Also have a look at this. As Saku said, hopefully it will translate to the X range.
http://blog.ipexpert.com/2010/05/26/introduction-to-catalyst-3560-qos/ Nick -- Nick Ryce Fluency Communications Ltd. e. [email protected] w. http://fluency.net.uk/ t. 0845 874 7000 On 30/04/2013 07:01, "Victor Sudakov" <[email protected]> wrote: >Colleagues, > >I have enabled "mls qos" on some C3560X switches and configured >"mls qos trust cos" on the trunk ports. Nothing more. > >In Wireshark I can see that some packets generated by the switches >themselves have some non-default CoS values. E.g. OSPF hello packets >and PIM messages have the cos value of 6 in the 802.1Q header, STP >frames have the value of 7 etc etc. > >Why does this happen and where is it documented? > >I have read somewhere that IOS marks IP routing traffic to DSCP CS6. >Is there some mapping between DSCP and CoS bits enabled by default? >However, there can be no question of DSCP in STP frames. > >Where can I read what else is marked by default and how? > >Thanks in advance for any input. > >-- >Victor Sudakov, VAS4-RIPE, VAS47-RIPN >sip:[email protected] >_______________________________________________ >cisco-nsp mailing list [email protected] >https://puck.nether.net/mailman/listinfo/cisco-nsp >archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
