Hi Ashesh, Thanks for your prompt response, we're on the same page!
Best regards, Mach > -----邮件原件----- > 发件人: Ashesh Mishra [mailto:[email protected]] > 发送时间: 2017年7月16日 22:26 > 收件人: Mach Chen > 抄送: [email protected] > 主题: Re: A question about RFC5884 > > That's how I read it ... assuming that proper handling of the LSR echo > includes > gracefully dropping it on rx. > > Ashesh > > On Jul 16, 2017, at 3:58 PM, Mach Chen <[email protected]> wrote: > > Hi BFDers, > > We met a multi-vendor interoperate issue recently, it's about whether an Echo > reply is necessary. > > In Section 6 of RFC5884, 2nd paragraph > > "... The egress LSR MAY respond with an LSP Ping Echo > reply message that carries the local discriminator assigned by it for > the BFD session." > > > From the above text, my understanding is that an Echo reply is optional, the > egress LSR can freely to return or not return an Echo reply, and the Ingress > LSR > should not expect there MUST be an Echo reply, but if there is one, it should > handle it properly. > > Is my understanding correct? > > Thanks, > Mach
