Quick References; Setting The Modem Rate; Example Of Hierarchical Scheduling - Patton electronics IPLink 3210 Series Getting Started Manual

IPLink 3210 Series Getting Started Guide
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Quick references

The following sections provide a minimal "standard" link scheduler configuration for the case where a
(DSL/cable) modem link is shared for all traffic. You will also find a command cross reference list for adminis-
trators familiar with Cisco's IOS QoS features and having to become acquainted with IPLink QoS configura-
tion.

Setting the modem rate

To match the data multiplexing of different traffic types to the capacity of the access link is the most common
application of the IPLink link scheduler.
1. Create a minimal profile.
profile service-policy modem-512
rate-limit 512 header-length 20 atm-modem
source traffic-class critical_q
priority
2. Apply the profile just created to the interface connected to the modem.
context ip
interface wan
use profile service-policy modem-512 out
Some explanations:

Quick references

min. 30%
min. 40%
Mode
Shaper
Define 2nd level
arbiter
Figure 18. Example of Hierarchical Scheduling
priority
Level_1
min. 30%
Low_Priority
Define 1st level
arbiter
7 • Link scheduler configuration
Mode
WFQ
Use arbiter on
an interface
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