/16/15 06:23, Paul Jakma wrote:
Correct; ARP doesn't exist on most point-to-point interfaces. The weird
exception is ATM point-to-multipoint, but the less said about that, the
better.
Good to know!
So the ping would be a waste of time.
ping != ARP. The ping utility sends ICMP Echo messages. ICMP (and thus
ping) works fine on PPP,
But it won't do anything to speed up any kind of addressing
resolution/exchange protocol, cause those either run as part of the link
configuration protocol, or are statically configured, right?
I.e. sending pings isn't accomplishing anything for OSPF on such links?
If ARP gets sent on broadcast type media through this mechanism, it's
purely by accident. The same accident that you'd trigger by sending a
unicast OSPF Hello.
So if this is a useful convergence tweak to OSPF on broadcast interfaces,
then it should be done as a unicast OSPF packet (e.g. Hello), and the
tweak described to the OSPF WG so that things like conformance suites
don't complain (e.g. ANVL - which is why Dinesh told me he went with ping
instead of an OSPF packet).
regards,
--
Paul Jakma [email protected] @pjakma Key ID: 64A2FF6A
Fortune:
In my end is my beginning.
-- Mary Stuart, Queen of Scots
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