From: David Luu (wicked01@xxxxxxxxxxxxx)
Date: Thu May 16 2002 - 19:01:45 GMT-3
a LSA wont show the link if it isnt participating in the routing
process...thats what network statements are for (with the exception of BGP)
At 04:56 PM 5/16/2002 -0400, Michael Kilpatrick wrote:
>I thought all directly connected links are advertised, regardless whether
>that interface is participating in OSPF or not.... ref Doyle Vol 1, pg
>411... "The LSA's describe all the router's links,..." Am I interpreting
>this incorrectly? Thanks.
>
>----- Original Message -----
>From: "Jonathan Hays" <jhays@jtan.com>
>To: "'Michael Kilpatrick'" <mjkilpat@yahoo.com>; <ccielab@groupstudy.com>
>Sent: Thursday, May 16, 2002 4:33 PM
>Subject: RE: OSPF Routes
>
>
>Mike,
>
>The network statement "network 152.1.1.1 0.0.0.0 area 0" defines OSPF
>only on interface 152.1.1.1 but your BRI0 is 152.1.1.77.
>
>And see my previous post about a point I just learned about - "show ip
>ospf database" does _not_ show the contents of the database - it's just
>a list of the Link State Advertisements.
>
>Jonathan
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Michael Kilpatrick
>Sent: Thursday, May 16, 2002 1:13 PM
>To: ccielab@groupstudy.com
>Subject: OSPF Routes
>
>
>Can someone please help determine why networks directly connected to R1
>are not being entered in the OSPF database and therefore not being
>advertised to R2. I thought all directly connected networks (less
>loopbacks) are automatically advertised via the OSPF process running on
>that router. Also, notice that R1 Loop1 and R2 Loop0 are in the ospf
>database... why isn't R1 Loop0?
>
>R1_#ping 152.1.1.2
>
>!!!!!
>Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 ms
>
>R1_#sh ip int brie
>Interface IP-Address OK? Method Status
>Protocol
>BRI0 152.1.1.77 YES NVRAM up
>up
>BRI0:1 unassigned YES unset up
>up
>BRI0:2 unassigned YES unset down
>down
>Ethernet0 152.1.1.1 YES NVRAM up
>up
>Loopback0 152.1.1.65 YES NVRAM up
>up
>Loopback1 152.1.1.97 YES NVRAM up
>up
>Serial0 152.1.1.81 YES NVRAM up
>up
>
>R1_#sh run
>router ospf 110
> log-adjacency-changes
> network 152.1.1.1 0.0.0.0 area 0
>
>R1_#sh ip os data
>
> OSPF Router with ID (152.1.1.97) (Process ID 110)
>
>
> Router Link States (Area 0)
>
>Link ID ADV Router Age Seq# Checksum Link
>count
>152.1.1.72 152.1.1.72 489 0x80000003 0xCD5C 1
>152.1.1.97 152.1.1.97 488 0x80000002 0x30C9 1
>
> Net Link States (Area 0)
>
>Link ID ADV Router Age Seq# Checksum
>152.1.1.1 152.1.1.97 488 0x80000001 0x35CD
>
>R2_#sh ip int brie
>Interface IP-Address OK? Method Status
>Protocol
>Ethernet0 152.1.1.2 YES NVRAM up
>up
>Loopback0 152.1.1.72 YES NVRAM up
>up
>
>R2_#sh run
>router ospf 110
> log-adjacency-changes
> network 152.1.1.2 0.0.0.0 area 0
>
>R2_#sh ip o data
>
> OSPF Router with ID (152.1.1.72) (Process ID 110)
>
>
> Router Link States (Area 0)
>
>Link ID ADV Router Age Seq# Checksum Link
>count
>152.1.1.72 152.1.1.72 849 0x80000003 0xCD5C 1
>152.1.1.97 152.1.1.97 849 0x80000002 0x30C9 1
>
> Net Link States (Area 0)
>
>Link ID ADV Router Age Seq# Checksum
>152.1.1.1 152.1.1.97 850 0x80000001 0x35CD
>
>Thanks, Mike
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