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QMultiFlex-400™ Installation and Operating Handbook
Figure 8-28 Traffic Shaping using IP Addresses
As can be seen, Rule 1 guarantees 10% of the available bandwidth to IP packets from subnet
10.0.1.0/24, which is allowed to burst up to 99% of the bandwidth should it become available.
The packets have the highest priority (0).
Rule 2 guarantees 30% of the available bandwidth to IP packets from subnet 10.0.2.0/24,
which is also allowed to burst up to 99% of the bandwidth. The packets have a lower priority
(1) than Rule 1 and therefore associated packets will only receive BIR bandwidth if it is not
required for Rule 1.
Rule 3 guarantees 60% of the available bandwidth to IP packets going to IP address
10.0.7.2/32. Since the BIR value equals the CIR value then no excess bandwidth will be
allocated beyond the guaranteed level.
Since the combined CIR values of the three rules equals 100% then potentially no bandwidth
will be available for any other traffic, including any M&C traffic.
8.7.8.4.2 VLAN ID
Data stream classification can be based on VLAN ID, which need to be added externally to
the QMultiFlex-400™ - usually in the form of an IEEE 802.1q trunk.
The example in Figure 8-29 shows a set of traffic shaping rules based on VLAN ID.
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