Concept Guide

Non Dell-Qualied Transceivers................................................................................................................................... 470
Splitting QSFP Ports to SFP+ Ports............................................................................................................................ 471
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................471
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................473
Link Dampening..............................................................................................................................................................473
Important Points to Remember..............................................................................................................................473
Enabling Link Dampening........................................................................................................................................ 473
Using Ethernet Pause Frames for Flow Control........................................................................................................ 475
Threshold Settings...................................................................................................................................................476
Enabling Pause Frames........................................................................................................................................... 476
Congure the MTU Size on an Interface.................................................................................................................... 477
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 477
Set Auto-Negotiation Options................................................................................................................................478
Provisioning Combo Ports............................................................................................................................................ 478
View Advanced Interface Information.........................................................................................................................479
Conguring the Interface Sampling Size.............................................................................................................. 480
Conguring the Trac Sampling Size Globally........................................................................................................... 481
Dynamic Counters......................................................................................................................................................... 482
Clearing Interface Counters....................................................................................................................................483
23 Internet Protocol Security (IPSec)...........................................................................................................484
Conguring IPSec .........................................................................................................................................................484
24 IPv4 Routing............................................................................................................................................ 486
IP Addresses...................................................................................................................................................................486
Implementation Information....................................................................................................................................486
Conguration Tasks for IP Addresses..........................................................................................................................487
Assigning IP Addresses to an Interface....................................................................................................................... 487
Conguring Static Routes.............................................................................................................................................488
Congure Static Routes for the Management Interface..........................................................................................489
Enabling Directed Broadcast........................................................................................................................................ 489
Resolution of Host Names............................................................................................................................................489
Enabling Dynamic Resolution of Host Names............................................................................................................490
Specifying the Local System Domain and a List of Domains................................................................................... 490
Conguring DNS with Traceroute................................................................................................................................ 491
ARP.................................................................................................................................................................................. 491
Conguration Tasks for ARP.................................................................................................................................. 492
Conguring Static ARP Entries..............................................................................................................................492
Conguring ARP Inspection Trust......................................................................................................................... 493
Conguring ARP Timeout.......................................................................................................................................493
Enabling Proxy ARP.................................................................................................................................................493
Clearing ARP Cache................................................................................................................................................493
ARP Learning via Gratuitous ARP..........................................................................................................................494
Enabling ARP Learning via Gratuitous ARP..........................................................................................................494
ARP Learning via ARP Request............................................................................................................................. 494
Conguring ARP Retries.........................................................................................................................................495
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