2/2 OK 1 50 cm Yes Yes Yes 1 No Diagnosing the problem: • The Stack Port Status value is Down . • Link OK, Link Active, and Sync OK values are No . • The Cable Length value is 50 cm . The switch detects and correctly identifies the cable. The connection between Port 2 on Switch 1 and Port 1 on Switch 2 is unreliable on at least one of the connector pins. Additional References for Switch Stacks Related Documents Error Message Decoder Standards and RFCs MIBs Managing Switch Stacks Additional References for Switch Stacks Related Topic Document Title Cabling and powering on a switch stack.
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9300/ hardware/install/b c9300 hig.html _ _ Cisco Catalyst 9300 Series Switches Hardware Installation Guide SGACL High Availability "Cisco TrustSec SGACL High Availability" module of the Cisco TrustSec Switch Configuration Guide Description Link To help you research and resolve system error messages in this release, use the Error Message Decoder tool. https://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi Standard/RFC Title None — MIB MIBs Link All the supported MIBs for this release. To locate and download MIBs for selected platforms, Cisco IOS releases, and , use Cisco MIB Locator found at the following URL:
http://www.cisco.com/go/mibs Managing Switch Stacks 22