Multi-Chassis Trunking

• 1 Multi-Chassis Trunking
  • 1.1 Multi-Chassis Trunking Overview
    • 1.1.1 How MCT Works
    • 1.1.2 MCT Terminology
    • 1.1.3 MCT Data Flow
    • 1.1.4 MCT and VLANs
    • 1.1.5 MCT Feature Interaction and Unsupported Features
    • 1.1.6 MCT Board Type Compatibility
  • 1.2 Basic MCT Configuration
    • 1.2.1 MCT configuration considerations
    • 1.2.2 Differences in Configuring MCT for the Switch and Router Image
    • 1.2.3 Configuring MCT
      • 1.2.3.1 Step 1: Configure ICL for Cluster Devices and LAGs for Client Devices
      • 1.2.3.2 Step 2: Configure the MCT VLAN, MCT Session VLAN, and Recommended MCT keep-alive VLAN
      • 1.2.3.3 Step 3: Configuring the Cluster
      • 1.2.3.4 Step 4: Configuring Clients
    • 1.2.4 Forcing a Port Up in a Basic MCT Configuration
  • 1.3 Cluster Client Automatic Configuration
    • 1.3.1 Setting Up Cluster Client Automatic Configuration
  • 1.4 MCT Failover Scenarios
    • 1.4.1 Cluster Failover Mode
      • 1.4.1.1 Configuring the Failover Mode
    • 1.4.2 Client Isolation Mode
      • 1.4.2.1 Configuring Client Isolation Mode
    • 1.4.3 Shutting Down All Client Interfaces
    • 1.4.4 Using the Keep-Alive VLAN
    • 1.4.5 Setting Keep-Alive Timers and Hold Time
  • 1.5 Layer 2 Behavior with MCT
    • 1.5.1 Dynamic Trunks
    • 1.5.2 Port Loop Detection
    • 1.5.3 MCT Layer 2 Protocols
    • 1.5.4 Layer 2 Multicast Snooping over MCT
      • 1.5.4.1 IGMP and MLD Snooping
      • 1.5.4.2 IGMP and MLD Snooping Behavior on MCT Cluster Devices
      • 1.5.4.3 How Failovers are Handled for Layer 2 Multicast over MCT
      • 1.5.4.4 PIM-SM and PIM6-SM Snooping over MCT
      • 1.5.4.5 Forwarding Entries for PIM-SM and PIM6-SM Multicast Snooping
      • 1.5.4.6 Displaying Information for Multicast Snooping
      • 1.5.4.7 Multicast Snooping Configuration Example
  • 1.6 Layer 3 Behavior with MCT
    • 1.6.1 Layer 3 Unicast Forwarding over MCT
      • 1.6.1.1 Layer 3 Traffic Forwarding Toward MCT Clients
      • 1.6.1.2 Layer 3 Traffic Forwarding From MCT Clients
    • 1.6.2 User-defined VRF Support over MCT
    • 1.6.3 VRRP or VRRP-E over an MCT-Enabled Network
    • 1.6.4 OSPF and BGP over an MCT-Enabled Network
    • 1.6.5 Layer 3 with MCT configuration considerations
    • 1.6.6 MCT Configuration for a Single-Level MCT Deployment
      • 1.6.6.1 MCT Configuration: RouterA
      • 1.6.6.2 MCT Configuration: RouterB
      • 1.6.6.3 MCT Configuration: S1-SW Device
    • 1.6.7 MCT Configuration with VRRP-E
      • 1.6.7.1 VRRP-E Configuration: Router A
      • 1.6.7.2 VRRP-E Configuration: Router B
    • 1.6.8 MCT Configuration with OSPF
    • 1.6.9 MCT Configuration with BGP
    • 1.6.10 PIM Over MCT Intermediate Router Functionality
      • 1.6.10.1 MCT Peer as Intermediate Upstream Router
      • 1.6.10.2 MCT Peer as Intermediate Downstream Router
      • 1.6.10.3 Load Sharing of Multicast Traffic by MCT-Cluster on CCEP Links
      • 1.6.10.4 Fast Convergence of Multicast Traffic
      • 1.6.10.5 Requirements for Multicast MCT
      • 1.6.10.6 Limitations
      • 1.6.10.7 Configuring Multicast Routing over MCT
  • 1.7 Displaying MCT information
    • 1.7.1 MAC clear Commands
  • 1.8 Single-Level MCT Configuration Example
    • 1.8.1 Client 1 Configuration
    • 1.8.2 Client 2 Configuration
    • 1.8.3 AGG-A (R1) Configuration
    • 1.8.4 AGG-B (R2) Configuration
  • 1.9 Two-Level MCT Configuration Example
    • 1.9.1 AGG-A (R1) Configuration
    • 1.9.2 AGG-B (R2) Configuration
    • 1.9.3 DIST-A (R3) Configuration
    • 1.9.4 DIST-B (R4) Configuration
  • 1.10 MCT Configuration Examples Using STP
    • 1.10.1 Configuring the Per-VLAN Spanning Tree on the MCT Clients Example
  • 1.11 STP Configuration Example on MCT Cluster Devices
    • 1.11.1 Configure the Per-VLAN Spanning Tree on the MCT Cluster Devices Example