One Flow has one VLAN priority value associated, that VLAN priority value will be
written in the outer most VLAN tag of the Ethernet frame before the Ethernet frame
is forwarded to the aggregation network. Traffic within the policed bandwidth is
forwarded to the aggregation network while traffic exceeding the policed bandwidth
is either dropped or remarked with another VLAN priority.

The ufcExceedingTrafficFlow parameter is used to configure whether traffic exceeding
the policed bandwidth should be dropped or remarked with another VLAN priority
before forwarding the packet to the aggregation network.

Remarking of traffic is done by redirecting traffic exceeding the policed bandwidth
of the current flow to another flow as illustrated below.

                                    IP DSLAM
                  _______________________________________________________________
                 |              _________________                                |
                 |             (                 )                               |
                 |       /<--- ( Flow x policing ) <----\                        |
                 |      /      (_________________)       \                       |
                 |     /          |                       \                      |
                 |    /           | Remark / redirect      \                     |
                 |   /            | exceeding traffic       \                    |
                 |  /             |                          \                   |
                 | /            __V______________            _\____________      |
Aggregation      |/            (                 )          (   Initial    )     |
  Network   <----|<----------- ( Flow y policing ) <--------(    flow      )<----|---- End-user
                 |\            (_________________)          (___selection__)     |
                 | \              |                           /                  |
                 |  \             | Remark / redirect        /                   |
                 |   \            | exceeding traffic       /                    |
                 |    \           |                        /                     |
                 |     \        __V______________         /                      |
                 |      \      (                 )       /                       |
                 |       \<--- ( Flow y policing ) <----/                        |
                 |             (_________________)                               |
                 |                |                                              |
                 |                |                                              |
                 |                X Discard exceeding traffic                    |
                 |_______________________________________________________________|
                                                                                 
Set ufcExceedingTrafficFlow to zero to drop traffic exceeding the policed bandwidth rate
for the flow.

Set ufcExceedingTrafficFlow to a value in the range 1..8 to redirect excess traffic to
another flow. The value written to ufcExceedingTrafficFlow is the flowIndex of the flow
where traffic must be redirected to. ufcExceedingTrafficFlow can not be set to the same
value as the flowIndex of the current flow.

Note: Care must be taken to not configure an infinite redirect loop.

Valid from:                EDA 2.2 R3A