Hi, On Tue, Jan 25, 2011 at 02:52:42PM -0500, Jay Nakamura wrote: > I am in the process of implementing IPv6 so I enabled IPv6 on the > router on that one VRF and BGP. Now just enabling it consumed 260MB > of RAM
How exactly did you "enable IPv6"?
I have no box with 15.0 + BGP + IPv6 right now, so I can't check - but
for older IOSes, IPv6 has fairly small impact on memory consumption.
Cisco>sh bgp ipv6 su
4374 network entries using 581742 bytes of memory
38490 path entries using 2771280 bytes of memory
...
Cisco>sh proc mem sort
Total: 39237408, Used: 22215864, Free: 17021544
PID TTY Allocated Freed Holding Getbufs Retbufs Process
91 0 51770188 7991604 10075460 0 0 BGP Router
Cisco>sh mem
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
Processor 61A948E0 39237408 22217656 17019752 15261448 16350452
this is a 4700M with a 12.3-ish IOS, having 6 full IPv6 BGP peers and
a number of partial IPv6 BGP peers. 64Mb RAM, 17Mb free.
No IPv4 BGP and no VRFs, though.
gert
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Gert Doering - Munich, Germany [email protected]
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