description-logo Description

This indicates an attempt to use the HSRP protocol.
Hot Standby Router Protocol (HSRP) is a Cisco proprietary protocol to establish a fault-tolerant gateway. The protocol establishes a framework between network routers so that a secondary router will take over the gateway if the primary router fails.

affected-products-logoAffected Products

HSRP

Impact logoImpact

Unexpected network communication

Technology

Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device

Behavior

  • Reasonable

Default Ports

  • UDP/1985