Developers Guide

Table Of Contents
Setting the Speed of Ethernet Interfaces................................................................................................................ 394
Syslog Warning Upon Connecting SFP28 Optics with QSA................................................................................ 395
FEC Configuration.......................................................................................................................................................... 396
View interface information with FEC type................................................................................................................397
View Advanced Interface Information....................................................................................................................... 399
Configuring the Interface Sampling Size.............................................................................................................399
Configuring the Traffic Sampling Size Globally....................................................................................................... 400
Dynamic Counters...........................................................................................................................................................402
Clearing Interface Counters................................................................................................................................... 402
Enhanced Validation of Interface Ranges.................................................................................................................403
Compressing Configuration Files................................................................................................................................ 403
OUI on 25G and 50G Interfaces................................................................................................................................. 405
Configuring OUI on 25G and 50G Interfaces.....................................................................................................405
Chapter 21: IPv4 Routing...........................................................................................................406
IP Addresses.....................................................................................................................................................................407
Configuration Tasks for IP Addresses........................................................................................................................407
Assigning IP Addresses to an Interface..................................................................................................................... 407
Configuring Static Routes............................................................................................................................................ 408
Adding description for IPv4 and IPv6 static routes..........................................................................................409
Configure Static Routes for the Management Interface....................................................................................... 410
IPv4 Path MTU Discovery Overview.......................................................................................................................... 410
Using the Configured Source IP Address in ICMP Messages............................................................................... 411
Configuring the Duration to Establish a TCP Connection...................................................................................... 411
Enabling Directed Broadcast......................................................................................................................................... 411
Resolution of Host Names.............................................................................................................................................412
Enabling Dynamic Resolution of Host Names........................................................................................................... 412
Specifying the Local System Domain and a List of Domains................................................................................ 413
Configuring DNS with Traceroute............................................................................................................................... 413
ARP..................................................................................................................................................................................... 414
Configuration Tasks for ARP........................................................................................................................................ 414
Configuring Static ARP Entries.................................................................................................................................... 414
Enabling Proxy ARP........................................................................................................................................................ 415
Clearing ARP Cache........................................................................................................................................................415
ARP Learning via Gratuitous ARP............................................................................................................................... 415
Enabling ARP Learning via Gratuitous ARP...............................................................................................................415
ARP Learning via ARP Request....................................................................................................................................416
Configuring ARP Retries................................................................................................................................................ 416
ICMP................................................................................................................................................................................... 417
Configuration Tasks for ICMP...................................................................................................................................... 417
Enabling ICMP Unreachable Messages...................................................................................................................... 417
ICMP Redirects................................................................................................................................................................ 417
UDP Helper........................................................................................................................................................................418
Enabling UDP Helper.......................................................................................................................................................419
Configuring a Broadcast Address................................................................................................................................ 419
Configurations Using UDP Helper............................................................................................................................... 419
UDP Helper with Broadcast-All Addresses...............................................................................................................420
UDP Helper with Subnet Broadcast Addresses...................................................................................................... 420
UDP Helper with Configured Broadcast Addresses................................................................................................421
UDP Helper with No Configured Broadcast Addresses......................................................................................... 421
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