7705 SAR OS Router Configuration Guide 3
Table of Contents
Preface................................................................................................................................................... 13
About This Guide................................................................................................................................................13
Audience .......................................................................................................................................................13
List of Technical Publications ........................................................................................................................14
Technical Support .........................................................................................................................................15
Getting Started...................................................................................................................................... 17
In This Chapter ...................................................................................................................................................17
Alcatel-Lucent 7705 SAR Router Configuration Process ...................................................................................17
IP Router Configuration ...................................................................................................................... 19
In This Chapter ...................................................................................................................................................19
Configuring IP Router Parameters .....................................................................................................................20
Interfaces.......................................................................................................................................................20
Network Interface .....................................................................................................................................21
System Interface ......................................................................................................................................25
IP Addresses .................................................................................................................................................26
Internet Protocol Versions .............................................................................................................................27
IPv6 Address Format ...............................................................................................................................28
IPv6 Headers ...........................................................................................................................................29
Neighbor Discovery ..................................................................................................................................30
Router ID .......................................................................................................................................................31
Autonomous Systems ...................................................................................................................................32
DHCP ............................................................................................................................................................32
DHCP Relay and DHCPv6 Relay.............................................................................................................33
Local DHCP Server ..................................................................................................................................34
ICMP and ICMPv6.........................................................................................................................................36
Static Routes, Dynamic Routes, and ECMP .................................................................................................38
IGP-LDP and Static Route-LDP Synchronization..........................................................................................40
Bidirectional Forwarding Detection (BFD) .....................................................................................................41
NAT ...............................................................................................................................................................41
Session Creation......................................................................................................................................42
NAT Zones ...............................................................................................................................................43
NAT Security Profile .................................................................................................................................47
NAT Policies.............................................................................................................................................49
Dynamic Source NAT ..............................................................................................................................50
Local Traffic and NAT .............................................................................................................................51
Port Forwarding (Static Destination NAT) ................................................................................................51
Session Resource Alarms........................................................................................................................52
NAT Support for Fragmented Packets .....................................................................................................53
Router Configuration Process Overview ............................................................................................................55
Configuration Notes............................................................................................................................................56
Reference Sources........................................................................................................................................56
Configuring an IP Router with CLI ......................................................................................................................57
Router Configuration Overview ..........................................................................................................................58
System Interface ...........................................................................................................................................58