Currently I have a 6500 with one gig of ram, terminating a 1 eBPG and 1 iBGP link using about 190 Megs of memory taking full router about 720K+ routes.
BGP table version is 21786344, main routing table version 21786344
BGP using 190163660 total bytes of memory
I did have to issues the mls cef maximum-routes ip 968 command on the 6500 as I was running out of cef memory which I believe is in tcam to store the routes?
I’m going to be upgrading to an ASR with 8 gigs of ram, however the specs tell me I can only have 1 million routes. So how can an ASR only support 1 Million routes with 8 gigs of ram. What am I missing here ? if this a software limit of the platform tcam and no necessarily the physical ram ?
With 8-GB memory:
- Up to 1,000,000 IPv4 routes or 1,000,000 IPv6 routes
- BGP RR Scalability up to 8,000,000 IPv4 routes or 6,000,000 IPv6 routes
With 16-GB memory:
- Up to 4,000,000 IPv4 routes or 4,000,000 IPv6 routes
- BGP RR Scalability up to 24,000,000 IPv4 routes or 17,000,000 IPv6 routes
TIA, Paul