We have our Internet provider advertising network 0.0.0.0 via BGP.
#sh ip bgp nei 184.108.40.206 routes
BGP table version is 7, local router ID is 255.255.255.255
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 0.0.0.0 220.127.116.11 0 0 123 i
Total number of prefixes 1
This is the only route we are getting from them, and everything from us goes to the next hop PE router.
We distribute the default route into our local core network via OSPF.
If we loose the dynamic default route, the Internet traffic gets routed through our DR site.
I recently had a network guy tell me that when he was getting BGP routes from his provider, he had them distribute a full route table to his CE router to speed up internet traffic, and he suggested we do the same.
I do not understand this thinking.
It seems to me that if everything from my network is going to go to the only the next hop, which is the PE router, it makes no sense for me to get a full Internet route table in my edge router.
This, if anything would slow things down because my route table would be much larger, utilizing resources on my CE router.
Any thoughts on this?