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New Member

max-reserved-bandwidth on ISR 3900

We are migrating a remote site's router from a 2811 to an ISR 3925. One of the commands on the WAN interface of the 2811 (which happened to be a FastEthernet interface, as we have an ethernet service from our ISP) will not take on the new 3900 - running IOS 15.2(4)M5.

The max-reserved-bandwidth command does not seem to exist on the GigabitEthernet interfaces. Since we have voice traffic running over this interface, we need to ensure the QoS is working appropriately. Does the bandwidth qos-reference command take the place of the max-reserved-bandwidth option?

Thanks!

Everyone's tags (4)
4 REPLIES
Super Bronze

Re: max-reserved-bandwidth on ISR 3900

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

The max-reserved-bandwidth became, I believe, obsolete with HQF (12.4[20]T).  15.x may have dropped it.

New Member

Re: max-reserved-bandwidth on ISR 3900

Thank you Joseph! After some additional discussion, I don't believe that the lack of this command will hurt us, but do you know if there is an equivalent in 15.X?

VIP Purple

Re: max-reserved-bandwidth on ISR 3900

Hi Aweise,

I am not sure about this just wanted to share if it can help refring to your question:

http://www.cisco.com/en/US/docs/ios/qos/configuration/guide/legacy_qos_cli_deprecation.html

http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/legacy_qos_cli_deprecation_xe.html

Configuring Bandwidth Allocation  -IOS

Commands

max-reserved-bandwidth

Command Usage

Router(config)# interface type number
Router(config-if)# max-reserved-bandwidth percentage

Command Usage

Router(config)# policy-map policy-map-name
Router(config-pmap)# class class-default
Router(config-pmap-c)# bandwidth {bandwidth-in-kbps | 
remaining percent percentage | percent percentage}

Configuring Bandwidth Allocation - IOS-XE

Commands

max-reserved-bandwidth

Command Usage

Router(config)# interface type number
Router(config-if)# max-reserved-bandwidth percentage

Command Usage

Router(config)# policy-map policy-map-name
Router(config-pmap)# class class-default
Router(config-pmap-c)# bandwidth {bandwidth-in-kbps | 
remaining percent percentage | percent percentage}

Hope it helps.

Regards

Please rate if it helps.

Super Bronze

Re: max-reserved-bandwidth on ISR 3900

Disclaimer

The  Author of this posting offers the information contained within this  posting without consideration and with the reader's understanding that  there's no implied or expressed suitability or fitness for any purpose.  Information provided is for informational purposes only and should not  be construed as rendering professional advice of any kind. Usage of this  posting's information is solely at reader's own risk.

Liability Disclaimer

In  no event shall Author be liable for any damages whatsoever (including,  without limitation, damages for loss of use, data or profit) arising out  of the use or inability to use the posting's information even if Author  has been advised of the possibility of such damage.

Posting

 

No, I don't know of a replacement.  Lack of it shouldn't hurt, although you may want to insure all your classes have a defined bandwidth allocation.

PS:

Sandeep's posting tells us the commands have been deprecated.

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