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Answer: Create a design that uses a BGP multi-exit discriminator (MED) attribute to influence the egress path from Google Cloud to the on-premises environment.
The requirement is to design an active/passive hybrid connectivity setup using BGP attributes to influence Google Cloud's egress path to the on-premises environment. The correct approach is to use the BGP multi-exit discriminator (MED) attribute to influence the egress path from Google Cloud to the on-premises environment. This is because MED is used to signal the preferred ingress path into the on-premises AS, making it effective for ensuring active/passive failover by prioritizing one VLAN over the other when AS_PATH lengths are equal.
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To establish hybrid connectivity with VLAN attachments terminating in a single Cloud Router while ensuring 99.9% uptime, how would you design the network for an on-premises router with an active/passive configuration that utilizes only one VLAN attachment at a time?
A
Create a design that uses the LOCAL_PREF BGP attribute to influence the egress path from Google Cloud to the on-premises environment.
B
Create a design that uses an equal-cost multipath (ECMP) with flow-based hashing on your on-premises devices.
C
Create a design that uses a BGP multi-exit discriminator (MED) attribute to influence the egress path from Google Cloud to the on-premises environment.
D
Create a design that uses the AS_PATH BGP attribute to influence the egress path from Google Cloud to the on-premises environment.