3Com Switch 4800G 24-Port Configuration Manual page 451

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Configuring the DR
Priority for an Interface
n
Ignoring MTU Check for
DD Packets
Disable Interfaces from
Sending OSPFv3 Packets
n
Enable the Logging on
Neighbor State Changes
The dead interval set on neighboring interfaces cannot be so short. Otherwise,
■
a neighbor is easily considered down.
The LSA retransmission interval cannot be so short; otherwise, unnecessary
■
retransmissions occur.
Follow these steps to configure the DR priority for an interface:
To do...
Enter system view
Enter interface view
Configure the DR priority
The DR priority of an interface determines the interface's qualification in DR
election. Interfaces having the priority 0 cannot become a DR or BDR.
When LSAs are few in DD packets, it is unnecessary to check MTU in DD packets in
order to improve efficiency.
Follow these steps to ignore MTU check for DD packets:
To do...
Enter system view
Enter interface view
Ignore MTU check for DD
packets
Follow these steps to disable interfaces from sending OSPFv3 packets:
To do...
Enter system view
Enter OSPFv3 view
Disable interfaces from
sending OSPFv3 packets
After an OSPF interface is set to silent, direct routes of the interface can still be
advertised in Intra-Area-Prefix-LSAs via other interfaces, but other OSPFv3 packets
cannot be advertised. Therefore, no neighboring relationship can be established
on the interface. This feature can enhance the adaptability of OSPFv3 networking.
Follow these steps to enable the logging on neighbor state changes:
To do...
Enter system view
Enter OSPFv3 view
Tuning and Optimizing an OSPFv3 Network
Use the command...
system-view
interface interface-type interface-number
ospfv3 dr-priority priority [ instance
instance-id ]
Use the command...
system-view
interface interface-type
interface-number
ospfv3 mtu-ignore
[ instance instance-id ]
Use the command...
system-view
ospfv3 [ process-id ]
silent-interface
{ interface-type
interface-number | all }
Use the command...
system-view
ospfv3 [ process-id ]
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Remarks
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Optional
Defaults to 1
Remarks
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-
Required
Not ignored by default
Remarks
-
-
Required
Not disabled by default
Remarks
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