The NIC settings choices for eth0, eth1 and eth2 are as follows:
Auto-Negotiate:
Gigabit interfaces: Auto-negotiation (auto-neg) - on
In this case, you must administer 1000-Mbps / full / auto-neg at each end of the Ethernet link.
100-Mbps interfaces: Auto-negotiation (auto-neg) - on
In this case, you must administer 100-Mbps / full / auto-neg at each end of the Ethernet link.
Lockdown: 100-Mbps interfaces
100-Mbps interfaces: Lockdown (auto-neg) - off
In this case, you must administer 100-Mbps / full / Lockdown at each end of the Ethernet link.
Important:
AE Services defaults to auto-negotiation mode; it negotiates the network speed and duplex mode with the Ethernet switch. Both ends of the Ethernet link must be set to the same mode. Otherwise, a duplex mismatch will occur. Verify that both ends of the Ethernet link operate at the same desired speed and duplex settings.
Keep in mind the following:
Auto-neg is highly desired for Gigabit links.
Auto-neg or Lockdown is acceptable for 100-Megabit links.
Lockdown for Gigabit links is highly discouraged.
10-Megabit and/or half-duplex operation is never acceptable and should be corrected.
See Editing the NIC configuration (optional) to set up the server NICs. For detailed information about using auto-negotiation and Lockdown, see Ethernet Link Guidelines at https://support.avaya.com/css/P8/documents/100121639.
