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Author Topic: Nortel 5510 and QoS/ACL  (Read 2013 times)

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Offline Gurvan

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Nortel 5510 and QoS/ACL
« on: April 25, 2012, 09:04:07 PM »
Dear,

I try to set up QoS/ACL to limit udp to a destination 10.0.1.10 but it drops all udp packets (or not drop...)
I want limit my ESXi to receive 30Mbits for dst port 53, 10Mbits for dst port 161 and 5mbits for all other UDP trafic. (Port 1 = Uplink, Port 17/19 = ESXi).

First test, use traffic meter but the traffic above the meter does not drop o_O.

What I have is as follow : 12.2 Configuration Example 1 Traffic Meter Using Policies

In the documentation :
For UDP dst port 80, meter traffic at 10M
For UDP dst port 69, meter traffic at 5M
For UDP dst port 137, meter traffic at 1M

I tried this configuration but adapting nothing to be done ...
Either that drop nothing, or it drop any

I also tried use ACL for drop all UDP trafic for port 80 but the result was a little anything. (Loss of ssh session etc.)

sw02(config)#qos ip-acl name udp-80 dst-ip 10.0.1.10/32 protocol 17 dst-port-min 80 dst-port-max 80 drop-action enable
sw02(config)#qos ip-acl name udp-80 drop-action disable
sw02(config)#qos acl-assign port 1 acl-type ip name udp-80


I try to apply this type of adjustment to against UDP attacks.
I am taking advice as i read and reread the documentation and the blog, i'm doing.

Thanks !