RE: Two ABRs on the same area - requirements [7:72587]

2003-07-22 Thread Howard C. Berkowitz
At 7:06 PM + 7/21/03, alaerte Vidali wrote: >Thanks, > >The challenge I am facing is to improve the OSPF design of a network that is >in production, without changing the existing WAN links. The area 5 is bigger >than I think it would be ideal (there are 56 routers) and there is no >interesting

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-21 Thread Reimer, Fred
y delete it from your computer. -Original Message- From: alaerte Vidali [mailto:[EMAIL PROTECTED] Sent: Monday, July 21, 2003 3:06 PM To: [EMAIL PROTECTED] Subject: RE: Two ABRs on the same area - requirements [7:72587] Thanks, The challenge I am facing is to improve the OSPF design o

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-21 Thread alaerte Vidali
Thanks, The challenge I am facing is to improve the OSPF design of a network that is in production, without changing the existing WAN links. The area 5 is bigger than I think it would be ideal (there are 56 routers) and there is no interesting traffic between all the spoke routers in the area, as

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-20 Thread Reimer, Fred
ipient, you are not authorized to use, disclose, distribute, copy, print or rely on this email, and should immediately delete it from your computer. -Original Message- From: "Chuck Whose Road is Ever Shorter" [mailto:[EMAIL PROTECTED] Sent: Saturday, July 19, 2003 9:11 PM To: [EMAI

Re: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Howard C. Berkowitz
At 1:10 AM + 7/20/03, " Chuck Whose Road is Ever Shorter " wrote: >""Reimer, Fred"" wrote in message >news:[EMAIL PROTECTED] >> Of course you can have more than one ABR for an area, but there is no >single >> "area 5" in the diagram below. There are two separate areas, that happen >to >> u

Re: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread
""Howard C. Berkowitz"" wrote in message news:[EMAIL PROTECTED] snip a bit > > In many topologies, it will get awfully expensive to have an ABR for > each area. I did one network for a large enterprise (2500 routers > and growing, of which 400 actively spoke OSPF). Howard, what did the rest spea

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Howard C. Berkowitz
At 11:50 PM + 7/18/03, Priscilla Oppenheimer wrote: >alaerte Vidali wrote: >> >> Thanks. >> >> The addresses are contiguous. >> >> Suppose a network with many ABRs, one in each city. Any big >> city represents small cities. Could you use an area for each >> ABR? (I am wondering if there is

Re: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread
gt; > > -Original Message----- > From: "Chuck Whose Road is Ever Shorter" [mailto:[EMAIL PROTECTED] > Sent: Friday, July 18, 2003 7:52 PM > To: [EMAIL PROTECTED] > Subject: Re: Two ABRs on the same area - requirements [7:72587] > > ""Reimer, Fred"&

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Reimer, Fred
ent: Friday, July 18, 2003 7:52 PM To: [EMAIL PROTECTED] Subject: Re: Two ABRs on the same area - requirements [7:72587] ""Reimer, Fred"" wrote in message news:[EMAIL PROTECTED] > I don't believe that is a valid design. why not? there is nothing that says you can't hav

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Howard C. Berkowitz
At 9:47 PM + 7/18/03, alaerte Vidali wrote: >Thanks. > >The addresses are contiguous. > >Suppose a network with many ABRs, one in each city. Any big city represents >small cities. Could you use an area for each ABR? (I am wondering if there >is no limit in the number of areas. I bet not). In m

Re: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Howard C. Berkowitz
At 6:27 PM + 7/18/03, alaerte Vidali wrote: >Can you see any mistake in the following network? > > >Rx ---area 5--R2area 0---R3- >|| > area 0 | >

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-19 Thread Howard C. Berkowitz
At 8:18 PM + 7/18/03, Priscilla Oppenheimer wrote: >I think this would work, but why would you want to do it? Why not make those >two parts of Area 5 different areas? Simply from a documenation and human >communication point of view, you don't want the design to be confusing. When >someone refe

Re: Two ABRs on the same area - requirements [7:72587]

2003-07-18 Thread
""Reimer, Fred"" wrote in message news:[EMAIL PROTECTED] > I don't believe that is a valid design. why not? there is nothing that says you can't have more than one ABR for an area. In fact, there is nothing that says you can't give all your areas the same area i.d. There can be problems in doing

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-18 Thread Priscilla Oppenheimer
alaerte Vidali wrote: > > Thanks. > > The addresses are contiguous. > > Suppose a network with many ABRs, one in each city. Any big > city represents small cities. Could you use an area for each > ABR? (I am wondering if there is no limit in the number of > areas. I bet not). Yes, you should us

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-18 Thread alaerte Vidali
Thanks. The addresses are contiguous. Suppose a network with many ABRs, one in each city. Any big city represents small cities. Could you use an area for each ABR? (I am wondering if there is no limit in the number of areas. I bet not). What about put toghether two cities and form a bigger area

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-18 Thread Priscilla Oppenheimer
I think this would work, but why would you want to do it? Why not make those two parts of Area 5 different areas? Simply from a documenation and human communication point of view, you don't want the design to be confusing. When someone refers to Area 5, you don't want someone else to have to say "w

RE: Two ABRs on the same area - requirements [7:72587]

2003-07-18 Thread Reimer, Fred
I don't believe that is a valid design. Fred Reimer - CCNA Eclipsys Corporation, 200 Ashford Center North, Atlanta, GA 30338 Phone: 404-847-5177 Cell: 770-490-3071 Pager: 888-260-2050 NOTICE; This email contains confidential or proprietary information which may be legally privileged. It is i