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13 show cpu usage, 2 monitor and debug command, 1 ping – Amer Networks SS2R48G4i V2 User Manual

Page 48: 2 telnet, 1 introduction to telnet

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SS2R24G4i/SS2R48G4i

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5.1.13 show cpu usage

Command show cpu usage

Function

To display the CPU usage rate of the switch

Command Mode

Admin Mode.

show tech-support

Command show tech-support

Function

To collect tech-support information.

Command Mode

Admin Mode.

5.2 Monitor and Debug Command

When the users configures the switch, they will need to verify whether the configurations are

correct and the switch is operating as expected, and in network failure, the users will also need to
diagnostic the problem. SS2R24/48G4i switch switch provides various debug commands including ping,
telnet, show and debug, etc. to help the users to check system configuration, operating status and
locate problem causes.

5.2.1 Ping

Command ping [<ip-addr>|]

Function

the switch sends ICMP request packet to remote client device and checks the

communications between both sides is fine or not.

Parameter

is destination host IP address, in dotted decimal notation.

is destination host name, number and letter constitute character string.Blank is not

allowed,the length of character string is from 1 to 30.

Default

send 5 ICMP request packets; the packet size is 56 bytes; timeout is 2 seconds.

Command mode

admin mode

5.2.2 Telnet

5.2.2.1 Introduction To Telnet

Telnet is a simple remote terminal protocol for remote login. Using Telnet, the user can login to a

remote host with its IP address of hostname from his own workstation. Telnet can send the user’s
keystrokes to the remote host and send the remote host output to the user’s screen through TCP
connection. This is a transparent service, as to the user, the keyboard and monitor seems to be
connected to the remote host directly.

Telnet employs the Client-Server mode, the local system is the Telnet client and the remote host is

the Telnet server. SS2R24/48G4i switch switch can be either the Telnet Server or the Telnet client.

When SS2R24/48G4i switch switch is used as the Telnet server, the user can use the Telnet client

program included in Windows or the other operation systems to login to SS2R24/48G4i switch switch,