Alcatel-Lucent OmniSwitch 6860 Series - Page 15

Contents
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 xv
Quick Steps for Configuring BFD ................................................................................20-4
Quick Steps for Configuring BFD Support for Layer 3 Protocols .........................20-6
BFD Overview ............................................................................................................20-10
Benefits of Using BFD For Failure Detection .....................................................20-10
How the BFD Protocol Works .............................................................................20-10
Operational Mode and Echo Function .................................................................20-11
BFD Packet Formats ............................................................................................20-11
BFD Session Establishment .................................................................................20-12
Configuring BFD ........................................................................................................20-14
Configuring BFD Session Parameters ..................................................................20-14
Configuring BFD Support for Layer 3 Protocols .................................................20-18
BFD Application Example ..........................................................................................20-33
Example Network Overview ................................................................................20-33
Verifying the BFD Configuration ...............................................................................20-39
Chapter 21 Configuring DHCP Relay .........................................................................................21-1
In This Chapter ..............................................................................................................21-1
DHCP Relay Defaults ...................................................................................................21-2
Quick Steps for Setting Up DHCP Relay .....................................................................21-3
DHCP Relay Overview .................................................................................................21-4
DHCP .....................................................................................................................21-5
DHCP and the OmniSwitch ...................................................................................21-5
External DHCP Relay Application ........................................................................21-6
Internal DHCP Relay .............................................................................................21-7
DHCP Relay Implementation .......................................................................................21-8
Global DHCP .........................................................................................................21-8
Per-VLAN DHCP ..................................................................................................21-8
Configuring BOOTP/DHCP Relay Parameters .....................................................21-9
Setting the Forward Delay ......................................................................................21-9
Setting Maximum Hops .......................................................................................21-10
Setting the Relay Forwarding Option ...................................................................21-10
Using Automatic IP Configuration .............................................................................21-11
Enabling Automatic IP Configuration ..................................................................21-11
Configuring UDP Port Relay ......................................................................................21-12
Enabling/Disabling UDP Port Relay ....................................................................21-13
Specifying a Forwarding VLAN ..........................................................................21-13
How the Relay Agent Processes DHCP Packets from the Client ........................21-14
Using DHCP Snooping ........................................................................................21-16
Quick Steps for Configuring DHCPv6 Relay .............................................................21-23
DHCPv6 Relay Overview ...........................................................................................21-23
DHCPv6 Relay Interface ......................................................................................21-23
DHCPv6 Relay Messages ....................................................................................21-24
DHCPv6 Relay Configuration Overview ....................................................................21-24
Enabling the DHCPv6 Relay Per-VRF ................................................................21-24
Configuring the DHCPv6 Relay Interface ...........................................................21-24