Refer to the exhibit. An EtherChannel was configured between switches S1 and S2, but the interfaces do not form an EtherChannel. What is the problem?
Configure LAGs with LACP between the VELOS system and Cisco Nexus 9000 series switches
Trunk configuration methods
Implementing EtherChannel in a Switched Network > Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Campus Network Architecture | Cisco Press
Cumulus to Arista Port channel :LACP , VLAN trunk config (link aggregation (bond), and 802.3ad) - YouTube
Nexus Virtual Port Channel (vPC) | routejockey
Implementing EtherChannel in a Switched Network > Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Campus Network Architecture | Cisco Press
Portchannel
4 Types of Port Channels and When They're Used :: packetmischief.ca
Configuring EtherChannel and 802.1Q Trunking Between Catalyst L2 Fixed Configuration Switches and a Router (InterVLAN Routing) - Cisco
Switchport Access Mode vs Trunk Mode - IP With Ease
Help with VLANS and HP to Cisco Trunks - Networking
Configuring Cisco WLC Link Aggregation (LAG) with Port-Channel EtherChannel. LAG Restrictions for WLC Models
Aggregate docking between Cisco devices and H3C S12500 devices - 知了社区
How to Configure a Cisco Switch (step by step) | HOWtoRouteSwitch
Exam 350-401 topic 1 question 107 discussion - ExamTopics
Cisco Nexus 9k Port Channel Configuration - Step by Step - UniNets Blog
cisco - How to trunk VLANs over Layer 3 EtherChannel? - Network Engineering Stack Exchange
Virutal Port Channel – Patrick Denis
Solved: S4112 trunk to Fortigate Vlan's - Dell Community
PORT CHANNEL VS ETHERCHANNEL - Difference in Port Channel & Etherchannel - IP With Ease
Configure Port Channel CISCO Switch - GPON Solution
Cisco EtherChannel Protocols and Configuration - FlackBox
