A&C are correct:
- Bits = 0x2 >>> router is ASBR
- Router has one interface with IP of 192.168.1.4 was marked as passive >>> Stub
- Router has one interface with IP of 10.1.15.30 (connect to router with router ID of 192.168.1.2) was marked as p2p. For p2p link, we will see 2 entries in router LSA, one of them is Stub, but it doesn't mean passive.
AC is correct:
- Bits 0x2 = ASBR
- Advertising a stub network occurs for the loopback interface and
any passive interfaces. In addition, the IP subnet for any point-to-point interface is
advertised as a stub because the adjacency was formed over an unnumbered interface.
Stub:(link type 3)
Each operational OSPF interface that doesn’t contain an adjacency is defined as a stub network.
The router’s loopback address and all interfaces configured in passive mode are considered stub networks.The Link ID field for a stub network contains the network number of the subnet,and the Link Data field contains the subnet mask.
https://netwx.wordpress.com/
opt 0x22 is 0010 0010. Means E-bit (external) is set in LSA. So this an ASBR.
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