Hi,When configuring Gigabit Etherchannel (PAGP) Between Catalyst 4006 (SUP3, IOS 121-13.EW1) and Catalyst 6509 [SUP2 + MSFC2, CatOS 7.3(2) + MSFC2: 12.1(11b)E4. We are using the 18 port Gigabit module on Catalyst 4006 "WS-X4418" and port 2/1,2/2,2/1...