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What are the differences between HSRP version 2 and HSRP version 1?

differences hsrp version
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What are the differences between HSRP version 2 and HSRP version 1?

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A. The differences between HSRP version 2 and HSRP version 1 are as follows: • In HSRP version 1, millisecond timer values are not advertised or learned. HSRP version 2 advertises and learns millisecond timer values. This change ensures stability of the HSRP groups in all cases. • The group numbers in version 1 are restricted to the range from 0 to 255. HSRP version 2 expands the group number range from 0 to 4095. For example, new MAC address range will be used, 0000.0C9F.Fyyy, where yyy = 000-FFF (0-4095). • HSRP version 2 uses the new IP multicast address 224.0.0.102 to send hello packets instead of the multicast address of 224.0.0.2, which is used by version 1. • HSRP version 2 packet format includes a 6-byte identifier field that is used to uniquely identify the sender of the message. Typically, this field is populated with the interface MAC address. This improves troubleshooting network loops and configuration errors. • HSRP version 2 allows for future support of IPv6. • HSRP vers

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