[SR-Users] ip address fields

Juha Heinanen jh at tutpro.com
Mon Oct 22 20:45:21 CEST 2012


Daniel-Constantin Mierla writes:

> text representation can use ipv4 format for last 4 bytes:
> 
> http://tools.ietf.org/html/rfc4291#page-4
> 
> common for cases when tunneling ipv4 over ipv6.
> 
> That is:
> 
>      (6 * 4 + 5) + 1 + (4 * 3 + 3) = 45
> 
> Then add 3 for the square brackets and the ending 0.

i just checked and str2ipv6 function does not support the embedded ipv4
format.  also, i still claim that square brackets are delimiters and not
part of the address.  so 39 plus one more for zero byte would be fine.

-- juha



More information about the sr-users mailing list