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Setting a DSCP value for OSPF packets
Step
1.
Enter system view.
2.
Enter OSPF view.
3.
Set a DSCP value for OSPF
packets.
Setting the maximum number of external LSAs in LSDB
Step
1.
Enter system view.
2.
Enter OSPF view.
3.
Set the maximum number of
external LSAs in the LSDB.
Setting OSPF exit overflow interval
When the number of LSAs in the LSDB exceeds the upper limit, the LSDB is in an overflow state. To
save resources, OSPF does not receive any external LSAs and deletes the external LSAs generated
by itself when in this state.
Perform this task to configure the interval that OSPF exits overflow state.
To set the OSPF exit overflow interval:
Step
1.
Enter system view.
2.
Enter OSPF view.
3.
Set the OSPF exit overflow
interval.
Enabling compatibility with RFC 1583
RFC 1583 specifies a different method than RFC 2328 for selecting the optimal route to a destination
in another AS. When multiple routes are available to the ASBR, OSPF selects the optimal route by
using the following procedure:
1.
Selects the route with the highest preference.
If RFC 2328 is compatible with RFC 1583, all these routes have equal preference.
Command
system-view
ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *
dscp dscp-value
Command
system-view
ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *
lsdb-overflow-limit number
Command
system-view
ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *
lsdb-overflow-interval interval
90
Remarks
N/A
N/A
By default, the DSCP
value for OSPF packets
is 48.
Remarks
N/A
N/A
By default, the
maximum number of
external LSAs in the
LSDB is not limited.
Remarks
N/A
N/A
The default setting is 300
seconds.
The value of 0 indicates that
OSPF does not exit overflow
state.
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Troubleshooting
