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Appendix - Classification Expressions
MDM9000 Satellite Modem
19.1.3 Expression: Layer 2 VLAN ID
The following picture shows the expression "VLAN ID".
Use this expression to capture all incoming packets with a specific VLAN TAG.
All other incoming packets are dropped.
The previous figure shows that IP traffic, with different VLAN ID tags, is forwarded towards a VLAN
on the remote site.
The following steps are taken:
Transmit
1. IP traffic is entering the MDM9000.
2. The traffic is inserted into the encapsulator.
3. The IP traffic is filtered according to the classification rule.
In this case "VLANID", IP packets with the VLAN ID tag 620 are further processed by the
shaping tree (trafnode and Node Remote MDM4).
4. IP traffic with an other "VLANID" is dropped!
5. The shaped traffic (vlan 620) is inserted into a channel (Channel Default).
6. A label can be assigned to the shaped traffic.
7. The shaped traffic is linked to a specific Input Stream Identifier (ISI8).
8. The shaped traffic is modulated and transmitted.
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