1.1 Introduction to Ethernet Interfaces.....................................................................................................................2

1.2 Ethernet Interface Features Supported by the S7700.........................................................................................2

1.3 Configuring Basic Attributes of the Ethernet Interface......................................................................................3

1.3.1 Establishing the Configuration Task.........................................................................................................3

1.3.2 (Optional) Configuring a Description for an Interface..............................................................................3

1.3.3 (Optional) Configuring the Cable Type on an Interface............................................................................4

1.3.4 (Optional) Setting the Duplex Mode.........................................................................................................5

1.3.5 (Optional) Setting the Rate of an Interface................................................................................................5

1.3.6 (Optional) Enabling Auto-Negotiation......................................................................................................6

1.3.7 (Optional) Switching Between Optical and Electrical Interfaces..............................................................6

1.3.8 (Optional) Configuring an Interface to Work at Layer 2 or Layer 3.........................................................7

1.3.9 Checking the Configuration.......................................................................................................................7

1.4 Configuring Advanced Attributes of an Ethernet Interface................................................................................8

1.4.1 Establishing the Configuration Task.........................................................................................................8

1.4.2 (Optional) Configuring Loopback on the Ethernet Interface....................................................................9

1.4.3 (Optional) Setting the Minimum Interval for Re-enabling an Interface....................................................9

1.4.4 (Optional) Configuring the Interface Group..............................................................................................9

1.4.5 (Optional) Setting the Maximum Frame Length on the Ethernet Interface.............................................10

1.4.6 (Optional) Enabling Flow Control...........................................................................................................10

1.4.7 (Optional) Enabling Auto-Negotiation of Flow Control.........................................................................11

1.4.8 (Optional) Enabling Port Isolation..........................................................................................................11

1.4.9 (Optional) Performing a Cable Test on an Interface...............................................................................12

1.4.10 (Optional) Assigning an IP Address to an Ethernet Sub-interface........................................................13

1.4.11 Checking the Configuration...................................................................................................................13

1.5 Maintaining Ethernet Interfaces.......................................................................................................................14

1.5.1 Debugging Ethernet Interfaces................................................................................................................14

1.6 Configuration Examples...................................................................................................................................14

1.6.1 Example for Configuring Port Isolation..................................................................................................14

2 Link Aggregation Configuration..............................................................................................17

2.1 Introduction to Link Aggregation.....................................................................................................................18

Issue 01 (2011-07-15)

Huawei Proprietary and Confidential

Contents