Does SPA-5X1GE-V2 on SIP-600 (7600) support L2/L3 ether-channel? URL below only mentioned about the 10-Port GE SPA. It did not mention about 5-Port GE SPA. http://www.cisco.com/en/US/products/hw/routers/ps368/module_installation_and_configuration_guides_chapter09186a0080523f3c.html#wp1181598