HP Network Storage Router m2402 - Manual (Page 125)

Serial/Telnet User Interface
131 Network Storage Router M2402 User Guide
Caution: If this configuration setting is incorrectly set, processing difficulties
may occur. Before changing this setting, evaluate the need for the change
and verify the desired setting. HP recommends backing up the router
configuration to an external file before making changes to this setting.
■ Change Port Settings (3) sets the negotiation settings for the module.
■ A sub-screen is displayed, listing the following options:
— Toggle Performance Mode (1) changes the performance mode to either
1 Gb/s or 2 Gb/s.
Note: If set incorrectly and the router is plugged into a Loop or Fabric, the unit may
receive framing errors due to the incorrect Fibre Channel link speed.
— Toggle Port Mode (2) (default: N_Port) changes the port mode to either
Auto Sense or N_Port:
Auto Sense: In this mode, the Fibre Channel port tries to negotiate as a
loop. If it is not successful, then the Fibre Channel port negotiates as a
fabric. If the port comes up as a loop, it then determines whether it is on a
private or public loop.
N_Port (default): This mode allows the router to bypass the loop
negotiation and come up as a fabric only. Use this setting if a Compaq
switch is being used. If the router is on a loop and N_Port mode is
selected, an error in communication may occur.
— Toggle Hard AL_PA Usage (3) changes the Hard AL_PA usage to either
Yes or No.
If set to Yes, a unique one-byte valid value (derived from an Arbitrated
Loop Topology as defined in ANSI specification FC_AL version 4.5) is
used for the Fibre Channel configuration.
When configuring the Fibre Channel AL_PA, the router presents a list of
loop addresses along with the corresponding AL_PA. The user can select
a loop address.
— Change Hard AL_PA Value (4) changes the AL_PA value.
The AL_PA lookup table is displayed. Enter a node number from the
table.