From: Priestman Ward (RQ6) RLBUHT (Ward.Priestman@rlbuh-tr.nwest.nhs.uk)
Date: Thu Jun 05 2003 - 07:30:50 GMT-3
dont forget split horizon on eigrp
-----Original Message-----
From: johnson_liu@corp.giga.net.tw [mailto:johnson_liu@corp.giga.net.tw]
Sent: 05 June 2003 09:21
To: Danny.Andaluz@triaton-na.com; timothy.snow@eds.com
Cc: ccielab@groupstudy.com
Subject: RE: OSPF with secondary IP's
How about this ?
R1------R2
R1
ip address 1.1.1.1 255.255.255.0
ip address 2.2.2.2 255.255.255.0 secondary
R2
ip address 1.1.1.2 255.255.255.0
ip address 2.2.2.1 255.255.255.0 secondary
or
R1
ip address 2.2.2.2 255.255.255.0
ip address 1.1.1.1 255.255.255.0 secondary
R2
ip address 2.2.2.1 255.255.255.0
ip address 1.1.1.2 255.255.255.0 secondary
In order to disable the message "not on common subnet", you can use the "no eigrp log-neighbor-warnings" command.
This command disables the error message on all interfaces used by the EIGRP process, so use it with discretion.
-- Johnson Liu Senior Network Engineer Gigamedia Limited, Inc. CCNP/CCDP/CCIE#11440> -----Original Message----- > From: Danny.Andaluz@triaton-na.com > [mailto:Danny.Andaluz@triaton-na.com] > Sent: Wednesday, June 04, 2003 9:27 PM > To: timothy.snow@eds.com > Cc: ccielab@groupstudy.com > Subject: RE: OSPF with secondary IP's > > > Thanks for all the responses, guys. I tried this in my lab > and what I found is that they will become neighbors but no > routes are learned. > > Danny > > -----Original Message----- > From: Snow, Tim [mailto:timothy.snow@eds.com] > Sent: Wednesday, June 04, 2003 12:23 AM > To: Andaluz, Danilo, Triaton/NA > Cc: 'ccielab@groupstudy.com' > Subject: RE: OSPF with secondary IP's > > > Negative, you'll get errors due to the fact that the router > will source the OSPF hellos (assuming you put the primary > into a OSPF area) from the primary interfaces. Much the same > way you'll see "not on common subnet" errors with EIGRP. > > Tim > > > -----Original Message----- > From: Danny.Andaluz@triaton-na.com [mailto:Danny.Andaluz@triaton-na.com] Sent: Tuesday, June 03, 2003 4:01 PM To: ccielab@groupstudy.com Subject: OSPF with secondary IP's
Hello, Group. R1------R2 R1 ip address 1.1.1.1 255.255.255.0 ip address 2.2.2.2 255.255.255.0 secondary R2 ip address 2.2.2.1 255.255.255.0 ip address 1.1.1.2 255.255.255.0 secondary Both networks are under OSPF in the same area. Will the two routers become adjacent? Thanks, Danny
Danny Andaluz, CCNP Network Engineer Triaton, North America 908-541-6522
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