----------- [EMAIL PROTECTED] wrote:--------------- On Aug 14, 2007, at 9:06 PM, Chengchen Hu wrote:
> 1. Why BGP-like protocol failed to recover the path sometimes? Is > it mainly because the policy setting by the ISP and network operators? There are an infinitude of possible answers to these questions which have nothing to do with BGP, per se; those answers are very subjective in nature. Can you provide some specific examples ------------------------------------------------------- Perhaps your path flapped numerous times and you were "dampened" by your upstream provider? First web search using "route dampening" gives: www.inetdaemon.com/tutorials/internet/ip/routing/bgp/operation/bgp_route_flap_dampening.shtml As Roland mentions, specific examples (for example, "show" commands from the router) would help. scott