Well do post your diagram, and also the show version of your router. Remember that in your GLBP your LAN has to be directly connected to your internet Routers. But i have a feeling that you might have a Firewall in between your LAN and router. In that case you cant use GLBP and have to go with HSRP with the tracking interface option.
1.1 In WAN side, if you plan to connect between two ISPs, you need to have your own AS and IP Address block from RIR plus your uplink should be different TELCO and you have two routers running BGP. With this setup, you achieve full redundancy in terms of TELCO, ISP, and router and also load sharing.
1.2 If you can't get your own AS and IP Address block from RIR. You can still achieve router redundancy, TELCO redundancy, load sharing but not ISP redundancy. You can connect to a single ISP with two uplink from different TELCO, get your ISP to connect these two uplinks to different routers in their side. Your ISP will then give you Private AS and minimum of two subnets/networks so that you can load share them between two uplinks.
With two routers mentioned in WAN, you should use GLBP so that your upload to WAN is load balance (depends on the GLBP configuration) while your download from WAN using BGP is load shared.
NOTE: I already did 1.2 and 2 for majority of setup. I also did 1.1 and 2 for some setup. 1.2 and 2 is attractive to small networks. 1.1 and 2 is for bigger networks which requires AS and IP Address block from RIR
VMware Trunk Port Group is supported from ACI version 2.1
VMM integration must be configured properly
ASA device package must be uploaded to APIC
ASAv version must be compatible with ACI and device package version
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