i have 2 cisco swicth and 5 esxi hosts. There are cross connection between esxi to 2 cisco swicths. 2 cisco switchs etherchannel and esxi ip hash policy . is there any problem on desing. or loop ?
ESX(i) vSwitches can't form loops.*
Running etherchannel with IP-hash load balancing is nothing special and shouldn't cause any problems if properly configured, just make sure you adhere to the supported configurations:
Host requirements for link aggregation for ESXi and ESX (1001938) | VMware KB
Sample configuration of EtherChannel / Link Aggregation Control Protocol (LACP) with ESXi/ESX and Cisco/HP switches (100…
*Unless you deliberately configure a VM with multiple vNICs in a very strange way to bridge between adapters and act as the loop-link.