ZyXEL Communications P-312 manual Boot Commands, Option to Enter Debug Mode

		P312 Broadband Security Gateway
Table 11-4		Menu 24.11 - Remote Management Control
Field		Description	Option
FTP service active	Press the [SPACE BAR] to toggle Yes to No and press [Enter] to		Yes
	disable all FTP activity (both LAN and WAN).		No
Telnet service active	Press the [SPACE BAR] to toggle Yes to No and press [Enter] to		Yes
	disable all Telnet activity (both LAN and WAN).		No
Secured Client IP	The default value for Secured Client IP is 0.0.0.0, which means
	you don’t care which host is trying to Telnet. If you enter an IP in
	this field, the Prestige will check if the client IP matches the value
	here when a Telnet session is up. If it does not match, the Prestige
	will disconnect the session immediately. If the Telnet service
	active field is disabled (No) then this field is not applicable (N/A).

11.5 Boot Commands

The BootModule AT commands execute from within the router’s bootup software, when debug mode is selected before the main router firmware (ZyNOS) is started. When you start up your Prestige, you are given a choice to go into debug mode by pressing a key at the prompt shown in the following screen. In debug mode you have access to a series of boot module commands, for example ATUR (for uploading

firmware) and ATLC (for uploading the configuration file) already discussed in the chapter on Transferring Files.

Bootbase Version: V1.05 4/14/2000 13:58:03

RAM: Size = 4096 Kbytes

FLASH: Intel 8M

ZyNOS Version: V3.20(CA.0)b3 6/12/2000 18:00:34

Press any key to enter debug mode within 3 seconds.

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Figure 11-8 Option to Enter Debug Mode

Enter ATHE to view all available Prestige boot module commands as shown in the next screen. ATBAx allows you to change the console port speed. The x denotes the number preceding the colon to give the console port speed following the colon in the list of numbers that follows; e.g., ATBA3 will give a console port speed of 9.6 Kbps. ATSE displays the seed that is used to generate a password to turn on the debug flag in the firmware. The ATSH command shows product related information such as boot module version, vendor name, product model, RAS code revision, etc. ATGO allows you to continue booting the system. Most other commands aid in advanced troubleshooting and should only be used by qualified engineers.

System Maintenance & Information 11-7