D-Link DGS-3630 Emulator 1 - Page 1055
nlb multicast-fdb
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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Administrators cannot configure a static address of the MAC address table as a NLB address. However, if a MAC address is created as a NLB MAC address entry, the same MAC address can be still dynamically learnt in the Layer 2 MAC address table. In this situation, the NLB has higher priority; the dynamically learnt FDB entry won't take effect. Example This example shows how to add the NLB unicast address 00-F3-22-0A-12-F4 to the MAC address table. The candidate forwarding interfaces are on ports 1 to 5. Switch# configure terminal Switch(config)# nlb unicast-fdb 00-F3-22-0A-12-F4 interface eth1/0/1-5 Switch(config)# 81-2 nlb multicast-fdb This command is used to add an entry to the NLB multicast address table. Use the no form of this command to remove an NLB entry from the NLB multicast address table or remove interfaces from a multicast NLB entry. nlb multicast-fdb MAC-ADDR vlan VLAN-ID interface INTERFACE-ID [, | -] no nlb multicast-fdb MAC-ADDR vlan VLAN-ID [interface INTERFACE-ID [, | -]] Parameters MAC-ADDR vlan VLAN-ID interface INTERFACE-ID , - Specifies the MAC address of the entry. The address must be a multicast address. If a received packet contains a destination address that matches the specified MAC address it will be forwarded to the specified interfaces. Specifies the VLAN ID of the entry. The range is 1 to 4094. Specifies the interface to which the matched packets will be forwarded to. Only physical ports are valid interfaces. (Optional) Specifies a series of interfaces or separates a range of interfaces from a previous range. No space is allowed before or after the comma. (Optional) Specifies a range of interfaces. No space is allowed before or after the hyphen. Default None. Command Mode Global Configuration Mode. Command Default Level Level: 12. Usage Guideline This command is used to create an NLB multicast MAC address entry. This destination MAC address is called the shared MAC address. The server uses its own MAC address (rather than the shared MAC) as the source MAC address of the reply packet. In other words, an NLB unicast address usually is not the source MAC address of a packet. The NLB multicast and Layer 2 multicast FDB are mutually exclusive. The IPv6 multicast mapped MAC addresses (33:33:xx:xx:xx:xx) and IEEE reserved MAC addresses (01:80:c2:00:00:xx) are forbidden to set as the NLB multicast MAC address. NLB entry 01:00:5E:xx:xx:xx (IPv4 multicast mapped MAC address) has higher priority. 1050
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