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Auto-Negotiation on Ethernet Interfaces................................................................................................................... 470
Set Auto-Negotiation Options................................................................................................................................ 471
Provisioning Combo Ports.............................................................................................................................................471
View Advanced Interface Information.........................................................................................................................472
Conguring the Interface Sampling Size...............................................................................................................473
Conguring the Trac Sampling Size Globally...........................................................................................................474
Dynamic Counters......................................................................................................................................................... 475
Clearing Interface Counters....................................................................................................................................475
23 Internet Protocol Security (IPSec)...........................................................................................................477
Conguring IPSec ......................................................................................................................................................... 477
24 IPv4 Routing............................................................................................................................................ 479
IP Addresses...................................................................................................................................................................479
Implementation Information....................................................................................................................................479
Conguration Tasks for IP Addresses......................................................................................................................... 480
Assigning IP Addresses to an Interface.......................................................................................................................480
Conguring Static Routes............................................................................................................................................. 481
Congure Static Routes for the Management Interface.......................................................................................... 482
Enabling Directed Broadcast........................................................................................................................................ 482
Resolution of Host Names............................................................................................................................................483
Enabling Dynamic Resolution of Host Names............................................................................................................483
Specifying the Local System Domain and a List of Domains................................................................................... 483
Conguring DNS with Traceroute................................................................................................................................484
ARP................................................................................................................................................................................. 485
Conguration Tasks for ARP.................................................................................................................................. 485
Conguring Static ARP Entries..............................................................................................................................485
Conguring ARP Inspection Trust......................................................................................................................... 486
Conguring ARP Timeout.......................................................................................................................................486
Enabling Proxy ARP................................................................................................................................................. 487
Clearing ARP Cache................................................................................................................................................ 487
ARP Learning via Gratuitous ARP..........................................................................................................................487
Enabling ARP Learning via Gratuitous ARP..........................................................................................................488
ARP Learning via ARP Request............................................................................................................................. 488
Conguring ARP Retries.........................................................................................................................................489
ICMP............................................................................................................................................................................... 489
Conguration Tasks for ICMP................................................................................................................................489
Enabling ICMP Unreachable Messages................................................................................................................ 489
25 IPv6 Routing............................................................................................................................................ 491
Protocol Overview..........................................................................................................................................................491
Extended Address Space........................................................................................................................................492
Stateless Autoconguration................................................................................................................................... 492
IPv6 Headers............................................................................................................................................................492
IPv6 Header Fields...................................................................................................................................................493
Extension Header Fields......................................................................................................................................... 495
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