Service Manual

IP Addresses............................................................................................................................ 526
Implementation Information......................................................................................... 526
Configuration Tasks for IP Addresses................................................................................ 526
Assigning IP Addresses to an Interface..............................................................................527
Configuring Static Routes.................................................................................................... 528
Configure Static Routes for the Management Interface............................................... 529
IPv4 Path MTU Discovery Overview...................................................................................529
Using the Configured Source IP Address in ICMP Messages....................................... 530
Configuring the ICMP Source Interface......................................................................530
Configuring the Duration to Establish a TCP Connection.............................................531
Enabling Directed Broadcast................................................................................................531
Resolution of Host Names................................................................................................... 532
Enabling Dynamic Resolution of Host Names.................................................................532
Specifying the Local System Domain and a List of Domains........................................533
Configuring DNS with Traceroute......................................................................................533
ARP............................................................................................................................................534
Configuration Tasks for ARP................................................................................................534
Configuring Static ARP Entries............................................................................................ 535
Enabling Proxy ARP................................................................................................................535
Clearing ARP Cache...............................................................................................................536
ARP Learning via Gratuitous ARP........................................................................................536
Enabling ARP Learning via Gratuitous ARP....................................................................... 537
ARP Learning via ARP Request.............................................................................................537
Configuring ARP Retries....................................................................................................... 538
ICMP..........................................................................................................................................539
Configuration Tasks for ICMP............................................................................................. 539
Enabling ICMP Unreachable Messages............................................................................. 539
UDP Helper............................................................................................................................. 540
Configure UDP Helper....................................................................................................540
Important Points to Remember....................................................................................540
Enabling UDP Helper............................................................................................................ 540
Configuring a Broadcast Address........................................................................................541
Configurations Using UDP Helper...................................................................................... 541
UDP Helper with Broadcast-All Addresses.......................................................................542
UDP Helper with Subnet Broadcast Addresses............................................................... 543
UDP Helper with Configured Broadcast Addresses....................................................... 543
UDP Helper with No Configured Broadcast Addresses.................................................544
Troubleshooting UDP Helper..............................................................................................544
28 IPv6 Routing....................................................................................................................... 546
Protocol Overview.................................................................................................................546
Extended Address Space................................................................................................ 546
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