Reference Guide
Configuration Notes................................................................................................................... 892
Primary and Secondary VLT Peers............................................................................................. 896
RSTP and VLT..............................................................................................................................896
VLT Bandwidth Monitoring.........................................................................................................896
VLT and IGMP Snooping.............................................................................................................897
VLT IPv6.......................................................................................................................................897
VLT Port Delayed Restoration.................................................................................................... 897
PIM-Sparse Mode Support on VLT.............................................................................................897
VLT Routing ................................................................................................................................899
Non-VLT ARP Sync..................................................................................................................... 901
RSTP Configuration...........................................................................................................................901
Preventing Forwarding Loops in a VLT Domain........................................................................902
Sample RSTP Configuration....................................................................................................... 902
Configuring VLT..........................................................................................................................903
PVST+ Configuration........................................................................................................................ 914
Sample PVST+ Configuration..................................................................................................... 914
eVLT Configuration Example............................................................................................................915
eVLT Configuration Step Examples............................................................................................916
PIM-Sparse Mode Configuration Example.......................................................................................918
Verifying a VLT Configuration...........................................................................................................918
Additional VLT Sample Configurations............................................................................................ 922
Troubleshooting VLT........................................................................................................................924
Reconfiguring Stacked Switches as VLT..........................................................................................926
Specifying VLT Nodes in a PVLAN....................................................................................................926
Association of VLTi as a Member of a PVLAN............................................................................927
MAC Synchronization for VLT Nodes in a PVLAN..................................................................... 928
PVLAN Operations When One VLT Peer is Down..................................................................... 928
PVLAN Operations When a VLT Peer is Restarted.....................................................................928
Interoperation of VLT Nodes in a PVLAN with ARP Requests...................................................928
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN........929
Configuring a VLT VLAN or LAG in a PVLAN................................................................................... 930
Creating a VLT LAG or a VLT VLAN............................................................................................930
Associating the VLT LAG or VLT VLAN in a PVLAN.................................................................... 931
Proxy ARP Capability on VLT Peer Nodes........................................................................................932
Working of Proxy ARP for VLT Peer Nodes................................................................................933
VLT Nodes as Rendezvous Points for Multicast Resiliency.............................................................934
Configuring VLAN-Stack over VLT...................................................................................................935
55 Virtual Extensible LAN (VXLAN)................................................................... 939
Overview........................................................................................................................................... 939
Components of VXLAN network..................................................................................................... 940
Components of VXLAN network................................................................................................940
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