In c6509 vsss mode, duplication occurs in some Vlan of Unit 1 after reloading of Unit 2I removed the port where the duplication occurred, but the symptoms are the same. I'd like to know why the duplications are coming up on Unit 1  

The module is RSP440-TR and the current version is 4.3.4The client is currently using Telnet and Password md5 formats.You need to upgrade to use SSHv2 and algorithm (sha-256/512).Equipment Sw and Hw can not be guaranteed when upgrading from Cisco to ...