* [https://www.cisco.com/c/dam/en/us/products/collateral/switches/catalyst-9000/nb-09-25ge-100ge-wp-cte-en.pdf 25GE and 100GE – Enabling higher speeds in the enterprise with investment protection white paper] | * [https://www.cisco.com/c/dam/en/us/products/collateral/switches/catalyst-9000/nb-09-25ge-100ge-wp-cte-en.pdf 25GE and 100GE – Enabling higher speeds in the enterprise with investment protection white paper] |