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Introduction
Physical Architecture Considerations
LAG Configuration
The RC (when installed on bare metal, Rover and Unicycle genesis nodes boot via their VLAN tagged 'host' interfaces which are pre-provisioned on the serving TOR switches with LAG bonding. Since booting occurs before the linux kernel can bring up its LAC-P signaling the TOR switches must be configured to pass traffic on their primary (first) link before the LAG bundle is up.
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It is possible to split the 'host' network spanning the WAN into multiple routed L2 domains using functionality such as DHCP helper/relay on the Unicycle genesis TOR but this is unverified in R1. Note: this is not applicable to the other nodes in the unicycle pod as the DHCP and PXE boot process is supported over the local 'pxe' network.