Concept Guide

Monitoring and Maintaining Interfaces....................................................................................................................... 450
Maintenance Using TDR..........................................................................................................................................451
Non Dell-Qualied Transceivers................................................................................................................................... 452
Splitting 40G Ports without Reload.............................................................................................................................452
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 454
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................454
Important Points to Remember............................................................................................................................. 455
Example Scenarios.................................................................................................................................................. 455
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................456
Link Dampening..............................................................................................................................................................457
Important Points to Remember..............................................................................................................................457
Conguration Example of Link Dampening.......................................................................................................... 458
Enabling Link Dampening........................................................................................................................................460
Link Bundle Monitoring.................................................................................................................................................. 461
Using Ethernet Pause Frames for Flow Control........................................................................................................ 462
Enabling Pause Frames........................................................................................................................................... 462
Congure the MTU Size on an Interface....................................................................................................................463
Port-Pipes.......................................................................................................................................................................464
Auto-Negotiation on Ethernet Interfaces...................................................................................................................464
Setting the speed to 10/100/1000 Mbps on SFP-1G-T transceiver..................................................................464
Setting the Speed of Ethernet Interfaces............................................................................................................ 464
Set Auto-Negotiation Options............................................................................................................................... 466
View Advanced Interface Information.........................................................................................................................466
Conguring the Interface Sampling Size...............................................................................................................467
Conguring the Trac Sampling Size Globally...........................................................................................................468
Dynamic Counters......................................................................................................................................................... 470
Clearing Interface Counters....................................................................................................................................470
Discard Counters............................................................................................................................................................ 471
Display discard counters.......................................................................................................................................... 471
23 Internet Protocol Security (IPSec)...........................................................................................................473
Conguring IPSec .........................................................................................................................................................473
24 IPv4 Routing............................................................................................................................................ 475
IP Addresses...................................................................................................................................................................476
Implementation Information....................................................................................................................................476
Conguration Tasks for IP Addresses..........................................................................................................................476
Assigning IP Addresses to an Interface.......................................................................................................................476
Conguring Static Routes.............................................................................................................................................477
Adding description for IPv4 and IPv6 static routes............................................................................................. 478
Congure Static Routes for the Management Interface.......................................................................................... 479
IPv4 Path MTU Discovery Overview...........................................................................................................................479
Packet handling during MTU mismatch................................................................................................................480
Using the Congured Source IP Address in ICMP Messages..................................................................................480
Conguring the ICMP Source Interface............................................................................................................... 480
Conguring the Duration to Establish a TCP Connection......................................................................................... 481
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