The System Level Screen
5.3.3Subnet Mask
The Subnet Mask determines how the STHI directs SNMP Trap messages (discussed in Section 5.5). The mask defines the portion of the trap destination’s IP address to be compared to the IP address of the STHI. If the designated address portions match, the destination station is determined to exist on the same subnet as the STHI; Network Management Stations (NMS) within the STHI hub’s own subnet are addressed directly. Traps destined for stations on other subnets are sent through a router.
•Set a new value for the Subnet Mask when workstations designated to receive traps reside on a different subnet. In most cases, 255.255.0.0 (the
•Use the Subnet Mask setting of 0.0.0.0 when all workstations designated to receive trap messages exist within the same subnet as the STHI.
If the Subnet Mask is changed, the STHI will execute a
5.3.4Enable IP Address Discovery
This Yes/No toggle field is used to enable/disable IP Address Discovery. (Refer to Section 1.2.8, IP Address Discovery.) Use the Return key to toggle the field. When the toggle field set to YES and SAVE is invoked, the accompanying State field indicates that the device is SEEKING an IP Address. If it finds one, the State field indicates ACQUIRED. If it fails 500 times, it displays FAILED.
Retry Interval | 1 |
The Retry Interval field determines the duration between automatic attempts at IP Address Discovery. Each attempt takes about one
To force an immediate check, rather than waiting for the
TIP next cycle, toggle Enable IP Address Discovery to NO and then to YES again, and then invoke SAVE.
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