From: Wu Jiang (wujiang@xxxxxxxxx)
Date: Fri Jan 26 2001 - 01:14:25 GMT-3
If an interface with address 172.16.40.1 is in area 4, all other interfaces (wh
ithin the same class B netowrk) are in area 0, my configuration would be:
network 172.16.40.1 0.0.0.0 area 4
network 172.16.0.0 0.0.255.255 area 0
Do not change the order!
HTH,
Wu
----- Original Message -----
From: "Brian Hescock" <bhescock@cisco.com>
To: "Rick Burts" <burts@mentortech.com>
Cc: "Les Hardin" <hardinl@bah.com>; <ccielab@groupstudy.com>
Sent: Friday, January 26, 2001 4:12 AM
Subject: Re: OSPF Config Styles
> I agree completely, network 10.1.1.1 0.0.0.0 area 0 is far superior unless
> you have a lot of interface. Far easier to troubleshoot in your
> production netwokr and far easier to see if the procotor made a change as
> well... ;-)
>
> B.
>
> On Thu, 25 Jan 2001, Rick Burts wrote:
>
> > Les
> >
> > comments are in-line
> >
> > Rick Burts, CCSI CCIE 4615 burts@mentortech.com
> > Mentor Technologies 240-568-6500 ext 6652
> > 133 National Business Parkway 240-568-6515 fax
> > Annapolis Junction, Md 20701
> >
> > Chesapeake Network Solutions has now become Mentor Technologies.
> > Mentor Technologies is a certified Cisco Training Partner and also
> > a Cisco Professional Services partner.
> > We offer most of the Cisco training courses.
> > We also offer training in Checkpoint Firewall software and
> > Fore Systems (now Marconi) and MicroMuse.
> > We also provide network consulting services including
> > design, management, and problem solving.
> > We have 22 CCIEs on our staff.
> > We offer the breakthrough VLAB remote access technology for
> > access to pratice configuration on real equipment.
> >
> > On Thu, 25 Jan 2001, Les Hardin wrote:
> >
> > > All,
> > >
> > > I'd like to engage in a religious discussion for a moment -- OPSF
> > > configuration styles.
> > >
> > > I know that there are at least 2 schools of thought out there regarding
> > > OSPF config.
> > >
> > > Under router ospf 1:
> > > 1) Use network command with classfull IP addresses
> > > 2) Use network command with 32-bit interface address, ensuring that only
> > > the desired interface is activated for OSPF, then perhaps using area rang
e
> > > to summarize.
> >
> > your comment seems to imply a relationship between the need to summarize
> > with area range and the type of mask in the network statement. There is
> > NO relationship. The mask used in network statement does not impact
> > summarization and does not impact what is advertised (OSPF will use the
> > subnet mask from the interface to determine what to advertise).
> >
> >
> > Having said that I will say that my personal preference is to use the
> > very specific mask. It is a little more work up front but I find it
> > more easy to troubleshoot and certainly may facilitate changes that
> > might need to be made down the road.
> >
> > >
> > > I'd like to hear from a few folks as to what their preference is and
> > > why. I'm interested as to where the majority of folks sit on this
> > > topic. Thanks for your inputs.
> > >
> > > Les
> > > yada yada yada certs
> > >
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