[nsp] CAR and the 2600 series

[Bruce Robertson]

We're using per-subinterface rate limiting on a 7206, talking ISL to a
2900XL switch, and it seems to be working fine.  I've always just assumed
that it would work on a 26xx as well.

rno-atm0#sh int f0/0.22 rate
FastEthernet0/0.22
  Input
    matches: all traffic
      params:  1000000 bps, 187500 limit, 375000 extended limit
      conformed 1450219 packets, 628221418 bytes; action: transmit
      exceeded 34 packets, 36090 bytes; action: drop
      last packet: 16ms ago, current burst: 0 bytes
      last cleared 19:55:53 ago, conformed 70000 bps, exceeded 0 bps
  Output
    matches: all traffic
      params:  1000000 bps, 187500 limit, 375000 extended limit
      conformed 1483983 packets, 370882287 bytes; action: transmit
      exceeded 285 packets, 246592 bytes; action: drop
      last packet: 16ms ago, current burst: 0 bytes
      last cleared 19:55:53 ago, conformed 41000 bps, exceeded 0 bps

rno-atm0#sh run int f0/0.22
interface FastEthernet0/0.22
 encapsulation isl 22
 ip address .....
 ip verify unicast reverse-path
 no ip redirects
 no ip proxy-arp
 rate-limit input 1000000 187500 375000 conform-action transmit exceed-action drop
 rate-limit output 1000000 187500 375000 conform-action transmit exceed-action drop
 no cdp enable
end

--
Bruce Robertson, President/CEO				     +1-775-348-7299
Great Basin Internet Services, Inc.			fax: +1-775-348-9412
http://www.greatbasin.net