From: Scott Morris (swm@emanon.com)
Date: Thu Jan 04 2007 - 11:54:30 ART
Actually, the two won't make any bit of difference there. The job of the
'network' command is to simply select participating interfaces. So all
it's doing (as a primary function) is selecting whether or not the IP
address on any given interface matches.
The time when things may get confusing goes back to the ISDN days and
PPP/demand circuits. But we don't need to worry about that any longer!
Doing either of those commands will produce identical results in "show ip
ospf interface".
If the lab says be specific, well.... Be specific. If it doesn't, then do
whatever makes you feel better! :)
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
#153, CISSP, et al.
CCSI/JNCI-M/JNCI-J
IPexpert VP - Curriculum Development
IPexpert Sr. Technical Instructor
smorris@ipexpert.com
http://www.ipexpert.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Guyler, Rik
Sent: Thursday, January 04, 2007 8:47 AM
To: ccielab@groupstudy.com
Subject: RE: ospf wildcard bits
The second one.
When it says to match exactly, I take it to mean the OSPF network statement
should have the same mask as the interface. Both forms will work fine and
as far as I know. The only difference in functionality between the two that
I am aware of is some obscure route optimization issue on broadcast type
networks. BUT...if the lab says exact network statements then that's the
way you should configure it.
Rik
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Frank
Sent: Thursday, January 04, 2007 7:53 AM
To: ccielab@groupstudy.com
Subject: ospf wildcard bits
Hi,
what does it mean if i have configure ospf network statements to "match the
interface exaclty"?
interface s0/0
ip add 150.1.1.1 255.255.255.0
router ospf 1
netwo 150.1.1.1 0.0.0.0
or
router ospf 1
netwo 150.1.1.1 0.0.0.255
The first configuration does match the ip address exactly and the second
does match the netmask directly.
What should you choose. I know both are valid, but what would be the right
one regarding to "exaclty match the interface"?
Frank
This archive was generated by hypermail 2.1.4 : Thu Feb 08 2007 - 23:46:55 ART