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System Administration
TUT Systems, Inc Page 41 of 104 P/N 220-06288-20
Subscriber Connectivity Commands
Setting the ARP Failure Limit
The SMS2000 periodically sends an unsolicited ARP request to clients from whom it has
not received network traffic for a certain period of time. If a device does not respond to
the specified number of requests, the SMS2000 assumes that it has been disconnected and
closes the session with the device. The set arp-fails command allows you to set the
number of allowed failures.
To set the maximum number of ARP failures allowed before a device is assumed to be
down or disconnected, use this command:
set arp-fails fail_count
For example, to configure the SMS2000 to end subscriber sessions, if no response is
received from a subscriber after 10 ARP requests are sent, type:
sms2000% set arp-fails 10
Setting the ARP Polling Period
The SMS2000 uses unsolicited ARP requests to verify client connectivity. This allows
you to select theminimum polling period and response time in seconds for client ARP
requests.
To set the ARP polling period, in seconds, type:
set arp-time seconds
For example, to configure the SMS2000 to wait 10 seconds between intervals when using
ARP to test the connection status of subscribers, type:
sms2000% set arp-time 10
Upgrades
The following sections provide detailed steps for installing or upgrading SMS2000
images.
For information on installing and upgrading the OCS software, see the OCS User’s
Guide.
You can load new firmware using an http or ftp server. The SMS2000 supports
authentication via username and password. You can load the firmware directly from Tut
Systems' website. Alternatively, you can locally cache firmware on another ftp or http
server, and load the SMS2000 firmware from that server.