In my experience with Worldcom , you might have trouble choosing your own
DLCI numbers. You are likely to get assigned arbritrary numbers starting at
100+. I have found it helps to assign the subinterface the same as the DLCI
number, it really helps in troubleshooting when you do a show frame pvc and
you can look at the subif's and know immediately what circuit it is. May not
be as helpful when you have 3 circuits, but it helps more as the number of
pvc's increase. You can then put the office branch number in as a
description.
-Patrick
On Tue, 14 Aug 2001 12:03:08 -0400, Ole Drews Jensen wrote:
> Thanks for your input Steve.
>
> Have a great day,
>
> Ole
>
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> http://www.RouterChief.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NEED A JOB ???
> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> -----Original Message-----
> From: Steve Smith [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 14, 2001 10:44 AM
> To: Ole Drews Jensen; [EMAIL PROTECTED]
> Subject: RE: Designing FR for 3 branches [7:16030]
>
>
>
> I think you are going down the right track. I always try to have a
coalition
> between my DLCI and my IP. We have a good sized frame network and man
does
> it help do be able to say " Oh, location 1 is DLCI 101 with Wan IP
x.x.x.x"
> This type planning will also help out when you grow and try to track it
all.
>
> I use /30 on all my wan connections but I also figure out hw many nodes
on
> each locating then provision 10-20% over that depending on the locations
> potential. Seems to work great for me.
>
> Steve
>
> -----Original Message-----
> From: Ole Drews Jensen [ mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 14, 2001 10:16 AM
> To: [EMAIL PROTECTED]
> Subject: Designing FR for 3 branches [7:16030]
>
>
> Good morning,
>
> I have now passed several Cisco exams, and are in a lucky situation where
I
> have to establish Frame Relay connections between our main office and
three
> of our branch offices.
>
> It will not be fully meshed, but a PVC between the main office and each
> branch office.
>
> Since I've come accross much of this during my studies, I would like to
show
>
> you my draft, and hope that some of you will throw some comments back to
me,
>
> whether or not it's a good design or a bad design.
>
> Our branch offices each have a branch code, and the three branch offices
I
> am connecting has 1, 7 and 8.
>
> I have planned on buying a 2610 with a WIC-1DSU-T1= for the main office,
and
>
> 1720's with WIC-1DSU-T1='s for the branches. The main office will be
768/384
>
> (bw/cir) and the branches 256/128.
>
> My LAN at the main office is 10.0.0.0 / 8 (total overkill, but that's how
it
>
> was, and that has been fine with me so far).
>
> If we take branch office 1, the setup I have drafted looks like this:
>
> 2610 - Ethernet 0 : 10.1.1.9 / 8
> 2610 - Serial 0.1 : 172.16.1.1 / 30
> 1720 - Serial 0 : 172.16.1.2 / 30
> 1720 - FastEthernet 0 : 172.16.1.129 / 25
>
> ### QUESTION 1 ###
>
> Would this be the best way of using VLSM for hierarchical design?
>
> ##################
>
> Next, I would like to match the branch office number with as much as
> possible, so my idea was to skip subinterface 0.2 thru 0.6 on the 2610,
so
> the next branch office setup would look like this:
>
> 2610 - Ethernet 0 : 10.1.1.9 / 8
> 2610 - Serial 0.7 : 172.16.7.1 / 30
> 1720 - Serial 0 : 172.16.7.2 / 30
> 1720 - FastEthernet 0 : 172.16.7.129 / 25
>
> ### QUESTION 2 ###
>
> Would that be a good idea, and if no - then why not?
>
> ##################
>
> At last, I would like to see if I can match the DLCI also, but I think
that
> I recall 16 being the lowest number to use (is that correct?).
>
> Therefore, the branch office connections would have DLCI 1, 7 and 8 or
21,
> 27 and 28 if 16 is the lowest.
>
> ### QUESTION 3 ###
>
> Is this a good idea, and if no - then why not?
>
> ##################
>
> I appreciate any comments on this, and hope that you can help me learn
the
> "no-so-much-documented" areas of study guides, so I can design this Frame
> Relay the right way from the beginning.
>
> Thanks in advance,
>
> Ole
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> http://www.RouterChief.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NEED A JOB ???
> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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