User`s manual

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724-746-5500 | blackbox.com Page 30
Note You can configure the second Ethernet port as either a gateway port or as an OOB/Failover port
(but not both). Make sure you did not allocate Network 2 as the Failover Interface when you
configured the principal Network connection on the System: IP menu.
The management gateway function is now enabled with default firewall and router rules. By default,
these rules are configured so the Management LAN can only be accessible by SSH port forwarding. This
ensures that the remote and local connections to Managed Devices on the Management LAN are secure.
You can also configure the LAN ports in bridged mode (as described later in this chapter) or you can
configure them from the command line.
3.6.2 Configure the DHCP server
The LES1208A, LES1216A, and LES1248A console servers also host a DHCP server which by default is
disabled. The DHCP server enables the automatic distribution of IP addresses to hosts on the
Management LAN that are running DHCP clients. To enable the DHCP server:
 On the System: IP menu select the Management LAN page and click the Disable label in the
DHCP Server field (or go to the System: DHCP Server menu and check Enable DHCP Server).