Brocade Communications Systems ICX 7250 series, Configuration Manual

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Configuring administrative distance based on route type
The default administrative distances for intra-area routes, inter-area routes, and external routes can be altered.
1. Enter the configure terminal command to access global configuration mode.
device# configure terminal
2. Enter the ipv6 router ospf command to enter OSPFv3 router configuration mode and enable OSPFv3 globally.
device(config)# ipv6 router ospf
3. Enter the distance command with the intra-area parameter.
device(config-ospf6-router)# distance intra-area 80
The administrative distance for intra-area routes is changed from the default to 80.
4. Enter the distance command with the inter-area parameter.
device(config-ospf6-router)# distance inter-area 90
The administrative distance for inter-area routes is changed from the default to 90.
5. Enter the distance command with the external parameter.
device(config-ospf6-router)# distance external 100
The administrative distance for external routes is changed from the default to 100.
The following example changes the default administrative distances for intra-area routes, inter-area routes, and external routes.
device# configure terminal
device(config)# ipv6 router ospf
device(config-ospf6-router)# distance intra-area 80
device(config-ospf6-router)# distance inter-area 90
device(config-ospf6-router)# distance external 100
Changing the reference bandwidth for the cost on OSPFv3 interfaces
The reference bandwidth for OSPFv3 can be altered, resulting in various costs.
1. Enter the configure terminal command to access global configuration mode.
device# configure terminal
2. Enter the ipv6 router ospf command to enter OSPFv3 router configuration mode and enable OSPFv3 globally.
device(config)# ipv6 router ospf
3. Enter the auto-cost reference-bandwidth command to change the reference bandwidth.
device(config-ospf6-router)# auto-cost reference-bandwidth 500
Configuring OSPFv3
Brocade FastIron Layer 3 Routing Configuration Guide
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