Hi guys,
Please let's take a simple OSPF area with just two p2p routers (R1 and R2).
They participate in this area with their S0/0 interfaces and they are connected
to an EIGRP domain as my ASBRs. On one of these ASBR routers (R1) I issue "sh
ip ospf data" and get the following results :
R1#sh ip ospf data
OSPF Router with ID (16.0.0.1) (Process ID 2)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link
count14.0.0.1 14.0.0.1 1135 0x80000006 0x0085C5 216.0.0.1
16.0.0.1 1130 0x80000008 0x00D61F 2
Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag10.0.0.0
14.0.0.1 287 0x80000001 0x004057 138711.0.0.0 14.0.0.1
616 0x80000004 0x002D66 138712.0.0.0 14.0.0.1 287
0x80000001 0x00266F 138713.0.0.0 14.0.0.1 616
0x80000004 0x00137E 138714.0.0.0 14.0.0.1 616 0x80000004
0x00068A 138716.0.0.0 16.0.0.1 96 0x80000003 0x00CFDA
1358
16.0.0.1 is the loopback address of R1 and 14.0.0.1 is the loopback address of
R2. I am just wondering how "ADV router" is picked by OSPF and why R1's ID is
not shown there for ADV router of 10.0.0.1.
Thank you.
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