HP 6125G HP 6125G & 6125G/XG Blade Switches Security Configuration Gui - Page 272
Enabling MFF, Configuring a network port, Enabling periodic gateway probe
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Enabling MFF To enable MFF and specify an MFF operating mode: Step 1. Enter system view. 2. Enter VLAN view. 3. Enable MFF and specify an MFF operating mode. Command system-view vlan vlan-id mac-forced-forwarding { auto | default-gateway gateway-ip } Remarks N/A N/A Disabled by default. Configuring a network port Step 1. Enter system view. 2. Enter port view. 3. Configure the port as a network port. Command system-view interface interface-type interface-number mac-forced-forwarding network-port Remarks N/A N/A By default, the port is a user port. Enabling periodic gateway probe You can configure the MFF device to detect gateways periodically for the change of MAC addresses. This feature is supported by MFF manual mode and MFF automatic mode. The time interval for sending gateway probes is 30 seconds. To get a gateway's MAC address, MFF in automatic mode uses the IP and MAC addresses of the first DHCP snooping entry corresponding to the gateway as the sender IP and MAC addresses of an ARP request, and sends the ARP request to the gateway. (In manual mode, MFF uses the IP and MAC addresses of the ARP snooping entry corresponding to the gateway.) After that, MFF will always use this entry to detect the gateway's MAC address, unless the entry is removed. If the entry is removed, MFF will look for another entry; if no other entry is found for the gateway, information about the gateway is removed. To enable periodic gateway probe: Step 1. Enter system view. 2. Enter VLAN view. 3. Enable periodic gateway probe. Command system-view vlan vlan-id mac-forced-forwarding gateway probe Remarks N/A N/A Disabled by default. Specifying the IP addresses of servers You need to maintain a server list on the MFF device. The list contains the IP addresses of servers in the network to ensure communication between the servers and clients. 262