User manual

ManualsBrandsNortel Networks ManualsNetworkingNetwork Router 8000

100

Nortel Secure Router 8000 Series

Configuration -WAN Access

Issue 5.3 (

30 March 2009) Nortel Networks Inc. i

Contents

5 Logical interface configuration ...............................................................................................5-1

5.1 Introduction...................................................................................................................................................5-2

5.1.1 Sub-interface overview ........................................................................................................................5-2

5.1.2 Virtual template and virtual access interface........................................................................................5-3

5.1.3 Virtual ethernet interface......................................................................................................................5-3

5.1.4 Loopback interface...............................................................................................................................5-4

5.1.5 Null interface .......................................................................................................................................5-4

5.2 Creating sub-interfaces..................................................................................................................................5-4

5.2.1 Establishing the configuration task ......................................................................................................5-4

5.2.2 Creating FR sub-interfaces...................................................................................................................5-5

5.2.3 Creating X.25 sub-interfaces................................................................................................................5-6

5.2.4 Creating ATM sub-interfaces ...............................................................................................................5-7

5.2.5 Checking the configuration..................................................................................................................5-7

5.3 Configuring the virtual template ...................................................................................................................5-8

5.3.1 Establishing the configuration task ......................................................................................................5-8

5.3.2 Creating a VT.......................................................................................................................................5-9

5.3.3 Setting maximum number of links supported by a VT ........................................................................5-9

5.3.4 Checking the configuration................................................................................................................5-10

5.4 Configuring virtual ethernet interfaces........................................................................................................5-11

5.4.1 Establishing the configuration task ....................................................................................................5-11

5.4.2 Creating a VE interface......................................................................................................................5-12

5.4.3 Configuring a MAC address for a VE interface.................................................................................5-12

5.4.4 Checking the configuration................................................................................................................5-13

5.5 Configuring a loopback interface................................................................................................................5-13

5.5.1 Establishing the configuration task ....................................................................................................5-13

5.5.2 Creating a loopback interface and configuring its IP address ............................................................5-14

5.5.3 Checking the configuration................................................................................................................5-14

5.6 Configuring a null interface ........................................................................................................................5-15

5.6.1 Establishing the configuration task ....................................................................................................5-15

5.6.2 Entering the null interface view.........................................................................................................5-15

5.6.3 Checking the configuration................................................................................................................5-16

5.7 Configuration examples ..............................................................................................................................5-16