[c-nsp] Etherchannel QOS support on ISR4K

Chuck Church chuckchurch at gmail.com
Fri Aug 25 11:17:13 EDT 2017

Thank you Antoine.  Did the config require 'port-channel load-balancing
vlan-manual' or 'load-balancing vlan' commands to make it work?  Or at
least be accepted by the CLI?   So at this point there still is no working
marking on a port channel. That is unfortunate.


On Fri, Aug 25, 2017 at 9:00 AM, Antoine Monnier <mrantoinemonnier at gmail.com
> wrote:

> From memory we were running 3.16.x on ISR4K with a service-policy applied
> inbound on a port-channel to do marking. Config was "validated" by cisco
> themselves before it was put into prod.
> Was put into prod. Marking did not happen.
> We were then told it is not supported yet.
> Port-channel and QoS on ASR/ISR4K has always been an issue with lot of
> different limitations depending on the software you run.
> On Thu, Aug 24, 2017 at 2:55 PM, Chuck Church <chuckchurch at gmail.com>
> wrote:
>> All,
>>        I've been looking everywhere for a definitive doc on Ingress QOS
>> service-policy support.  All the docs I've found on Cisco's site seem to
>> mentions IOS-XE 3, but seem to be ASR1K specific.  Can't seem to find any
>> etherchannel docs for ISR4K specifically.  Upon trying to apply an ingress
>> policy on a 4K port channel int (main int has IP address, no subints), the
>> error message "service-policy input COS-IN not supported on this target"
>> is
>> displayed. It's a 4451-X running 3.13.3. Port channel config looks like
>> this:
>> interface Port-channel1 description HJ102530 Customer LAN ip address
>> 10.x.y.2 no ip proxy-arp ip flow monitor netflow input ip
>> flow monitor netflow output ip tcp adjust-mss 1432 no negotiation auto
>> Now I did find in this doc:
>> https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_mqc/co
>> nfiguration/xe-3s/qos-mqc-xe-3s-book/qos-eth-int.html#GUID-
>> AD7EB461-CAD5-463F-9F0D-4486D327D049
>> reference to these commands: port-channel load-balancing vlan-manual
>> or load-balancing
>> vlan (on interface)
>> This router is ISP-owned so I'd like to find out the definitive answer
>> prior to having them try something.  Anyone know the real deal with QOS
>> and
>> 4K?
>> Thanks,
>> Chuck
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