Cisco IE-4000 Software Configuration Manual page 783

Chapter Configuring HSRP and VRRP
VRRP Limitations
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The switch supports either HSRP or VRRP, but not both. The switch cannot join a stack that has both
HSRP and VRRP configured.
The VRRP implementation on the switch does not support the MIB specified in RFC 2787.
The VRRP implementation on the switch supports only text-based authentication.
You cannot enable VRRP for IPv4 and IPv6 groups simultaneously.
Cisco Industrial Ethernet 4000 Series Switch Software Configuration Guide
Configuring VRRP
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