RE: IEWB-RS Lab 1 ISDN 4.6-7 Multilink config

From: Tony Schaffran (groupstudy@cconlinelabs.com)
Date: Tue Feb 15 2005 - 11:11:21 GMT-3


The purpose to any practice lab is not to be able to configure it the way
the solution presents itself, it is to understand what you have done.

There will always be more than one way to solve any problem.

Do you understand what their solution does and what your solution does? Is
PPP multilink per packet or per flow load balancing? Do both solutions meet
the requirement?

Just something to think about. Good luck.

Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
www.cconlinelabs.com
Your #1 choice for online Cisco rack rentals.
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Golia, Jeff
Sent: Tuesday, February 15, 2005 5:55 AM
To: Group Study (E-mail)
Subject: IEWB-RS Lab 1 ISDN 4.6-7 Multilink config

Hello, A brief question about multilink configuration.

the requirements of this state "maximize throughput on the ISDN circuit
configure your network so that R4 and R5 fragment all traffic amongst both
ISDN B channels. Fragmentation sould occur regardless of the utilization of
the first B channel."

When I first did this lab, I used these commands:
ppp multilink interleave
ppp multilink load-thresh 1

The solution states:
ppp multilink
ppp multilink links min 2

I think my solution is preferable due to the interleave keyword usage. It
specifically mentions the fragmentation asked for. I tried using the
interleave keyword on the IE supplied solution, and it makes multilink not
come up (1 B channel only). Also when viewing the stats of each separate B
channel (sh int bri 0 1; sh int bri 0 2) the stats look deceivingly similar.

COMMENTS?????

Thank you.

Jeff Golia, CCNP MCSE
Network Administrator
Transworld Port and Distribution Services
Wilmington, Delaware



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