Refer to the exhibit. An engineer must implement a solution to ensure that ingress and egress traffic flows are symmetric for all stretched bridge domains in the customer multisite architecture. Which configuration accomplishes this goal?
A.
Configure host route advertisement on the bridge domains.
B.
Enable anycast services to the firewalls in both fabrics.
C.
Implement a policy-based redirect using a service graph.
D.
Add a new stretched external EPG to the existing L3Outs.
host route advertisement on the bridge domains se usa en la topologia de Multipod:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/4-x/L3-configuration/Cisco-APIC-Layer-3-Networking-Configuration-Guide-42x/Cisco-APIC-Layer-3-Networking-Configuration-Guide-42x_chapter_0100.html
Para la topologia de Multisite se requiere new stretched external EPG to the existing L3Outs. Un host route por BD isola por POD pero en Multisite se requiere algo mas especifico ya que el trabaja con replicas de paquetes entre el spine elegido hacia los demas.
Answer A:
"leading to the creation of an asymmetric traffic path. This behavior may lead to the drop of traffic in designs in which independent stateful firewalls are deployed between the fabrics and the WAN. This problem can be solved by leveraging a new functionality, supported on border leaf L3Outs from Cisco ACI Release 4.0(1), which allows advertising the most specific host-route information to the WAN"
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dante2008
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1 year ago