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sandy16's avatar
sandy16
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Dec 14, 2012

F5 and Cisco Nexus VPC

Hi, my network design is as follows: I have a pair of F5-ltms connected to a pair of nexus 5k. In other words, each ltm is dual connected to both the cisco n5ks in a vpc-fashion. My N5ks are purely l...
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Josh_Abaire's avatar
Josh_Abaire
Icon for Nimbostratus rankNimbostratus
Dec 14, 2012
Why would the F5 ever reply to the 5k? If the 5k is strictly layer 2, it would be replying to the MAC of the layer 3 address. The only issue is when the 5k has a VPC to the layer 3 device such as a 7k and it is running HSRP. You'll want to have peer-gateway enabled since you cannot control if that traffic destined to that MAC will hit the A side or the B side and the 7k will not forward that traffic across the vPC peer-link.