Service Manual

Table Of Contents
Configure the MTU Size on an Interface...................................................................................................................401
Port-Pipes.........................................................................................................................................................................402
CR4 Auto-Negotiation................................................................................................................................................... 402
FEC Configuration.......................................................................................................................................................... 403
Setting the Speed of Ethernet Interfaces................................................................................................................ 404
Syslog Warning Upon Connecting SFP28 Optics with QSA................................................................................ 405
Adjusting the Keepalive Timer..................................................................................................................................... 405
View Advanced Interface Information....................................................................................................................... 406
Configuring the Interface Sampling Size.............................................................................................................406
Configuring the Traffic Sampling Size Globally....................................................................................................... 407
Dynamic Counters.......................................................................................................................................................... 409
Clearing Interface Counters................................................................................................................................... 409
Enhanced Validation of Interface Ranges..................................................................................................................410
Compressing Configuration Files................................................................................................................................. 410
Chapter 21: IPv4 Routing........................................................................................................... 413
IP Addresses..................................................................................................................................................................... 414
Configuration Tasks for IP Addresses........................................................................................................................ 414
Assigning IP Addresses to an Interface......................................................................................................................414
Configuring Static Routes............................................................................................................................................. 415
Adding description for IPv4 and IPv6 static routes...........................................................................................416
Configure Static Routes for the Management Interface....................................................................................... 417
IPv4 Path MTU Discovery Overview...........................................................................................................................417
Using the Configured Source IP Address in ICMP Messages...............................................................................418
Configuring the Duration to Establish a TCP Connection..................................................................................... 418
Enabling Directed Broadcast.........................................................................................................................................418
Resolution of Host Names.............................................................................................................................................419
Enabling Dynamic Resolution of Host Names...........................................................................................................419
Specifying the Local System Domain and a List of Domains................................................................................ 419
Configuring DNS with Traceroute.............................................................................................................................. 420
ARP.................................................................................................................................................................................... 420
Configuration Tasks for ARP........................................................................................................................................ 421
Configuring Static ARP Entries.................................................................................................................................... 421
Enabling Proxy ARP.........................................................................................................................................................421
Clearing ARP Cache....................................................................................................................................................... 422
ARP Learning via Gratuitous ARP...............................................................................................................................422
Enabling ARP Learning via Gratuitous ARP..............................................................................................................422
ARP Learning via ARP Request................................................................................................................................... 422
Configuring ARP Retries............................................................................................................................................... 423
ICMP.................................................................................................................................................................................. 424
Configuration Tasks for ICMP..................................................................................................................................... 424
Enabling ICMP Unreachable Messages..................................................................................................................... 424
ICMP Redirects............................................................................................................................................................... 424
UDP Helper.......................................................................................................................................................................425
Enabling UDP Helper......................................................................................................................................................426
Configurations Using UDP Helper...............................................................................................................................426
UDP Helper with Broadcast-All Addresses...............................................................................................................426
UDP Helper with Subnet Broadcast Addresses.......................................................................................................427
UDP Helper with Configured Broadcast Addresses............................................................................................... 427
UDP Helper with No Configured Broadcast Addresses.........................................................................................428
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