I am currently working on a network redesign project with all Cisco gear. Our network engineer is opting for a complete HSRP Active/Active environment. According to all deployment documentation, HA Active/Passive seems to be the preferred methed for the Palo Alto's. I see that the PA's do support A/A HA using VRRP, so I do not see a configuration issue. Can someone provide the pro's and con's of deploying the PA's in an A/P vs. A/A environment? Are there any performance implications? Are there any issues when using the PA's in an A/A configuration for VPN termination, etc...?
Gotcha. Perhaps this is more what you are looking for on the Cisco side?
I'm only finding ECMP articles on PAN related to eBGP.
I'm trying to understand the best option when putting 2 x PA NGFW's in Active/Passive, each with Vwire's between a Check Point 2-Node Active/Passive Cluster and 2 x L3 Switches. My specific concern was how the Active PA NGFW would follow the Active Check Point Cluster Node in a fail-over event. My concern quickly switched however when VSLS was enabled to make the Check Point Cluster Active/Active. Now I am trying to understand the implications of PA Active/Active Vwire's in a failure scenario.
My backup plan is no HA with TCP syn check disabled and to be honest will most likely be the chosen option as we're in emergency response mode for this work.
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