Context
Perform the following steps on the switch running OSPF.
Procedure
Step 1 Disable OSPF from checking the network mask.
The OSPF neighbor relationship cannot be established between the switches with different mask
lengths on the P2MP network. After OSPF is disabled from checking the network mask, the
OSPF neighbor relationship can be properly established.
1. Run:
system-view
The system view is displayed.
2. Run:
interface interface-type interface-number
The interface view is displayed.
3. Run:
ospf network-type p2mp
The network type of the OSPF interface is configured.
A P2MP network is forcibly changed from another other type of network. For details, see
Configuring Network Types for OSPF Interfaces.
4. Run:
ospf p2mp-mask-ignore
OSPF is disabled from checking the network mask on the P2MP network.
Step 2 (Optional) Configure the switch to filter the LSA packets to be sent.
When multiple links exist between two switches, you can configure the local switch to filter the
LSA packets to be sent. This can reduce unnecessary LSA retransmission attempts and save
bandwidth resources.
1. Run:
quit
Exit from the interface view.
2. Run:
ospf [ process-id ]
The OSPF process view is displayed.
3. Run:
filter-lsa-out peer ip-address { all | { summary [ acl{ acl-number | acl-
name } ] | ase [ acl{ acl-number | acl-name } ] | nssa [ acl{ acl-number | acl-
name } ] }
*
}
The local switch is configured to filter the LSA packets to be sent on the P2MP network.
By default, the LSA packets to be sent are not filtered.
----End
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 4 OSPF Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
102
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