> -----邮件原件----- > 发件人: Rémi Després [mailto:[email protected]] > 发送时间: 2010年1月19日 19:06 > 收件人: Xu Xiaohu > 抄送: 'Mark Townsley'; [email protected] > 主题: Re: routing loop issue//re: [Softwires] Please review 6rd > > > Le 19 janv. 2010 à 11:01, Xu Xiaohu a écrit : > > >>> > >>> By the way, would it be better for preventing the routing loops if there > >>> were some well-known bits in the 6rd prefix? > >> > >> This would IMHO add complexity, unnecessarily since routing loops > >> are avoided > >> with the described ingoing and outgoing filters in the BRs. > > > > Sorry for late response. Will this approach of blindly filtering any packet > > sourced from the BRs drop the normal tunneled packets mistakenly? > > > The draft says: > To avoid forwarding loops via other internal relays, the BR should > employ outgoing and incoming IPv4 packets filters, filtering out all > known relay addresses for internal 6rd BRs, ISATAP routers or 6to4 > relays, including the well known anycast address space for 6to4. > > In my understanding, this will not filter any packet that should be forwarded.
If there is a softwire tunnel between two BRs, wouldn't the packet tunneled in the softwire be filtered blindly? Xiaohu _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
