Virtual Channel Settings - HP StorageWorks 2/16 - SAN Switch Manual

Fabric OS reference guide
The default virtual channel settings have already been optimized for switch performance.
Judiciously changing the default values might improve switch performance somewhat, but can
also severely degrade performance. You should not change these settings without fully
understanding the effects. See
after the table.
Table 14: Virtual Channel Settings
VC Link Control
VC Class 2
VC Class 3
VC Multicast
VC Priority
VC Priority
VC Priority
VC Priority
VC Priority
VC Priority
VC Link Control
Specifies the virtual channel used for N_Port-generated, Class 2 link control frames (ACKs,
P_BSYs, P_RJTs). Forces N_Port-generated link control frames to be sent, using a Class 2
data virtual channel when set to 0. When set to 1, the control frames are sent using a virtual
channel normally reserved for fabric-internal traffic.
This setting is configurable only when VC encoded address mode is set.
VC Class 2
Specifies the virtual channel used for Class 2 frame traffic. This setting is configurable only
when VC encoded address mode is set.
VC Class 3
Specifies the virtual channel used for Class 3 frame traffic. This setting is configurable only
when VC encoded address mode is set.
VC Multicast
Specifies the virtual channel used for multicast frame traffic. This setting is configurable only
when VC encoded address mode is set.
VC Priority
Specifies the class of frame traffic given priority for a virtual channel.
Zoning Operation Parameter
Table 15
168
Table 14
Field Type
Number
Number
Number
Number
2 Number
3 Number
4 Number
5 Number
6 Number
7 Number
specifies the zoning operation parameter. The field is described following the table.
for the virtual channel settings. Each field is described
Default Range
0 0 to 1
2 2 to 5
3 2 to 5
7 6 to 7
2 2 to 3
2 2 to 3
2 2 to 3
2 2 to 3
3 2 to 3
3 2 to 3
Fabric OS 3.x Document Addendum