OSPF - DNA?

From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Sun Jul 24 2005 - 15:32:10 GMT-3

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I was working in the lab with virtual links and tunnels on OSPF areas. I
noticed at one point where I have the tunnel built, but did not have
connectivity to area 0 completed from a remote (non-0) area. I did a show ip
ospf database and received the following:

Link ID ADV Router Age Seq# Checksum
44.44.44.17 160.10.32.1 9 (DNA) 0x80000001 0xD505
44.44.44.32 160.10.32.1 9 (DNA) 0x80000001 0xE4F5
44.44.44.48 160.10.32.1 9 (DNA) 0x80000001 0x4486
44.44.44.64 160.10.32.1 9 (DNA) 0x80000001 0xA317
44.44.44.128 160.10.32.1 9 (DNA) 0x80000001 0x2159
160.10.15.0 160.10.32.1 9 (DNA) 0x80000001 0xA1F5
160.10.15.0 160.10.37.2 14 0x80000003 0xF658
160.10.32.0 160.10.32.1 9 (DNA) 0x80000001 0xC07C
160.10.32.0 160.10.37.2 1759 0x80000003 0xED73

I have never seen the "(DNA)" entry in this output before. I can't seem to
locate a reference to it in the doc CD. Anyone has any ideas on what this
means?

Dave

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