Cross connection not supported in a 3m DAC cable for 7150 switch

[Chandini]

Issue noticed:

When a 3m DAC cable connection is made in 7150 between port 1/3/1 to 2/3/3

The link remains down, and the two switches will not stack with each other.

Details from Ruckus optic guide:

Link to Ruckus optic guide for reference:

• https://www.commscope.com/globalassets/digizuite/61722-ds-ethernet-optics-family.pdf

Below is link to KBA which briefs about the problem:

• https://support.ruckuswireless.com/articles/000011828

Technical Bulletin link:

• https://support.ruckuswireless.com/technical_support_bulletins/607