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rate shaping without using the loopback

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magk

ISP
May 23, 2007
1
DE

Is it possible to do rate shaping without using the loopback (Extremeware 7.6.x on Summit 48si).
Lets say i have a customer c 1 in VLAN V-1 (untagged) on port 1 with 10 Mbit/s maximum bandwidth and customer c 2 in VLAN V-2 (untagged) on port 2 with 20 Mbit/s allowed.
The switch itself has a 1 Gbit/s uplink on port 50, transporting both VLANs tagged.

V-1 / V-2
|
|
-------------------
| s48si |
-------------------
| |
| |
c 1 c 2
V-1 V-2


Until now, i am using Extremewares rateshaping with a loopback interface, but i need a solution without this. So i thought about doing egress shaping on the customer ports and on the uplink port, which would be good enough for the scenario.
I searched the documentation and it seems to me that configuring a QoS-Profile for each customer with the maximum bandwidth, the same priority and grouping it with an ACL for the customers source-VLAN should do it.
But a quick test showed unexpected results, for example c 1 gets only 2.5 Mbit/s.
Has anyone a configuration example for this or some hints?
Thanks in advance
 
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