Re: [IPv6] Subject: Mandating SRH when using C-SIDs (draft-ietf-spring-srv6-srh-compression)

On Thu, Apr 4, 2024, 1:08 PM Michael Richardson <[email protected]>
wrote:

>
> Tom Herbert <[email protected]> wrote:
>     >> Tcpdump can determine that this packet is steered onto an SRv6 path
> by
>     >> checking if the DA matches the SRv6 SID block.
>
>     > That would require introducing external state to tcpdump for correct
>     > operation. This would be a major divergence in both implementation
> and
>     > ops compared to how things work today.
>
> It wouldn't be that weird to have the new SID block in the source code,
> with
> an override from the command line.  No weirder than port 23==telnet.
>

Michael,

23 is well known port number registered with IANA? Is the SID block a
globally reserved address space?

Tom


> --
> Michael Richardson <[email protected]>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
>

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