HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 316
Configuring OSPFv3 received route filtering, Configuring Inter-Area-Prefix LSA filtering
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Configuring OSPFv3 received route filtering According to some rules, you can configure OSPFv3 to filter routes calculated using received LSAs. To configure OSPFv3 to filter routes calculated using received LSAs: Step 1. Enter system view. 2. Enter OSPFv3 view. Command system-view ospfv3 [ process-id | vpn-instance vpn-instance-name ] * filter-policy { acl6-number [ gateway 3. Configure OSPFv3 to prefix-list-name ] | prefix-list filter routes calculated prefix-list-name [ gateway using received LSAs. prefix-list-name ] | gateway prefix-list-name | route-policy route-policy-name } import Remarks N/A N/A By default, OSPFv3 accepts all routes calculated using received LSAs. This command can only filter routes computed by OSPFv3. Only routes not filtered out can be added into the local routing table. Configuring Inter-Area-Prefix LSA filtering Step Command Remarks 1. Enter system view. system-view N/A 2. Enter OSPFv3 view. ospfv3 [ process-id | vpn-instance vpn-instance-name ] * N/A By default, OSPFv3 accepts all 3. Configure OSPFv3 to filter filter { acl6-number | prefix-list Inter-Area-Prefix-LSAs. Inter-Area-Prefix LSAs. prefix-list-name | route-policy route-policy-name } { export | import } This command takes effect only on ABRs. Configuring an OSPFv3 cost for an interface You can configure an OSPFv3 cost for an interface with one of the following methods: • Configure the cost value in interface view. • Configure a bandwidth reference value for the interface, and OSPFv3 computes the cost automatically based on the bandwidth reference value: Interface OSPFv3 cost = Bandwidth reference value (100 Mbps)/Interface bandwidth (Mbps). If the calculated cost is greater than 65535, the value of 65535 is used; if the calculated cost is smaller than 1, the value of 1 is used. If no cost is configured for an interface, OSPFv3 automatically computes the cost for the interface. To configure an OSPFv3 cost for an interface: Step 1. Enter system view. 2. Enter interface view. Command system-view interface interface-type interface-number Remarks N/A N/A 305