From: Mohammad Khan (ahmadwa@yahoo.com)
Date: Tue Jun 10 2003 - 22:09:48 GMT-3
I have CAR enabled and working fine with no problem on
several 2500 series routers in our production
networks.
Ahmad
--- Jonathan V Hays <jhays@jtan.com> wrote:
> Dave,
>
> I don't disagree.
>
> My original point was - that's what the docs say,
> but CAR does not
> complain if you just enable it without enabling CEF
> on my 2500, 2600,
> and 3600 series routers. And others in this thread
> have had the same
> experience.
>
> So the question boils down to, does CAR really work
> or not, if you don't
> enable CEF?
>
> Jonathan
>
> p.s. From the Cisco Press book "Enhanced IP Services
> for Cisco Networks"
> [1999] by Donald C. Lee, page 169: "At the time of
> this writing, Cisco
> Express Forwarding (CEF) must be enabled on
> VIP-equipped routers before
> you can configure CAR. Other Cisco routers, such as
> the smaller access
> rouers, might not need CEF configured ..."
>
> p.s.s. See the example below where I configured CAR
> without CEF:
>
> r4#show interfaces rate-limit
> Serial0
> Output
> matches: all traffic
> params: 8000 bps, 3000 limit, 4000 extended
> limit
> conformed 0 packets, 0 bytes; action: transmit
> exceeded 0 packets, 0 bytes; action: drop
> last packet: 1334952ms ago, current burst: 0
> bytes
> last cleared 00:02:00 ago, conformed 0 bps,
> exceeded 0 bps
> r4#show run
> Building configuration...
>
> 00:21:15: %SYS-5-CONFIG_I: Configured from console
> by console
> Current configuration : 1467 bytes
> !
> version 12.1
> no service single-slot-reload-enable
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname r4
> !
> cns event-service server
> !
> interface Ethernet0
> no ip address
> shutdown
> !
> interface Serial0
> ip address 10.1.1.1 255.255.255.252
> rate-limit output 8000 3000 4000 conform-action
> transmit exceed-action
> drop
> !
> interface Serial1
> no ip address
> shutdown
> !
> ip classless
> ip http server
> !
> !
> line con 0
> exec-timeout 0 0
> line aux 0
> line vty 0 4
> exec-timeout 0 0
> !
> end
>
> r4#
>
> > -----Original Message-----
> > From: MADMAN [mailto:dave@interprise.com]
> > Sent: Tuesday, June 10, 2003 9:36 AM
> > To: Armand D
> > Cc: Connie Nie; 'Jonathan V Hays';
> ccielab@groupstudy.com
> > Subject: Re: Question on IP CEF
> >
> > According to any docs I have seen you must
> enable CEF to run CAR:
> >
>
http://www.cisco.com/en/US/customer/products/sw/iosswrel/ps1835/products
> _tech_note09186a00800fb50a.shtml#prereq
>
> Dave
>
> David Madland
> CCIE# 2016
> Sr. Network Engineer
> Qwest Communications
> 612-664-3367
>
> "Government can do something for the people only in
> proportion as it
> can do something to the people." -- Thomas Jefferson
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This archive was generated by hypermail 2.1.4 : Fri Jul 04 2003 - 11:10:56 GMT-3