Nortel 460 Device Management Manual page 11

Policy management on the Nortel Ethernet Switch 460, Ethernet Switch 470, and BPS 11
Update DSCP actions
Table 2 describes the allowable DSCP update actions under different interface
classes, relative to BPS software versions and traffic classifications.
Table 2 DSCP Update action behavior
Device software
version
BPS 2.0, 3.0, 3.1
Layer 3
Layer 2
Tagged
UnTagged
* Mark - Update DSCP with value 0-63.
† Ignore - Ignore DSCP.
‡ All - All actions allowed.
Update User Priority actions
Table 3 describes the allowable User Priority Update actions under different
interface classes, relative to BPS software versions and traffic classifications.
Table 3 User Priority Update action behavior (underlined text denotes EPM
default setting, where multiple options exist)
Device software
version
BPS 2.0, 3.0, 3.1
Layer 3
Layer 2
Tagged
UnTagged
* Update 0-7 - Update user priority with value of 0-7.
† Defaults - Use COS value from DSCP to COS mapping, based on DSCP value in action.
Untrusted
Mark * Ignore
Ignore † Ignore
Ignore † Ignore
Untrusted
Update 0-7 * , Egress Map
Defaults †
Update 0-7 * Ignore
Ignore ** Ignore
Trusted Unrestricted
† All
† Ignore
† Ignore
Trusted
‡
**
**
‡
†
†
Unrestricted
Refer to Table 4.
Update 0-7 * , Ignore **
Update 0-7 * , Ignore **