I know it's long in the tooth, but the 7606 with RSP720's we have in
service still to this day has really done a nice job overall, not the
fastest, but it's survived and just stays up.
That said, looking at the current routing table and expected growth,
it's looking like I need to plan for more routes than are possible in
the 7600 chassis. Looking at the current tables I am seeing about 740k
IPv4 routes, and about 65K IPv6 routes, and know even with TCAM
optimized on the RSP720's they top out at just over 800K routes, even
going to a SUP-2T doesn't really save the day.
I know I have followed discussions further back in this group, but
haven't seen much for a bit, and I am just wondering where people are
now days on recommendations for a router to handle the current tables,
and to plan for the future for a bit. I saw at one point the ASR9001
looked like a nice option, but it looks like it's 32bit, and that could
be an issue going forward with updates. I also see the ASR1000
routers, something like the 1006 could be used and even support
redundant RP's and ESP's, and if I am reading it right would be good out
to about 4M routes (that should last a while).
I need to have at least 4x 10GE interfaces in the router, as we have a
few upstream links that are all at 10GE, and a few GE links, plus of
course the links back into our switches. I haven't really used any
DS1/DS3 type connections in years, so figure we are pretty much Ethernet
only at this point in the game.
So I am sure there are various opinions, but before I go out looking
around in the used marketplace, I wanted to see what people felt might
be a good direction to look before I run out of TCAM in the current router.
As always, thanks for the input...
---
Howard Leadmon
PBW Communications, LLC
http://www.pbwcomm.com
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