On Jan 17, 2014, at 5:14 PM, Mikael Abrahamsson wrote: > On Fri, 17 Jan 2014, Templin, Fred L wrote: > >> Sorry, I was looking at the wrong section. I see now that Section 8 is >> talking about a method for a CE to send an ordinary data packet that loops >> back via the BR. That method is fine, but it is no more immune to someone >> abusing the mechanism than would be sending a ping (or some other NUD >> message). By using a ping, the BR can impose rate-limiting on its ping >> responses whereas with a looped-back data packet the BR really can't do rate >> limiting. > > You don't ping the BR, you ping yourself via the BR. The BR only forwards the > packet.
Precisely. The whole idea is to stay on the data plane. - Mark > >> Also, Section 8 of RFC5969 only talks about the CE testing the forward >> path to the BR. Unless the BR also tests the reverse path to the CE it >> has no way of knowing whether the CE can accept large packets. > > You misread the text. > > -- > Mikael Abrahamsson email: swm...@swm.pp.se
