Example 1: cos behavior for, Dual-tagged to dual-tagged vll endpoints – Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) User Manual
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Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide
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How MPLS VLL works
4
or in the Tunnel/VC label column differentiates the behavior when qos exp encode policy is ON
(default) or OFF.
or in the Outgoing packet Outer VLAN column differentiates the behavior when qos pcp encode
policy is ON (default) or OFF.
Example 1: CoS behavior for dual-tagged to dual-tagged VLL endpoints
shows a detailed example of the CoS behavior in a dual-tagged to dual-tagged VLL
endpoint configuration. The table shows the difference in behavior for VLL tagged mode (described
in
) versus VLL raw mode (described in
).
TABLE 84
Example CoS behavior in a dual-tagged to dual-tagged VLL endpoint configuration
Priority
Incoming Packet
Outgoing Packet
Tag Mode
Outgoing Packet
Raw Mode
Outer VLAN
Inner VLAN
Outer VLAN
Inner VLAN
Outer VLAN
Inner VLAN
LSP CoS 4
VLAN 100,
CoS 0
VLAN 200,
CoS 0
VLAN 300,
CoS 4
VLAN 400,
CoS 0
VLAN 300
CoS 4
VLAN 400
CoS 4
VLL CoS 2
VLAN 100,
CoS 0
VLAN 200,
CoS 0
VLAN 300,
CoS 2
VLAN 400,
CoS 0
VLAN 300
CoS 2
VLAN 400
CoS 2
Port priority 6
(with priority force)
VLAN 100,
CoS 0
VLAN 200,
CoS 0
VLAN 300,
CoS 6
VLAN 400,
CoS 0
VLAN 300
CoS 6
VLAN 400
CoS 6
802.1p
CoS 6 (outer VLAN)
CoS 4
(inner VLAN)
VLAN 100,
CoS 6
VLAN 200,
CoS 4
VLAN 300,
CoS 6
VLAN 400,
CoS 4
VLAN 300
CoS 6
VLAN 400
CoS 6
Port priority 6 and VLL
CoS 2
VLAN 100,
CoS 0
VLAN 200,
CoS 0
VLAN 300,
CoS 2
VLAN 400,
CoS 0
VLAN 300
CoS 2
VLAN 400
CoS 2
Port priority 5
(with priority force)
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 5
VLAN 400,
CoS 7
VLAN 300
CoS 5
VLAN 400
CoS 5
Port priority 5
(with priority force), LSP
CoS 3
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 3
VLAN 400,
CoS 7
VLAN 300
CoS 3
VLAN 400
CoS 3
Port priority 5
(with priority force), LSP
CoS 2. VLL CoS 4
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 2
VLAN 400,
CoS 7
VLAN 300
CoS 2
VLAN 400
CoS 2
Port priority 5
(with priority force), LSP
CoS 0. VLL CoS 4
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 0
VLAN 400,
CoS 7
VLAN 300
CoS 0
VLAN 400
CoS 0
Port priority 5
(with priority force), LSP
no value. VLL CoS 4
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 4
VLAN 400,
CoS 7
VLAN 300
CoS 4
VLAN 400
CoS 4
Port priority 5
(with priority force), LSP
CoS 0. VLL CoS 4
QoS exp encode policy
all-zero (ingress router)
VLAN 100,
CoS 7
VLAN 200,
CoS 7
VLAN 300,
CoS 0
VLAN 400,
CoS 7
VLAN 300
CoS 0
VLAN 400
CoS 0