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OSPF router LSA

Created: Nov 11, 2018 09:04:00Latest reply: Nov 15, 2018 03:01:58 786 5 0 0 0
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Hello everyone,Router LSA is used to send connected link information to other routers in that area...can the router LSA send all connected link ip address information to all other routers in that area..??i think router lsa not send all connected infromation to other routers ..can any one explain me what is the function of router LSA...i am confused in this..
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Featured Answers
m80047048
Created Nov 11, 2018 09:21:55

Dear Khalid

Please note that LSAs are advertised to different type of areas depend on LSA type.
below table explains in more details:

Untitled

For more details about SPF principlas, please check below link:
http://support.huawei.com/hedex/pages/EDOC1000163385DEG0811X/05/EDOC1000163385DEG0811X/05/resources/dc/dc_feature_ospf_0003.html?ft=0&fe=10&hib=9.3.7.6.2.1&id=dc_feature_ospf_0003&text=Fundamentals%20of%20OSPF&docid=EDOC1000163385

For all details about OSPF:
Please read Router product docuementation :
http://support.huawei.com/hedex/pages/EDOC1000163385DEG0811X/05/EDOC1000163385DEG0811X/05/resources/dc/dc_cfg_ospf_0000.html?ft=0&fe=10&hib=9.3.7.6&id=dc_cfg_ospf_0000&text=OSPF%20Configuration&docid=EDOC1000163385

Thanks you...


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All Answers
m80047048
m80047048 Created Nov 11, 2018 09:21:55

Dear Khalid

Please note that LSAs are advertised to different type of areas depend on LSA type.
below table explains in more details:

Untitled

For more details about SPF principlas, please check below link:
http://support.huawei.com/hedex/pages/EDOC1000163385DEG0811X/05/EDOC1000163385DEG0811X/05/resources/dc/dc_feature_ospf_0003.html?ft=0&fe=10&hib=9.3.7.6.2.1&id=dc_feature_ospf_0003&text=Fundamentals%20of%20OSPF&docid=EDOC1000163385

For all details about OSPF:
Please read Router product docuementation :
http://support.huawei.com/hedex/pages/EDOC1000163385DEG0811X/05/EDOC1000163385DEG0811X/05/resources/dc/dc_cfg_ospf_0000.html?ft=0&fe=10&hib=9.3.7.6&id=dc_cfg_ospf_0000&text=OSPF%20Configuration&docid=EDOC1000163385

Thanks you...


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Protocol
Protocol Created Nov 12, 2018 05:40:56

Thank you for reply...what is the detail meaning of
Routet LSA Describes link status and link cost of a router.
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lizhi94
lizhi94 Created Nov 14, 2018 06:11:14

hello author ,router-LSA just occur within the area ,but cannot send to out of the area,just LSA-3 ,LSA-4,LSA5 and LSA7 can send out of area
you can use the the command display ospf lsdb xx to show the detail of router-LSA
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Protocol
Protocol Created Nov 14, 2018 12:00:32

If one router have one interface in one area and
other interface in other area then one area
connected router LSA advertise to other area then how we say router LSA not advertise to other area.
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lizhi94
lizhi94 Created Nov 15, 2018 03:01:58


hello author ,it is a good question. as you say( If one router have one interface in one area and
other interface in other area then one area
connected router LSA advertise to other area) first,this kind of ospf router can be called ABR,but the one -LAS still cannot send to other area ,you can use the display ospf lsdb command to check these ,by these command ,you can see different area have different DB. so one-LSA just sned in one area.
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