Hi,
we have purchaced a WS-C3650-48PS for a project. In this project we need a backup link to our upstream partner but a we are not allowed to use spanning-tree nor a etherchannel. We did a test with a WS-C2960S-24TS-L with Flexlink and works like a charme.
During the configuration of a Flexlink backuk interface I noticed the switchport backup interface was not regonaize anymore. In the datasheet (https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3650-series-switches/datasheet-c78-729449.html ) is Flexlink mentioned: Flexlink provides link redundancy with convergence time less than 100ms.
There are documents available how to configure Flexlink on the 3650: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/3se/layer2/configuration_guide/b_lay2_3se_3650_cg/b_lay2_3se_3650_cg_chapter_0110.html
But in the data sheets of the versions (> 3.6.0 nd > 16.x) there is mentioned: Flex Links are not supported. We recommend that you use spanning tree protocol (STP) as the alternative.
Does anyone have a clue which version I need to be able to use Flex Link?
Hope to hear something.
BR Harald
