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5.2

rate limiting DSL outbound traffic

Asked by td_miles in Network Routers

Tags: based, fair, queueing

Hi all,

I have a problem where when someone sends a large email out it uses all of the available bandwidth and stops a lot of other things from working. ADSL is 1500/256k. Router is Cisco 1721 with ADSL WIC (and ISDN for backup).

IOS is: C1700 Software (C1700-Y7-M), Version 12.2(15)ZL1

I would like to either:

1. limit outbound traffic on the ADSL (dialer3) interface based on access-lists
2. limit inbound traffic on FastEthernet interface (fa0) based on acl.

I have tried to apply a "service-policy input" (ie inbound) on the fa0 interface and it didn't work. It just didn't apply it. I could apply one outbound, but not inbound. I also tried to apply one outbound to the dialer3 interface and it gives me a warning/error:

" Class Based Weighted Fair Queueing will be applied only to the Virtual-Access interfaces associated with an MLP bundle."

It then requires a "clear int atm0" to bring the dialer3 (DSL) interface back up and doesn't appear to acually do any good in terms of limiting the bandwidth anyway.

Can what I want to do be done ? If so, how ? I have been trying things for the last 4-5 hours and am getting sick of reading docs on the Cisco web site. Any help appreciated.


Config looks like this (the interface section):

interface ATM0
 no ip address
 no atm ilmi-keepalive
 pvc 0/16 ilmi
 !
 dsl operating-mode auto
 hold-queue 224 in
!
interface ATM0.3 point-to-point
 description Internet Network
 pvc 8/35
  encapsulation aal5mux ppp dialer
  dialer pool-member 3
 !
!
interface BRI0
 description ISDN Connection - Backup
 bandwidth 128
 no ip address
 encapsulation ppp
 dialer pool-member 1
 isdn switch-type basic-net3
 no cdp enable
 ppp authentication chap
!
interface FastEthernet0
 ip address xyz
 speed auto
 full-duplex
!
interface Dialer1
 description Backup Internet Connection - ISDN
 bandwidth 128
 ip address negotiated
 ip access-group 102 in
 encapsulation ppp
 dialer pool 1
 dialer idle-timeout 600
 dialer string 55841500
 dialer hold-queue 10
 dialer load-threshold 127 outbound
 dialer-group 1
 no cdp enable
!
interface Dialer3
 description Primary Internet Connection
 bandwidth 1500
 ip address negotiated
 encapsulation ppp
 dialer pool 3
 dialer-group 3
 no cdp enable
!
[+][-]01/17/06 03:05 AM, ID: 15718454Accepted Solution

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About this solution

Zone: Network Routers
Tags: based, fair, queueing
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Solution Provided By: td_miles
Participating Experts: 2
Solution Grade: A
 
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