05-22-2022 12:42 AM
Hi every one , i have 100 Mbps internet access and more than 5 subnets , i want to divide bandwidth between subnets or for each ip in subnet, i have 2951 cisco router , can any one provide me with the method of bandwidth limitation . with regards
05-22-2022 01:36 AM - edited 05-22-2022 01:37 AM
try to configure QoS like this
access-list 101 permit ip any a.a.a.a w.w.w.w ## Subnet 1 access-list 102 permit ip any b.b.b.b w.w.w.w ## Subnet 2 access-list 103 permit ip any c.c.c.c w.w.w.w ## Subnet 3 access-list 104 permit ip any d.d.d.d w.w.w.w ## Subnet 4 access-list 105 permit ip any e.e.e.e w.w.w.w ## Subnet 5 ! class-map subnet-1 match access-group 101 ! class-map subnet-2 match access-group 102 ! class-map subnet-3 match access-group 103 ! class-map subnet-4 match access-group 104 ! class-map subnet-5 match access-group 105 ! policy-map subnets class-map subnet-1 bandwidth percent 20 class-map subnet-2 bandwidth percent 20 class-map subnet-3 bandwidth percent 20 class-map subnet-4 bandwidth percent 20 class-map subnet-5 bandwidth percent 20 exit ! policy-map Qos-total class class-default police 100000000 conform-action transmit exceed-action drop service-policy subnets exit ! int fa0/1 service-policy output Qos-total exit
05-22-2022 08:12 AM
To the Internet or from the Internet or both?
Do you just want to manage bandwidth ratios between concurrent flows or do you wish to set absolute bandwidth limits? If the latter, to you wish to queue overrate traffic or immediately drop it?
Do you also wish to manage bandwidth, from the Internet to an internal destination such that the limit is imposed on the actual Internet link to you?
BTW, just a heads up, you can do very to much manage bandwidth, from your internal sources, to the Internet, but the converse (direction) can be very problematic even though you can still easily manage bandwidth actually received by internal sources.
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