Alcatel-Lucent OmniSwitch 6850-48 - Page 23

Contents
OmniSwitch AOS Release 6 Network Configuration Guide September 2009 xxiii
BFD Session Establishment .................................................................................30-11
Demultiplexing ..............................................................................................30-12
BFD Timer Negotiation .................................................................................30-12
Configuring BFD ........................................................................................................30-13
Configuring BFD Session Parameters ..................................................................30-13
Configuring a BFD Interface .........................................................................30-14
Configuring the BFD Transmit Time interval ...............................................30-14
Configuring the BFD Receive Time Interval ................................................30-14
Configuring the BFD Operating Mode ..........................................................30-15
Configuring the BFD Echo interval ..............................................................30-15
Configuring the BFD Layer 2 Hold-Timer ...................................................30-16
Configuring the BFD Multiplier ....................................................................30-16
Enabling or Disabling BFD Status ................................................................30-16
Configuring BFD Support for Layer 3 Protocols .................................................30-18
Configuring BFD Support for OSPF .............................................................30-18
Configuring BFD Support for BGP ...............................................................30-21
Configuring BFD Support for VRRP Tracking .............................................30-22
Configuring BFD Support for Static Routes .................................................30-24
BFD Application Example ..........................................................................................30-25
Example Network Overview ................................................................................30-25
Step 1: Prepare the Routers ...........................................................................30-25
Step 2: Enable OSPF .....................................................................................30-27
Step 3: Create the OSPF Area .......................................................................30-27
Step 4: Configure OSPF Interfaces ...............................................................30-27
Step 5: Configure BFD Interfaces .................................................................30-28
Step 6: Configure Global BFD Parameters ...................................................30-29
Step 7: Enable and Register BFD with OSPF ...............................................30-29
Step 8: Examine the Network ........................................................................30-29
Verifying the BFD Configuration ...............................................................................30-31
Chapter 31 Configuring DHCP Relay .........................................................................................31-1
In This Chapter ..............................................................................................................31-1
DHCP Relay Specifications ..........................................................................................31-2
DHCP Relay Defaults ...................................................................................................31-3
Quick Steps for Setting Up DHCP Relay .....................................................................31-4
DHCP Relay Overview .................................................................................................31-5
DHCP .....................................................................................................................31-6
DHCP and the OmniSwitch ...................................................................................31-6
DHCP Relay and Authentication ...........................................................................31-6
External DHCP Relay Application ........................................................................31-7
Internal DHCP Relay .............................................................................................31-8
DHCP Relay Implementation .......................................................................................31-9
Global DHCP .........................................................................................................31-9
Setting the IP Address .....................................................................................31-9
Per-VLAN DHCP ..................................................................................................31-9
Identifying the VLAN .....................................................................................31-9