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350-001 · Question #193

Refer to exhibits 1 and 2. In exhibit 1, all users on the LAN segment use router A as the active HSRP router. Router B is the standby router for the HSRP. In exhibit 2, the network management team…

The correct answer is E. Use GLBP instead, because it provides you with up to four MAC addresses for the same default. In HSRP and VRRP, only the primary router is used to forward traffic, others routers must wait for the primary one down before they are used. Also, the bandwidth of the standby (and other) routers are not used and wasted. With GLBP, up to four gateways can be used…

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Question

Refer to exhibits 1 and 2. In exhibit 1, all users on the LAN segment use router A as the active HSRP router. Router B is the standby router for the HSRP. In exhibit 2, the network management team reported that there is no utilization on the WAN link B. To solve this problem, you decide to change the logical topology of your LAN, but you are not sure about what changes must be made. You must manage HSRP or change it to another protocol in order to provide the most scalable design, automatic redundancy, and load balancing. Which one of these actions would be the best choice?

Exhibit

350-001 question #193 exhibit

Options

  • AUse MHSRP, with three users using router A as the default gateway and three users using router
  • BKeep HSRP and activate PBR to redirect half of the traffic to the other WAN link.
  • CUse the backup interface on the WAN link B to provide load balancing for all users.
  • DUse GLBP instead, because it provides you with up to three MAC addresses for the same default
  • EUse GLBP instead, because it provides you with up to four MAC addresses for the same default

How the community answered

(54 responses)
  • A
    6% (3)
  • B
    9% (5)
  • C
    2% (1)
  • D
    20% (11)
  • E
    63% (34)

Explanation

In HSRP and VRRP, only the primary router is used to forward traffic, others routers must wait for the primary one down before they are used. Also, the bandwidth of the standby (and other) routers are not used and wasted. With GLBP, up to four gateways can be used simultaneously. There is still one virtual IP address in a group, but GLBP can automatically select which router in the group to forward traffic by sending the virtual MAC address of a selected router to that host.

Topics

#GLBP#HSRP#load balancing#gateway redundancy

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