200-301 · Question #2
How does HSRP provide first hop redundancy?
The correct answer is D. It uses a shared virtual MAC and a virtual IP address to a group of routers that serve as the. This virtual IP address is in the same subnet as the interface IP address, but it is a different IP address. The router then automatically creates the virtual MAC address. All the cooperating HSRP routers know these virtual addresses, but only the HSRP active router uses these ad
Question
How does HSRP provide first hop redundancy?
Options
- AIt load-balances traffic by assigning the same metric value to more than one route to the same
- BIt load-balances Layer 2 traffic along the path by flooding traffic out all interfaces configured with
- CIt forwards multiple packets to the same destination over different routed links in the data path
- DIt uses a shared virtual MAC and a virtual IP address to a group of routers that serve as the
How the community answered
(28 responses)- B7% (2)
- C4% (1)
- D89% (25)
Explanation
This virtual IP address is in the same subnet as the interface IP address, but it is a different IP address. The router then automatically creates the virtual MAC address. All the cooperating HSRP routers know these virtual addresses, but only the HSRP active router uses these addresses at any one point in time. The virtual router is responsible for host communications such as an ARP request for the host’s default gateway. Technically, this is served by the active router since it is hosting the virtual router. However, it is the virtual router’s IP address and MAC address that are used for outgoing
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