Global sub-tab (NSR, NSR LITE only)

Edit Global Settings

1. Go to Network :: Switch :: Global. 
2. In the Jumbo Frame menu, update Maximum Size (1522 to 9732). 
   When the Jumbo Frame is enabled in the switch interfaces, packets with MRU up to the Jumbo Frame size will be accepted.
3. In the Link Aggregation menu, Load Balancedrop-down, select the load balance to use with the LAG members: 
   1. Source and Destination IP
   2. Source and Destination MAC
   3. Source and Destination MAC and IP
   4. Source and Destination MAC and IP and TCP/UDP Ports
4. On the Spanning Tree menu, enable/disable Spanning Tree and make changes, as needed:
   1. Status drop-down, select one (Enabled, Disabled) drop-down, select one (Enabled, Disabled). To enable Spanning Tree, enable Status and enable STP Status in the switch ports. 
   2. Hello Time (sec): transmission interval between BPDUs. The default value is 2.
      
   3. Forward Delay (sec): time spent in the listening and learning states. The default value is 15.
      
   4. Max Age (sec): maximum time that the switch can wait without receiving a BPDU before attempting to regenerate a new spanning tree. The default value is 20.
      
   5. Tx Hold Count: maximum number of BPDUs transmitted per port in a given second. The default value is 5.
5. In the MTSP menu, enter Region Name and Revision. enter Region Name and Revision. The Region Name must match the Region Name of the connected switches with identical configuration.
6. On the DHCP Snooping menu, Status drop-down, select one (Enabled, Disabled). Status drop-down, select one (Enabled, Disabled). If enabled, only trusted interfaces in a VLAN that has DHCP enabled will accept DHCP Server responses. When disabled, the DHCP Snooping functionally is disabled globally.
7. Click Save.