Administrator Guide

Configure the MTU Size on an Interface.......................................................................................................................386
Port-Pipes.......................................................................................................................................................................... 387
CR4 Auto-Negotiation...................................................................................................................................................... 387
FEC Configuration.............................................................................................................................................................388
Setting the Speed of Ethernet Interfaces..................................................................................................................... 389
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................... 390
Adjusting the Keepalive Timer......................................................................................................................................... 390
View Advanced Interface Information............................................................................................................................390
Configuring the Interface Sampling Size...................................................................................................................391
Configuring the Traffic Sampling Size Globally............................................................................................................. 392
Dynamic Counters.............................................................................................................................................................393
Clearing Interface Counters.......................................................................................................................................394
Enhanced Validation of Interface Ranges...................................................................................................................... 394
Compressing Configuration Files.....................................................................................................................................395
21 IPv4 Routing........................................................................................................................... 397
IP Addresses...................................................................................................................................................................... 398
Configuration Tasks for IP Addresses............................................................................................................................ 398
Assigning IP Addresses to an Interface..........................................................................................................................398
Configuring Static Routes................................................................................................................................................399
Adding description for IPv4 and IPv6 static routes................................................................................................ 400
Configure Static Routes for the Management Interface.............................................................................................400
IPv4 Path MTU Discovery Overview.............................................................................................................................. 401
Using the Configured Source IP Address in ICMP Messages......................................................................................401
Configuring the Duration to Establish a TCP Connection........................................................................................... 402
Enabling Directed Broadcast........................................................................................................................................... 402
Resolution of Host Names............................................................................................................................................... 402
Enabling Dynamic Resolution of Host Names............................................................................................................... 403
Specifying the Local System Domain and a List of Domains.......................................................................................403
Configuring DNS with Traceroute.................................................................................................................................. 403
ARP..................................................................................................................................................................................... 404
Configuration Tasks for ARP........................................................................................................................................... 404
Configuring Static ARP Entries....................................................................................................................................... 404
Enabling Proxy ARP.......................................................................................................................................................... 405
Clearing ARP Cache......................................................................................................................................................... 405
ARP Learning via Gratuitous ARP...................................................................................................................................405
Enabling ARP Learning via Gratuitous ARP...................................................................................................................406
ARP Learning via ARP Request.......................................................................................................................................406
Configuring ARP Retries...................................................................................................................................................407
ICMP................................................................................................................................................................................... 407
Configuration Tasks for ICMP......................................................................................................................................... 407
Enabling ICMP Unreachable Messages..........................................................................................................................407
ICMP Redirects................................................................................................................................................................. 407
UDP Helper........................................................................................................................................................................ 408
Enabling UDP Helper........................................................................................................................................................ 409
Configurations Using UDP Helper...................................................................................................................................409
UDP Helper with Broadcast-All Addresses....................................................................................................................409
UDP Helper with Subnet Broadcast Addresses.............................................................................................................410
UDP Helper with Configured Broadcast Addresses......................................................................................................410
UDP Helper with No Configured Broadcast Addresses.................................................................................................411
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