From: Dennis Laganiere (dennisl@xxxxxxxxxxxxxxxxxxx)
Date: Wed Jun 05 2002 - 14:54:14 GMT-3
Some of the returns in the e-mail got merged, so here are the most important
points of the two examples:
Example #1:
Unstated above is that queue number 3 is also set for 1500 bytes, the
default value. In this example the total byte-count is 6,000 bytes. IP is
set for 50% of the traffic, 25% is allocated for IPX, and 25% for everything
else.
Example #2
Unstated above is that queues 4 and 5 are set for 1500 bytes, the default
value. In this example the total byte-count is 14,800 bytes. IP is set for
50% of the traffic, with the rest shared among the other traffic in
proportion to their byte counts.
I hope that helps...
--- Dennis
-----Original Message-----
From: Dennis Laganiere [mailto:dennisl@advancedbionics.com]
Sent: Wednesday, June 05, 2002 10:17 AM
To: 'ccielab@groupstudy.com'; 'alex fayn'
Subject: RE: Custom Queuing
-----Original Message-----
From: Dennis Laganiere
Sent: Wednesday, June 05, 2002 10:16 AM
To: 'alex fayn'
Subject: RE: Custom Queuing
Using Custom Queuing to determine a percentage of bandwidth is not too
difficult. Remember that by default each queue is allocated 1,500 bytes of
transmission each time it gets to bat. By configuring the number of bytes
in other queues, you can figure out the percentages. Here are two examples
from the NLI Study guide for the CCIE Written (available on Amazon).
Custom Queuing Example #1
1) Router1(config)# queue-list 1 protocol ip 1
2) Router1(config)# queue-list 1 protocol ipx 2
3) Router1(config)# queue-list 1 default 3
4) Router1(config)# queue-list 1 queue 1 byte-count 3000
5) Router1(config)# queue-list 1 queue 2 byte-count 1500
6) Router1(config)# interface serial 0
7) Router1(config-if)# custom-queue-list 1
Line #1
* Assigns IP traffic to queue number 1
Line #2
* Assigns Novell traffic to queue number 2
Line #3
* All remaining traffic will be sent to queue number 3
Line #4
* Increases the byte count for queue number 1 from the default of 1500 to
3000 bytes.
Line #5
* Sets the byte count for queue number 2 to 1500 (the default value)
Line #7
* Assigns custom queue list number 1 to serial interface 0
Unstated above is that queue number 3 is also set for 1500 bytes, the
default value. In this example the total byte-count is 6,000 bytes. IP is
set for 50% of the traffic, 25% is allocated for IPX, and 25% for everything
else.
Custom Queuing Example #2
1) Router(config)# queue-list 1 protocol ip 1 list 10
2) Router(config)# queue-list 1 protocol ip 2 tcp 23
3) Router(config)# queue-list 1 protocol ip 3 udp 53
4) Router(config)# queue-list 1 interface serial 0 4
5) Router(config)# queue-list 1 default 5
6) Router(config)# queue-list 1 queue 5 limit 40
7) Router(config)# queue-list 1 queue 1 byte-count 7400
8) Router(config)# queue-list 1 queue 2 byte-count 1400
9) Router(config)# queue-list 1 queue 5 byte-count 3000
10) Router(config)# access-list 10 permit 239.1.1.0 0.0.0.255
11) Router(config)# interface serial 0
12) Router(config-if)# custom-queue-list 1
Line #1
* Assigns traffic matching IP access list 10 to queue number 1.
Line #2
* Assigns Telnet packets to queue number 2.
Line #3
* Assigns UDP Domain Name Service (DNS) packets to queue number 3.
Line #4
* Assigns packets entering on serial interface 0 to queue number 4.
Line #5
* All remaining traffic will be sent to queue number 5.
Line #6
* Increased the length of queue 5 from the default 20 packets to 40 packets.
Line #7
* Increases the byte count for queue number 1 from the default of 1500 to
7400 bytes, or 50% of the available bandwidth, based on:
((3 x 1500) + (1 x 3000) + (1 x 1400)) - 1500 = 7400
Line #8
* Decreases the byte count for queue number 2 from the default of 1500 to
1400 bytes.
Line #9
* Increases the byte count for queue number 5 from the default of 1500 to
3000 bytes.
Line #10
* Defines access list 10.
Line #12
* Assigns custom queue list number 1 to serial interface 0.
Unstated above is that queues 4 and 5 are set for 1500 bytes, the default
value. In this example the total byte-count is 14,800 bytes. IP is set for
50% of the traffic, with the rest shared among the other traffic in
proportion to their byte counts.
I hope that helps...
--- Dennis Laganiere (the author...:)
-----Original Message-----
From: alex fayn [mailto:afayn@yahoo.com]
Sent: Tuesday, June 04, 2002 9:57 PM
To: ccielab@groupstudy.com
Subject: Custom Queuing
The scenario that I have is:
mace sure that S0 is configured that:
IPX gets %50
DSLW gets %25
Telnet gets %15
Other gets %10
The interface BW1544 k
What queue parameters should I configure ?
I am trying to fiend a good document or book that will explain Custom
Queuing and queue parameters. Please let me know if anybody have a link or
know about the book that has an explanation on this subject.
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