API Guide

Table Of Contents
Configuring the Server for Automatic Address Allocation......................................................................................314
Specifying a Default Gateway.................................................................................................................................... 315
Configure a Method of Hostname Resolution..........................................................................................................315
Using DNS for Address Resolution............................................................................................................................ 315
Using NetBIOS WINS for Address Resolution..........................................................................................................316
Creating Manual Binding Entries................................................................................................................................316
Debugging the DHCP Server......................................................................................................................................316
Using DHCP Clear Commands................................................................................................................................... 316
Configure the System to be a Relay Agent.................................................................................................................... 317
Configure the System to be a DHCP Client................................................................................................................... 318
DHCP Client on a Management Interface................................................................................................................ 318
DHCP Client Operation with Other Features...........................................................................................................319
DHCP Relay When DHCP Server and Client are in Different VRFs............................................................................319
Configuring Route Leaking between VRFs on DHCP Relay Agent...................................................................... 320
Non-default VRF configuration for DHCPv6 helper address.......................................................................................321
Configuring DHCP relay source interface.......................................................................................................................321
Global DHCP relay source IPv4 or IPv6 configuration ........................................................................................... 321
Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................322
Configure Secure DHCP.................................................................................................................................................. 323
Option 82......................................................................................................................................................................323
DHCPv6 relay agent options......................................................................................................................................323
DHCP Snooping...........................................................................................................................................................324
Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 326
Dynamic ARP Inspection............................................................................................................................................ 326
Configuring Dynamic ARP Inspection....................................................................................................................... 327
Source Address Validation............................................................................................................................................... 328
Enabling IP Source Address Validation..................................................................................................................... 328
DHCP MAC Source Address Validation....................................................................................................................328
Enabling IP+MAC Source Address Validation..........................................................................................................329
Viewing the Number of SAV Dropped Packets.......................................................................................................329
Clearing the Number of SAV Dropped Packets...................................................................................................... 329
14 Equal Cost Multi-Path (ECMP)................................................................................................. 331
ECMP for Flow-Based Affinity.........................................................................................................................................331
Enabling Deterministic ECMP Next Hop...................................................................................................................331
Configuring the Hash Algorithm Seed.......................................................................................................................331
Link Bundle Monitoring............................................................................................................................................... 332
Managing ECMP Group Paths........................................................................................................................................ 332
Creating an ECMP Group Bundle................................................................................................................................... 332
Modifying the ECMP Group Threshold.......................................................................................................................... 333
BGP Multipath Operation with Link Bankwidth............................................................................................................ 333
Dynamic Re-calculation of Link Bankwidth....................................................................................................................335
Weighted ECMP for Static Routes.................................................................................................................................335
ECMP Support in L3 Host and LPM Tables.................................................................................................................. 335
15 FCoE Transit...........................................................................................................................337
Fibre Channel over Ethernet............................................................................................................................................337
Ensure Robustness in a Converged Ethernet Network............................................................................................... 337
FIP Snooping on Ethernet Bridges..................................................................................................................................338
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