HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Configuration G - Page 13
Configuring a multiport ARP entry, Configuring the maximum number of dynamic ARP entries
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Step Command Remarks • Configure a long static ARP entry: arp static ip-address mac-address vlan-id interface-type interface-number 2. Configure a static ARP [ vpn-instance vpn-instance-name ] entry. • Configure a short static ARP entry: arp static ip-address mac-address [ vpn-instance vpn-instance-name ] Use either command. By default, no static ARP entry is configured. Configuring a multiport ARP entry A multiport ARP entry comprises an IP address, MAC address, and VLAN ID. To use the multiport ARP entry, you must also configure a multicast or multiport unicast MAC address entry that has the same MAC address and VLAN ID as the multiport ARP entry to specify multiple output interfaces. In addition, the IP address in the multiport ARP entry must reside on the same subnet as the virtual interface of the specified VLAN (VLAN interface). Otherwise, the multiport ARP entry does not take effect. For more information about multiport unicast MAC addresses, see the mac-address multiport command in Layer 2-LAN Switching Command Reference. For more information about multicast MAC addresses, see the mac-address multicast command in IP Multicast Command Reference. A multiport ARP entry can overwrite a dynamic, short static or long static ARP entry. A short static or long static ARP entry can also overwrite a multiport ARP entry. To configure a multiport ARP entry: Step 1. Enter system view. 2. Configure a multicast or multiport unicast MAC address entry. Command Remarks system-view N/A • Configure a multiport unicast MAC address entry: mac-address multiport mac-address Use either command. interface interface-list vlan vlan-id By default, no multicast or • Configure a multicast MAC address multiport unicast MAC address entry: entries are configured. mac-address multicast mac-address interface interface-list vlan vlan-id 3. Configure a multiport ARP arp multiport ip-address mac-address entry. vlan-id [ vpn-instance vpn-instance-name ] By default, no multiport ARP entries are configured. Configuring the maximum number of dynamic ARP entries An interface can dynamically learn ARP entries. To prevent an interface from holding too many ARP entries, you can set the maximum number of dynamic ARP entries that the interface can learn. When the maximum number is reached, the interface stops learning ARP entries. 4