[c-nsp] High interrupt load on 7507

[Rodney Dunn]

On Wed, Jun 21, 2006 at 02:00:54PM -0400, David Coulson wrote:
> Rodney Dunn wrote:
> > Looking at it ALL of the subints have bridge-group so all traffic
> > in and out of that slot will be punted to the RSP.
> 
> So, if BVIs are a "bad idea" on the 7507, what options do I have?
> 
> 1) Use some other method for L2 redundancy on the 7500. I can't do HSRP
> across two dot1q interfaces :-)
> 2) Dump the BVIs and just connect my two 7507s to different switches and
> if a switch dies, then just use HSRP to swing everything over. Might
> work, seems kind of lame though.
> 3) Get another device (or, at least, two of them) to do all of my L2 and
> connect them to my GEIPs. Let the router just do L3 routing.

I'd go with #3.

> 4) Throw more CPU at the problem - RSP8/RSP16
> 
> What's my best option for GigE in, GigE out doing dot1q on both sides
> which supports OSPF and HSRP?

Yep.

Not sure your overall design but just get a 76xx and do a VLAN and
let the L2 ports run at L2?

I'm not sure why you are bridging in the first place.


> 
> David