https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-we-stack-x690-100g-using-the-transceiver-10-0gb-dac-qsfp28/m-p/75810#M19334 Hi,<BR /> <BR /> Can we stack x690 using the transceiver - 10 0Gb QSFP28 LR4 10 km or DAC cable --- 10 0Gb, DAC QSFP28-QSFP28 0.5m ----- 100G stacking required. Sat, 13 Apr 2019 14:05:17 GMT NKukke 2019-04-13T14:05:17Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-we-stack-x690-100g-using-the-transceiver-10-0gb-dac-qsfp28/m-p/75810#M19334 Hi,<BR /> <BR /> Can we stack x690 using the transceiver - 10 0Gb QSFP28 LR4 10 km or DAC cable --- 10 0Gb, DAC QSFP28-QSFP28 0.5m ----- 100G stacking required. Sat, 13 Apr 2019 14:05:17 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-we-stack-x690-100g-using-the-transceiver-10-0gb-dac-qsfp28/m-p/75810#M19334 NKukke 2019-04-13T14:05:17Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-we-stack-x690-100g-using-the-transceiver-10-0gb-dac-qsfp28/m-p/75811#M19335 Yes, per the datasheet (page 2):<BR /> <BR /> "Any of the supported 100 Gb QSFP28 direct attach cables can be used for the stacking links"<BR /> <BR /> https://cloud.kapostcontent.net/pub/44317954-ef18-4082-8714-3b22a9540f32/x690-data-sheet.pdf?kui=t3jIjd3uJZgg-RyyxO3sWg<BR /> <BR /> The QSFP28 LR4 cables are listed in the ordering information at the bottom of the datasheet. Tue, 23 Apr 2019 21:33:43 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-we-stack-x690-100g-using-the-transceiver-10-0gb-dac-qsfp28/m-p/75811#M19335 Ty_Izzet 2019-04-23T21:33:43Z