Static route ···························································································································································278 Default route·························································································································································279 Displaying the IPv4 active route table ·······················································································································279 Creating an IPv4 static route·······································································································································280 Displaying the IPv6 active route table ·······················································································································281 Creating an IPv6 static route·······································································································································281 IPv4 static route configuration example·····················································································································283 Network requirements·········································································································································283 Configuration considerations ·····························································································································283 Configuration procedure ····································································································································283 Verifying the configuration·································································································································286 IPv6 static route configuration example·····················································································································287 Network requirements·········································································································································287 Configuration considerations ·····························································································································287 Configuration procedure ····································································································································287 Verifying the configuration·································································································································290 Configuration guidelines ·············································································································································291
DHCP overview ······················································································································································· 292
DHCP address allocation ············································································································································292 Allocation mechanisms ·······································································································································292 IP address allocation process·····························································································································293 IP address lease extension··································································································································293
DHCP message format·················································································································································294 DHCP options ·······························································································································································295 Common DHCP options······································································································································295 Option 82 ····························································································································································295 Protocols and standards ··············································································································································296
Configuring DHCP relay agent ······························································································································ 297
Overview·······································································································································································297 Recommended configuration procedure····················································································································298 Enabling DHCP and configuring advanced parameters for the DHCP relay agent ·············································299 Creating a DHCP server group ··································································································································300 Enabling the DHCP relay agent on an interface ······································································································301 Configuring and displaying clients'
Configuring DHCP snooping·································································································································· 306
Overview·······································································································································································306 Application of trusted ports ································································································································306 DHCP snooping support for Option 82············································································································308 Recommended configuration procedure····················································································································308 Enabling DHCP snooping ···········································································································································309 Configuring DHCP snooping functions on an interface···························································································309 Displaying clients'
Managing services·················································································································································· 314
Overview·······································································································································································314 Managing services·······················································································································································315
Using diagnostic tools············································································································································· 317
Ping················································································································································································317 Traceroute ·····································································································································································317 Ping operation ······························································································································································318 Traceroute operation···········································································································································319
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