Refer to the exhibit. A port channel link between abranch site and the main site experiences an outage after a hardware upgrade at the branch site. The network administrator at the main site checks the log and sees a “%SPANTREE-2-CHNL_MISCFG” message. What is a likely cause of this message?
- The branch site has been configured for the Spanning Tree Protocol, but the main site has not.
- The main site has been configured to bundle links into an EtherChannel and the branch site has not.
- The branch site is running a newer, incompatible version of the Spanning Tree Protocol.
- The main site has inconsistencies in the physical ports that are members of the channel.