http://blog.ipexpert.com/2010/05/26/introduction-to-catalyst-3560-qos/This is a great article from the Ipexpert guys..http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_55_se/configuration/guide/swqos.htmlLink to the 3560...
Can you provide mroe detial on the setup and connections between the 7k's, if you are peering VIA SVI's across the peer link or maybe BFD is on one side and not the other is a guess. Without knowing the topology its hard to say
Can you provide a bit more detial on wht your trying to accomplish One PO with 2 ports is usally the standard, not sure why your trying to create two port channels