Chapter 5: Local Management5-222E43-51/2E43-51R User’s Guide3. Press ENTER. If the subnet mask is valid, the cursor returns to thebeginning of the Subnet Mask field. If the entry is not valid, the screendisplays the message “INVALID SUBNET MASK OR FORMATENTERED”. Local Management does not alter the current value, butit does refresh the Subnet Mask field with the previous value.4. Use the arrow keys to highlight the SAVE command, then pressENTER. The warning screen shown in Figure 5-11 displays.Figure 5-11 Configuration Warning Screen5. Use the arrow key to highlight the YES command, then press ENTER.The changes are saved and the device reboots.5.7.3 Setting the Default GatewayIf the SNMP management station is located on a different IP subnet thanthe 2E43-51, a default gateway must be specified. When an SNMP Trap isgenerated, the 2E43-51 sends the Trap to the default gateway. To set thedefault gateway, perform the following steps:1. Use the arrow keys to highlight the Default Gateway field.WARNING!19601-84YOU HAVE ELECTED TO SAVE ONE OR MORE CONFIGURATIONITEMS THAT REQUIRE RESETTING THIS MODULE.ARE YOU SURE YOU WANT TO CONTINUE?YES NO