Table 3: Default VPLS Classifiers
Forwarding Class/QueueMPLS Label EXP Bits
0000
1001
2010
3011
4100
5101
6110
7111
NOTE: Forwarding class to queue number mapping is not always one-to-one.
Forwarding classes and queues are only the same when default
forwarding-class-to-queue mapping is in effect. For more information about
configuring forwarding class and queues, see Configuring Forwarding Classes.
On MX Series routers, VPLS filters and policers act on a Layer 2 frame that includes the
media access control (MAC) header (after any VLAN rewrite or other rules are applied),
but does not include the cyclical redundancy check (CRC) field.
NOTE: On MX Series routers, if you apply a counter in a firewall for egress
MPLS or VPLS packets with the EXP bits set to 0, the counter will not tally
these packets.
11Copyright © 2013, Juniper Networks, Inc.
Chapter 1: CoS Overview
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