HP HPE FlexNetwork 7500 series, Configuration Manual

Page: 102 / 592

90
Setting a DSCP value for OSPF packets
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter OSPF view.
ospf
[ process-id |
router-id
router-id |
vpn-instance vpn-instance-name ] *
N/A
3. Set a DSCP value for OSPF
packets.
dscp
dscp-value
By default, the DSCP
value for OSPF packets
is 48.
Setting the maximum number of external LSAs in LSDB
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter OSPF view.
ospf [ process-id | router-id router-id |
vpn-instance
vpn-instance-name ] *
N/A
3. Set the maximum number of
external LSAs in the LSDB.
lsdb-overflow-limit number
By default, the
maximum number of
external LSAs in the
LSDB is not limited.
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 Command Remarks
1. Enter system view.
system-view N/A
2. Enter OSPF view.
ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *
N/A
3. Set the OSPF exit overflow
interval.
lsdb-overflow-interval interval
The default setting is 300
seconds.
The value of 0 indicates that
OSPF does not exit overflow
state.
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.