Dell PowerSwitch S4112F-ON EMC SmartFabric OS10 User Guide Release 10.5.0 - Page 668
Passive interfaces, Con stub area, View stub area configuration
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• area-id-Enter the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535. • no-summary-(Optional) Enter to prevent an ABR from sending summary LSA to the stub area. Configure stub area OS10(config)# router ospf 10 OS10(conf-router-ospf-10)# area 10.10.5.1 stub View stub area configuration OS10# show ip ospf Routing Process ospf 10 with ID 130.6.196.14 Supports only single TOS (TOS0) routes It is Flooding according to RFC 2328 SPF schedule delay 1000 msecs, Hold time between two SPFs 10000 msecs Convergence Level 0 Min LSA origination 0 msec, Min LSA arrival 1000 msec Min LSA hold time 5000 msec, Max LSA wait time 5000 msec Number of area in this router is 1, normal 0 stub 1 nssa 0 Area (10.10.5.1) Number of interface in this area is 0 SPF algorithm executed 1 times Area ranges are OS10# show running-configuration ospf ! router ospf 10 area 10.10.5.1 stub Passive interfaces A passive interface does not send or receive routing information. Configuring an interface as a passive interface suppresses both receiving and sending routing updates. Although the passive interface does not send or receive routing updates, the network on that interface is included in OSPF updates sent through other interfaces. 1. Enter an interface type in INTERFACE mode. interface ethernet node/slot/port[:subport] 2. Configure the interface as a passive interface in INTERFACE mode. ip ospf passive Configure passive interfaces OS10(config)# interface ethernet 1/1/6 OS10(conf-if-eth1/1/6)# ip ospf passive View passive interfaces OS10# show running-configuration !!! !! interface ethernet1/1/6 ip address 10.10.10.1/24 no switchport no shutdown ip ospf 100 area 0.0.0.0 ip ospf passive !! ! You can disable a passive interface using the no ip ospf passive command. 668 Layer 3
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