Hi,
It helps, thanks. But the Kou draft (https://datatracker.ietf.org/doc/draft-kou-ospf-immediately-replying-hello/ ) also mentions two other situations where immediate hellos must be sent: after state changes from “2-Way” or greater down to “Init” (case 2), and after DR election (case 3). Do you know if these cases are also implemented? Thanks. Rui From: Acee Lindem (acee) [mailto:a...@cisco.com] Sent: Wednesday, January 31, 2018 12:47 PM To: rui.vala...@tecnico.ulisboa.pt; ospf@ietf.org Subject: Re: [OSPF] Immediate Replying Hello Hi Rui, It is not a standard. However, it is a technique used by many implementations to speed adjacency formation when a hello packet is received and the neighbor state is less than two-way. At least one of the implementations with witch with I have been associated would unicast the hello. Hope this helps, Acee From: OSPF <ospf-boun...@ietf.org <mailto:ospf-boun...@ietf.org> > on behalf of "rui.vala...@tecnico.ulisboa.pt <mailto:rui.vala...@tecnico.ulisboa.pt> " <rui.vala...@tecnico.ulisboa.pt <mailto:rui.vala...@tecnico.ulisboa.pt> > Date: Wednesday, January 31, 2018 at 3:28 AM To: OSPF WG List <ospf@ietf.org <mailto:ospf@ietf.org> > Subject: [OSPF] Immediate Replying Hello Hi, Many OSPF implementations include the Immediate Replying Hello feature, which I believe is not standard. The only reference I found is the draft “Update to OSPF Hello procedure, draft-kou-ospf-immediately-replying-hello-02.txt” which has expired. Are vendors following what is written in this draft? Is there a document from any vendor that details this feature? Thanks. Rui Valadas
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