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Beginner

Using a Cisco ACE as a router

Can anyone advise the best way to allow non-load-balanced IP traffic through a Cisco ACE?  The ACE must load-balance for some traffic but act as a router for all other traffic.

Regards

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3 REPLIES 3
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Cisco Employee

Re: Using a Cisco ACE as a router

Hi,

As long as you have the access-list and routing configured, the ACE should be able to forward the traffic at L3 without load balancing.

The traffic is load balanced when you have the traffic hitting a VIP with service policy applied on an interface.

-

Siva

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Beginner

Re: Using a Cisco ACE as a router

Ok, thanks that was my general understanding too, just hoped there would be no need for any fancy class-maps etc.  Thanks very much

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Cisco Employee

Re: Using a Cisco ACE as a router

Also here is an example where you still have the traffic hitting a VIP and dont want to load balance

Configure a class map for HTTP traffic . Then configure the ACE to forward requests that match a http policy map
without performing loadbalancing on the request -- use the forward command in load-balancing policy-map class configuration mode.


class-map match-all HTTP_CLASS
2 match virtual-address 1.1.1.220 tcp eq 80


switch/Admin(config-pmap-c)# policy-map type loadbalance first-match
http-forwarding-lb-pm
switch/Admin(config-pmap-lb)# class class-default
switch/Admin(config-pmap-lb-c)# forward
switch/Admin(config-pmap-lb-c)#

policy-map multi-match SMTP
class SMTP_CLASS
......
class HTTP_CLASS
  loadbalance policy http-forwarding-lb-pm


Hope this helps.
-
Siva
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