Deployment Guide

Dening Interface Range Macros................................................................................................................................. 371
Dene the Interface Range..................................................................................................................................... 371
Choosing an Interface-Range Macro..................................................................................................................... 371
Monitoring and Maintaining Interfaces........................................................................................................................372
Maintenance Using TDR......................................................................................................................................... 373
Splitting QSFP Ports to SFP+ Ports............................................................................................................................373
Merging SFP+ Ports to QSFP 40G Ports............................................................................................................. 374
Congure the MTU Size on an Interface.............................................................................................................. 374
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................375
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................375
Important Points to Remember..............................................................................................................................376
Example Scenarios...................................................................................................................................................376
Layer 2 Flow Control Using Ethernet Pause Frames.................................................................................................376
Enabling Pause Frames............................................................................................................................................377
Congure MTU Size on an Interface........................................................................................................................... 377
Port-Pipes....................................................................................................................................................................... 378
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 378
Setting the Speed and Duplex Mode of Ethernet Interfaces.............................................................................378
View Advanced Interface Information.........................................................................................................................380
Conguring the Interface Sampling Size............................................................................................................... 381
Conguring the Trac Sampling Size Globally.....................................................................................................382
Dynamic Counters................................................................................................................................................... 383
Enhanced Control of Remote Fault Indication Processing....................................................................................... 384
25 Internet Protocol Security (IPSec).......................................................................................................... 386
Conguring IPSec .........................................................................................................................................................386
26 IPv4 Routing............................................................................................................................................388
IP Addresses...................................................................................................................................................................388
Implementation Information....................................................................................................................................389
Conguration Tasks for IP Addresses....................................................................................................................389
IPv4 Path MTU Discovery Overview........................................................................................................................... 391
Using the Congured Source IP Address in ICMP Messages..................................................................................392
Conguring the ICMP Source Interface............................................................................................................... 392
Conguring the Duration to Establish a TCP Connection........................................................................................ 392
Enabling Directed Broadcast........................................................................................................................................ 393
Resolution of Host Names............................................................................................................................................393
Enabling Dynamic Resolution of Host Names......................................................................................................393
Specifying the Local System Domain and a List of Domains............................................................................. 394
Conguring DNS with Traceroute..........................................................................................................................394
ARP................................................................................................................................................................................. 395
Conguration Tasks for ARP..................................................................................................................................395
ARP Learning via Gratuitous ARP................................................................................................................................397
ARP Learning via ARP Request................................................................................................................................... 397
Conguring ARP Retries...............................................................................................................................................398
ICMP............................................................................................................................................................................... 399
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