![]() ![]() ASBR Summary LSA (Type 4) includes ASBR’s Router ID. ABR Summary LSA (Type 3) includes all prefixes available in the Area.ĪSBR Summary LSA (Type 4) is generated by ABR (Area Border Router) to inform its areas about how to reach the ASBR (Autonomous System Border Router). Network LSA can not pass ABR, so it can not reach to the other areas.ĪBR Summary LSA (Type 3) is generated by ABR (Area Border Router) to advertise one Area’s networks to other Areas. This LSA includes information like DR, BDR IP addresses, subnet masks. The main aim of this LSA type is listing the connected routers in the segment and informing the other routers. Network LSA (Type 2) is the other LSA type used in standard areas. You can also reach other Cisco CCNP ENCOR lessons Router LSA can not pass ABR, so it can not reach to the other areas. sudo docker exec -ti ceos1 Cli ceos1>enable ceos1show ip route VRF: default Codes: C - connected, S - static, K - kernel, O - OSPF, IA - OSPF inter area, E1 - OSPF external type 1, E2 - OSPF external type 2, N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type2, B I - iBGP, B E - eBGP, R - RIP, I L1 - IS-IS level 1, I L2 - IS-IS. This LSA includes information like Router ID, Router interfaces, neighbors, ip addresses and cost. The aim of this LSA type is giving information about the router. Router LSA (Type 1) is the LSA type used in standard areas. ![]()
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