HP 24S Uživatelská příručka stáhnout pdf (Strana 43)

LInkbeat <port> <ON/OFF>

To enable

(

set to ON

)

or disable

(

set to OFF

)

link beat on a port. The default

setting is enabled (ON). Disable link beat on any twisted-pair port that is not connected to

a Type 10Base-T device. Unused twisted-pair ports should have link beat enabled. The

<port> parameter can be:

a twisted-pair port number – from 1 to 12 for the Hub/12 and Hub Plus and from

1 to 12 preceded by a group number for the Hub Plus/48

a twisted-pair port group number – A, B, C, or D (Hub Plus/48 only)

ALL or AL for all twisted-pair ports

Example for the Hub/12 and Hub Plus: LI 1 OFF (This disables link beat for port 1.)

Example for the Hub Plus/48: LI A OFF (This disables link beat for all group A ports.)

PAssword (HP 28688B and HP 28699A Only)

To set or change the password on the hub. The password is used to prevent

unauthorized access of the hub from network management stations. The hub is

initially shipped without a password. Follow the prompts to enter a new password or to

change the existing password. You can use this command if you forget the password. To

remove an assigned password, enter the command, then press RETURN without entering

any characters at the password prompt.

PIng (HP 28688B and HP 28699A Only)

To run a test of the path between the hub and another device that responds to

IP packets. The hub sends Internet Control Message Protocol (ICMP) Echo Request

packets to another node with the specified IP address and waits for Echo Response packets

in return.

When you run the Ping command, you will be prompted for:

the IP address of the destination device (in the format X.X.X.X)

the number of packets to send

the timeout value (the number of seconds to wait for a response)

If any errors are reported during this test, there may be a fault on the path used during

the test or on the destination device. For more information about testing network links,

see chapter 4, “Troubleshooting”.

Operation 3-7

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HP 24S Uživatelská příručka Strana 43