3Com 3C13636 Configuration Manual page 1328

3Com Router 3000 Ethernet Family
Configuration Guide
Because the RTP queue has a higher priority than CBQ, the RTP will take effect when
both the RTP queue and the CBQ queue based on the class matching RTP are
configured.
X. Defining/deleting protocol match rule
Perform the following configurations in class view.
Table 3-29 Define/delete protocol match rule
Define protocol match rule
Delete protocol match rule
protocol-name: Only the IP protocol is used.
XI. Defining/deleting an ATM CLP bit match rule
In ATM cell headers, CLP bit is used for traffic control. When network congestion
occurs, ATM cells with CLP bit set to 1 are dropped first.
Perform the following configuration in class view.
Table 3-30 Define/delete an ATM CLP bit match rule
Define an ATM CLP bit match rule (CLP
bit set to 1 or 0)
Delete the configured ATM CLP bit
match rule
Use the if-match atmclp command to create a cell loss priority (CLP) bit match rule
defining that ATM cells with CLP bit set to 1 are matched.
Use the if-match not atmclp command to create a CLP bit match rule defining that
ATM cells with CLP bit set to 0 are matched.
XII. Defining/deleting a CoS field match rule for VLAN packets
Perform the following configuration in class view.
Table 3-31 Define/delete a CoS field match rule for VLAN packets
Define a CoS field match rule for VLAN
packets
Delete the specified CoS field match rule
for VLAN packets
Operation
Operation
Operation
3Com Corporation
Chapter 3 Congestion Management
Command
if-match [ not ] protocol protocol-name
undo if-match [ not ] protocol protocol-name
if-match [ not ] atmclp
undo if-match [ not ] atmclp
if-match [ not ] dot1p-cos cos-value
undo if-match [ not ] dot1p-cos
cos-value
3-22
Command
Command