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Bandwidth Managment with Cisco 2600

Posted on 2002-04-30
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Last Modified: 2009-03-23
Hi,

is it possible to do a sort of bandwidth management on a cisco 2600 router?

Let me explain. I have 2 host behind a 2600 router (connected via the ethernet adaptor). The other side of the router is a WAN link serial leased line (128k).
Is it possible to let ftp traffic to one host with a bandwidth limitation of 80k and the other host 48k of maximum ftp traffic.

Hope you understand what i mean :)

Kind regards

PCassimans  
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Question by:PCassimans
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12 Comments
 
LVL 79

Expert Comment

by:lrmoore
ID: 6982113
You can use Generic Traffic Shaping to rate-limit based on source IP address

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/qos_c/qcprt4/qcdgts.htm


example:

access-list 101 permit host <host1 IP> any eq ftp
access-list 102 permit host <host2 IP> any eq ftp

interface ether 0/0
 traffic-shape group 101 80000
 traffic-shape group 102 48000


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Author Comment

by:PCassimans
ID: 6995953
Hi thx for the fast reply.

In the cisco document they say the following:

"It is only supported on generic routing encapsulation (GRE) tunnel interfaces"

Do i have to do something special for that?

It is not supported on ISDN. (i don't need it right now, but in the future maybe). Is there an other way to do it on ISDN?

Pierre
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Expert Comment

by:hmkias
ID: 7139616
Since u say u have two hosts connected to the router , u can very well define the bandwidth at the WAN port & ethernet port  using BANDWIDTH command respectively . It should work well. Traffic shaping is also  when u hv too many hosts on the subnet & thereby control the BW for every IP.

Regards,
Kias
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Author Comment

by:PCassimans
ID: 7139900
hmkias,

Can you give me an example of what you
propose to do?

thx

PS:please don't post answers but only comments, otherwise the question is locked for comment from other experts!
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LVL 79

Accepted Solution

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lrmoore earned 200 total points
ID: 7140383
Traffic shaping can be applied to any interface not just a GRE tunnel.

The bandwidth statement on an interface does absolutely nothing to limit the bandwidth. It is used exclusively by internal system processes and by external network management systems as a measure of what the bandwidth should be.

What version IOS are you running?
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Author Comment

by:PCassimans
ID: 7140602
lrmoore

IOS 12.1 ip feature pack.

I'll have a test with traffic shaping over isdn, and if it works i'll accept your answer with pleasure :)


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LVL 79

Expert Comment

by:lrmoore
ID: 7140618
You still put the traffic shaping on the internal Ethernet interface to limit the traffic from that interface across the WAN regardless of whether or not the WAN interface is ISDN, PPP, frame-relay, whatever..
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Author Comment

by:PCassimans
ID: 7369363
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by:PCassimans
ID: 7369372
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by:PCassimans
ID: 7369378
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LVL 79

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by:lrmoore
ID: 7803904

This question appears to be abandoned. I will allow one week before I close this question
with the following recommendation:

- points to lrmoore

if there is any objection to this recommendation then please post it here within 7 days.

thanks,

lrmoore@nw
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by:SpideyMod
ID: 7866004
per recommendation

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