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VOSS : Simplified vIST configuration

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TitleVOSS : Simplified vIST configuration
Objective
Simplified vIST configuration to build switch cluster when switches are running on non-spbm mode ("no boot config flags spbm-config-mode")
Environment
VOSS
VSP 8400
VSP 8200
VSP 7200
Procedure
Simplified vIST is available for conventional multicast deployments with PIM(Protocol Independent Multicast) and IGMP (Internet Group Management Protocol) only when the boot flag (spbm-config-mode) is disabled.
 
Important:
  • PIM is supported with Simplified vIST only, not SPB vIST 
  • When boot config flags spbm-config-mode is enabled (default setting), Simplified vIST is not available 
  • Simplified vIST can be configured only when two vIST devices are directly connected 

Below is the step by step procedure to configure simplified virtual-IST.
1. Disable the spbm-config-mode boot flag, Save the configuration and reboot the switch to make the changes take effect.
no boot config flags spbm-config-mode
save config
reset

Verify the flag using the command "show boot config flags"

2. Create the vIST VLAN and assign an IP.
vlan create <2-4059> type port-mstprstp <0–63>
interface vlan <1-4059>
ip address <A.B.C.D/X>

3. Configure the vIST peer address and VLAN:
virtual-ist peer-ip <A.B.C.D> vlan <1-4059>

4. Configure the vIST MLT:
mlt <1-512> enable
mlt <1-512> member {IST port numbers}
mlt <1-512> encapsulation dot1q
interface mlt <1-512>
    virtual-ist enable

Check the functionality by using below show command:
#show virtual-ist
Additional notes

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