HP 6125G HP 6125G & 6125G/XG Blade Switches IRF Configuration Guide-R2 - Page 29
Configuring ARP MAD
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NOTE: After a BFD MAD-enabled IRF fabric splits, route conflict messages (for example, %May 5 16:15:47:733 2010 HP ARP/3/ROUTECONFLICT: Slot=5;Route conflict found, IP:192.168.2.1, VrfIndex:0) might appear on the fabric part that does not have the original master, because this fabric part still keeps the forwarding entries with the original master as the destination. This message does not affect forwarding. The system stops generating it after the forwarding entries are aged out. Configuring ARP MAD When you configure ARP MAD, follow these guidelines: • If an intermediate device is used, you can use common data links as ARP MAD links. If no intermediate device is used, set up dedicated ARP MAD links between IRF member devices. • Use a VLAN dedicated to ARP MAD. • If an intermediate device is used, do the following: { Run the spanning tree feature between the IRF fabric and the intermediate device. { Enable the IRF fabric to change its bridge MAC address as soon as the master leaves. { Create an ARP MAD VLAN and assign the ports on the ARP MAD links to the VLAN. { If the intermediate device is in an IRF fabric, assign this fabric a different domain ID than the ARP MAD-enabled fabric to avoid false detection of IRF partition. To configure ARP MAD: Step 1. Enter system view. 2. Assign a domain ID to the IRF fabric. Command system-view irf domain domain-id 3. Create a VLAN dedicated to ARP MAD. vlan vlan-id 4. Return to system view. quit • Enter interface range view: { Approach 1: interface range { interface-type interface-number [ to interface-type interface-number ] } & 5. Enter Ethernet interface view or interface range view. { Approach 2: interface range name name [ interface { interface-type interface-number [ to interface-type interface-number ] } & ] • Enter Ethernet interface view: interface interface-type interface-number Remarks N/A The default IRF domain ID is 0. The default VLAN on the device is VLAN 1. N/A To assign a range of ports to the BFD MAD VLAN, enter interface range view. To assign one port to the BFD MAD VLAN, enter Ethernet interface view. 25