With OS10.5.2.2 and later releases, SFS dynamically discovers unknown servers using the standard LLDPDUs sent out through the connected ports. Unknown server is a host that does not send a Dell custom TLV in LLDP frame. Upon discovery, the client management network is configured by default.
NOTE:If the LLDP TLVs are advertised with both bridge and routing capabilities, SFS considers that the interface is connected to a switch or router. Hence, the client management network, VLAN 4091, is not configured on that interface.
For dynamic discovery, the Port-id TLV in LLDP packet is mandatory. SFS matches the port-ID TLV value in the LLDP packet against the
Interface field in the server interface profile to onboard the unknown server. After the server interface profile is configured, the onboarding criteria for an unknown server is the same as onboarding a known server.
NOTE:Ensure that the LLDP port-ID TLV value of the unknown server is unique to avoid misconfiguration.
If both known and unknown LLDP neighbors exist on the same interface, SFS discovers these servers as known and unknown servers. During onboarding, if the server profile matches with both the known and unknown discovered servers on the same physical interface or with the same server interface profile, the order of onboarding is as follows:
Known discovered server
Unknown discovered server
If you offboard the known server, SFS checks for the unknown server and onboards it if available.
If both known and unknown LLDP neighbors exist with the same port ID, SFS discovers both the known and unknown servers. During the onboard process, the order of onboarding is as follows:
Known discovered server
Unknown discovered server
If you offboard the known server, SFS checks for the unknown server and onboards the server if available.
If there is a static onboarding server profile that is configured on an interface where the known and unknown LLDP neighbors exist, SFS discovers both the LLDP neighbors. During onboarding if there are conflicts on the physical interface or server interface profiles, the priority order of onboarding is as follows:
Static onboarding
Known discovered server
Unknown discovered server
If you offboard the statically onboarded server, SFS checks the known servers list first and then the unknown server list to onboard the device based on the priority order.
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