The ungleich netboot infrastructure¶

Status¶

The document is PRE PRODUCTION.

Server configuration¶

• All servers are supposed to have eth0 and eth1
  • Both cards are fiber
  • Both cards will be bonded
• The ROM/BIOS of servers should be configured for netbooting

Switch configuration¶

• Switches are MLAG bonded over two switches
• Servers are thus redundantly connected to two switches
• To support netbooting easily, we setup a "native vlan"
  • Aka which vlan to use if there is untagged traffic

Sample configuration from place6 (2021-02-07):

interface Port-Channel1
   switchport trunk native vlan 10
   switchport mode trunk
   port-channel lacp fallback static
   port-channel lacp fallback timeout 20
   mlag 1

IP configuration¶

• As many PXE roms still don't properly support IPv6, we use IPv4 netbooting
  • This might be changed in the future, when we can replace all ROMs with ipxe