From: Horszczaruk Krzysztof (Krzysztof.Horszczaruk@xxxxxxxxxxxxx)
Date: Fri May 17 2002 - 04:33:20 GMT-3
If directly connected links are not included into OSPF, they will not be advert
ised unless you "redistribute static [subnet]". But in such case they will appe
ar as external routes, and advertising router become ASBR.
regards,
Krzysztof Horszczaruk
Senior Consultant, System Engineer
Network Integration
Getronics Polska Sp. z o.o.
ul. Pulawska 352a
02-819 Warszawa
http://www.getronics.com
http://www.getronics.pl
>>>-----Original Message-----
>>>From: Michael Kilpatrick [mailto:mjkilpat@yahoo.com]
>>>Sent: Thursday, May 16, 2002 10:56 PM
>>>To: ccielab@groupstudy.com
>>>Subject: Re: OSPF Routes
>>>
>>>
>>>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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