HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 314
Configuring OSPFv3 network types, Configuration prerequisites
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To configure a virtual link: Step 1. Enter system view. 2. Enter OSPFv3 view. 3. Enter OSPFv3 area view. 4. Configure a virtual link. Command system-view ospfv3 [ process-id | vpn-instance vpn-instance-name ] * area area-id vlink-peer router-id [ dead seconds | hello seconds | instance instance-id | retransmit seconds | trans-delay seconds ] * Remarks N/A N/A N/A By default, no virtual link is configured. Configuring OSPFv3 network types OSPFv3 classifies networks into the following types by the link layer protocol: • Broadcast-When the link layer protocol is Ethernet or FDDI, OSPFv3 considers the network type as broadcast by default. • NBMA-When the link layer protocol is ATM, Frame Relay, or X.25, OSPFv3 considers the network type as NBMA by default. • P2P-When the link layer protocol is PPP, LAPB, HDLC, or POS, OSPFv3 considers the network type as P2P by default. Follow these guidelines when you change the network type of an OSPFv3 interface: • An NBMA network must be fully connected. Any two routers in the network must be directly reachable to each other through a virtual circuit. If no such direct link is available, you must change the network type through a command. • If direct connections are not available between some routers in an NBMA network, the type of interfaces associated must be configured as P2MP, or as P2P for interfaces with only one neighbor. Configuration prerequisites Before you configure OSPFv3 network types, enable OSPFv3. Configuring the OSPFv3 network type for an interface Step 1. Enter system view. Command system-view Remarks N/A 2. Enter interface view. interface interface-type interface-number N/A 3. Configure a network type for ospfv3 network-type { broadcast | By default, the network type of an the OSPFv3 interface. nbma | p2mp [ unicast ] | p2p } interface depends on the media type [ instance instance-id ] of the interface. 303
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