Subject: [Int-area] can you elaborate the "loops" which you are concerned with "draft-nachum-sarp-03"?

From: Linda Dunbar <[email-masked]>
Date: Mon, 12 Nov 2012 21:50:11 +0000

Chris,

I am a little confused of the "loops"  you stated at the microphone about the scheme described in "draft-nachum-sarp-03" at the InterArea WG session in Atlanta.

The draft assumes that there is some type of loop prevention mechanism in place (be it RSTP/STP, SPB-M, TRILL, or IS-IS) to prevent loops for Ethernet data frames which don't have TTL.

The same mechanism should prevent the loops of ARP/ND frames.

Can you draw a scenario on how/why the loop prevention mechanism for Ethernet data frames won't work for ARP/ND frames?

Thank you very much.

Linda Dunbar