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Configuration considerations – Brocade Multi-Service IronWare Routing Configuration Guide (Supporting R05.6.00) User Manual

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Multi-Service IronWare Routing Configuration Guide

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Policy-based routing support for preserve VLAN

The PBR TVF VLAN egress ports can be in strict tagged VLAN mode or dual VLAN mode. When PBR
TVF VLAN egress ports are in strict tagged VLAN mode, the ingress tagged packets flood as
"tagged" with the original VLAN ID and priority preserved. The ingress untagged packets flood as
"tagged" with the default VLAN ID. When the PBR TVF VLAN egress ports are in dual VLAN mode,
the ingress tagged packets flood as "tagged" with the original VLAN ID and priority preserved. The
ingress untagged packets flood as "untagged".

Configuration considerations

Consider the following when policy-based routing is supported for preserve VLAN:

To preserve the ingress VLAN priority value, the ingress VLAN and the port QoS feature should
not be configured at the same time.

IPv4 and IPv6 ACL VLAN ID matches are supported for both ingress and egress ACLs.

An egress ACL is supported to filter traffic.

Policy-based routing support for the preserve VLAN option does not affect the feature
implementation of policy-based routing support for the preserve VLAN.