background image

Convention Description 

be entered 1 to n times. 

A line that starts with a pound (#) sign is comments. 

 

GUI conventions 

Convention Description 

Boldface

 

Window names, button names, field names, and menu items are in Boldface. For 
example, the 

New User

 window appears; click 

OK

Multi-level menus are separated by angle brackets. For example, 

File

 > 

Create

 > 

Folder

 

Symbols 

Convention Description 

 WARNING 

An alert that calls attention to important information that if not understood or followed can 
result in personal injury. 

 CAUTION 

An alert that calls attention to important information that if not understood or followed can 
result in data loss, data corruption, or damage to hardware or software.  

 

IMPORTANT 

An alert that calls attention to essential information. 

NOTE 

An alert that contains additional or supplementary information. 

 TIP 

An alert that provides helpful information. 

 

Network topology icons 

 

Represents a generic network device, such as a router, switch, or firewall. 

 

Represents a routing-capable device, such as a router or Layer 3 switch. 

 

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports 
Layer 2 forwarding and other Layer 2 features. 

 

Port numbering in examples 

The port numbers in this document are for illustration only and might be unavailable on your switch. 

About the H3C S12500 documentation set 

The H3C S12500 documentation set includes: 

Category Documents 

Purposes 

Product description and 
specifications 

Describe product specifications and benefits.  

Provide an in-depth description of software features 
and technologies.  

Describe card specifications, features, and 
standards. 

Summary of Contents for S12500 Series

Page 1: ...H3C S12500 Series Routing Switches Interface Configuration Guide Hangzhou H3C Technologies Co Ltd http www h3c com Software version S12500 CMW710 R7128 Document version 6W710 20121130...

Page 2: ...ware Secware Storware NQA VVG V2 G Vn G PSPT XGbus N Bus TiGem InnoVision and HUASAN are trademarks of Hangzhou H3C Technologies Co Ltd All other trademarks that may be mentioned in this manual are th...

Page 3: ...onventions This section describes the conventions used in this documentation set Command conventions Convention Description Boldface Bold text represents commands and keywords that you enter literally...

Page 4: ...formation NOTE An alert that contains additional or supplementary information TIP An alert that provides helpful information Network topology icons Represents a generic network device such as a router...

Page 5: ...software features and configuration procedures Command references Provide a quick reference to all available commands Operations and maintenance System log messages Explains the system log messages Tr...

Page 6: ...http www h3c com Documentation feedback You can e mail your comments about product documentation to info h3c com We appreciate your comments...

Page 7: ...et interface 6 Setting the statistics polling interval 6 Configuring a Layer 2 Ethernet interface 7 Configuring storm suppression 7 Forcibly bringing up a fiber GE or 10 GE port 8 Setting the MDIX mod...

Page 8: ...rnet subinterface By creating subinterfaces on a Layer 3 Ethernet interface you enable the interface to carry packets for multiple VLANs Configuring common Ethernet interface settings IMPORTANT By def...

Page 9: ...ccess point identifier The sending end keeps the connection with the receiving end by sending this byte repeatedly The Path Trace byte J1 a byte in the High Order Path Overhead usually serves as a hig...

Page 10: ...down Configuring an Ethernet subinterface Step Command Remarks 1 Enter system view system view N A 2 Create an Ethernet subinterface interface interface type interface number subnumber N A 3 Set the i...

Page 11: ...nterface type interface number N A 3 Configure jumbo frame support jumboframe enable value By default the device allows jumbo frames within 9216 bytes to pass through On LST1XP16LEB1 and LST1XP16LEC1...

Page 12: ...With this command configured when the interface comes down or goes up the link updown event is not reported to the CPU until the interface is still down or up when the suppression interval delay time...

Page 13: ...drops on a link you can enable generic flow control at both ends of the link When traffic congestion occurs at the receiving end the receiving end sends a flow control Pause frame to ask the sending...

Page 14: ...one of the kbps and pps keywords To switch between the kbps and pps keywords you must first restore the broadcast multicast or unknown unicast suppression threshold to the default On an interface only...

Page 15: ...able a fiber port to forward traffic over a single link you can use the port up mode command This command brings up a fiber port by force even when no fiber links or optical modules are present If one...

Page 16: ...s each of which plays a dedicated role For example pins 1 and 2 transmit signals and pins 3 and 6 receive signals You can use both crossover and straight through Ethernet cables to connect copper Ethe...

Page 17: ...efault setting is 1500 bytes Displaying and maintaining an Ethernet interface or subinterface Execute display commands in any view and reset commands in user view Task Command Display interface traffi...

Page 18: ...r subinterface statistics reset counters interface interface type interface number interface number subnumber Clear the statistics of dropped packets on the specified interfaces reset packet drop inte...

Page 19: ...evice does not forward these packets Using a loopback interface in dynamic routing protocols With no router ID configured for a dynamic routing protocol the system selects highest loopback interface I...

Page 20: ...rface 4 Restore the default settings for the null interface default N A Displaying and maintaining loopback and null interfaces Execute display commands in any view and reset commands in user view Tas...

Page 21: ...aggregate interface and its member interfaces can break up the aggregation No limit is set on the maximum number of interfaces in an interface range The more interfaces in an interface range the longe...

Page 22: ...15 Step Command Remarks 5 Optional Verify the configuration display this N A...

Page 23: ...Layer 3 Ethernet interface or subinterface 61H10 Configuring a loopback interface 62H12 Configuring a null interface 63H12 Configuring common Ethernet interface settings 64H1 D Displaying and maintai...

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