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
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Ole Drews Jensen
Systems Network Manager
CCNA, MCSE, MCP+I
RWR Enterprises, Inc.
[EMAIL PROTECTED]
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http://www.RouterChief.com
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NEED A JOB ???
http://www.oledrews.com/job
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