Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
Configuring OSPF NBMA network neighbor
Configure the OSPF NBMA network neighbor for the ISCOM2600G-HI series switch as
below.
Enter global configuration mode.
Raisecom(config)#interface
interface-type
interface-number
Enter interface configuration mode.
Raisecom(config-
gigaethernet1/1/port)#ip ospf
network non-broadcast
Raisecom(config-
gigaethernet1/1/port)#exit
Configure the Layer 3 interface
network mode to NBMA and exit
Layer 3 interface configuration
mode.
Raisecom(config)#router ospf
process-id
[ router-id
router-
id
]
Enable an OSPF process and enter
OSPF configuration mode.
Raisecom(config-router-
ospf)#neighbor
ip-address
[ priority
priority
]
Configure the NBMA neighbor and
its priority.
By default, no NBMA neighbor is
configured and the priority is 0
when you configure the NBMA
neighbor.
Priorities configured by the neighbour and ip ospf priority priority commands are
different:
The priority configured by the neighbor command indicates that whether the
neighbor has the right to vote. If you configure the priority to 0 when configuring
the neighbor, the local router judges that the neighbor has no right to vote and will
not sent Hello packets to the neighbor. This method helps reduce the number of
Hello packets transmitted through the network during DR and BDR election
processes. However, if the local router is a DR or BDR, it will send the Hello
packet to the neighbor, whose priority is configured to 0, to establish the
neighboring relationship.
The priority configured by the ip ospf priority priority command is used for actual
DR election.
5.7.6 Optimizing OSPF network
Configuring OSPF packet timer
Configure the OSPF packet timer for the ISCOM2600G-HI series switch as below.
Enter global configuration mode.
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