How it works...
In this recipe, we configured the already-deployed ESG from the previous recipe for BGP routing and peering with the already-deployed DLR. BGP Peering was using a private autonomous system number and is considered internal BGP (iBGP) peering as both the DLR and ESG are using the same AS number. The ESG was already configured for a default gateway, which is where all the network traffic will pass through if a more specific route has not been learned or specified on the ESG. The reason a default gateway is preferred in this model is that the logical networks behind the ESG and DLR are non-transient and, for all intents and purposes, are considered stub networks. However, using a default gateway on the ESG implies the upstream ...
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