Use traffic amount as threshold via radius

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Sep 17th, 2007
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Hi,


is it possible, to pre-set an amount of traffic for remote users, after that the connection is closed, via radius vsa? (for prepaid-cards customers, with ie. 1gb of traffic).


I was thinking about qos policy via radius attribute, but I've found only about rate limiting.


Thanks in advance,


Massimiliano

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htarra Fri, 09/21/2007 - 12:47
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I think you can do . You need the cisco-policy-up/down as you are attaching the service policies to the virtual-accessintefaces which is what those atts are doing.The following needs to be added to the radius dictionary to make this work: VENDOR Cisco 9

ATTRIBUTE Cisco-avpair 1 string Cisco

ATTRIBUTE Cisco-Policy-Up 37 string Cisco

ATTRIBUTE Cisco-Policy-Down 38 string Cisco


massimiliano.macri Mon, 09/24/2007 - 01:42
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Hi, thanks for the answer


I'm not sure about how to specify the correct policy in the radius users profiles, ie this should accomplish rate limiting:


[email protected] Password = "cisco"

Service-Type = Framed,

Framed-Protocol = PPP,

Framed-MTU = 1400,

Framed-Routing = 1

Cisco-Avpair = "lcp:interface-config=rate-limit output

access-group 101 64000 16000 32000 conform-action transmit exceed-action drop",

interface Virtual-Access2

mtu 1492

ip unnumbered Loopback1

rate-limit output access-group 101 64000

16000 32000 conform-action transmit exceed-action drop


I was trying to understand what are the correct strings for the quota management, so I can build a "quota profile".


Thanks,


Massimiliano

massimiliano.macri Mon, 09/24/2007 - 01:46
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Hi, I forgot that the other half of the problem is probably create a correct policy on the device, ie (same for limiting):


policymap parent_shaping

class class-default

shape average {speed}

service-policy child_queueing

policymap child_queueing

class c1

priority Y

class c2

bandwidth X


interface ethernet 1/0

pppoe enable

service-policy output parent_shaping


I have no hints or documentation for quota limiting,


Thanks


Massimiliano

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