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Question 4

Scenario: A NetScaler is configured with the following modes:

-MAC-based Forwarding

-USIP

-USNIP

-Layer 3 mode

A Citrix Administrator configured a new router and now requires some of the incoming and outgoing traffic to take different paths through the new router. However, the administrator notices that this is failing and takes a network trace. After a short monitoring period, the administrator notices that the packets are still NOT getting to the new router from the NetScaler.

Which mode should the administrator disable on the NetScaler to facilitate the addition of the new router and successfully route the packets?

    Correct Answer: A

    MAC-based Forwarding (MBF) should be disabled in this scenario. MBF ensures that packets return through the same path by using the MAC address of the received packet. If MBF is enabled, it can prevent packets from taking different paths through different routers as required by the administrator. Disabling MBF will allow the NetScaler to use route lookup for returning packets, facilitating the use of multiple paths through the new router.

Discussion
Kevin2020Option: A

MAC based forwarding: This mode allows NetScaler to return packets based upon the MAC address of the received packet. For example, in environments where you have multiple routers, and you need to make sure that the packets are returned through the same path, we need to enable the MAC-based forwarding mode. If this feature is disabled, the return path is based upon the route look up.

Sandy909Option: A

Correct answer is A https://docs.citrix.com/en-us/citrix-adc/current-release/networking/interfaces/configuring-mac-based-forwarding.html#:~:text=With%20MAC%2Dbased%20forwarding%20(MBF,address%20for%20the%20resulting%20replies.