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Chapter 43
Differentiated Services ....................................................................................................................366
43.1 DiffServ Overview ....................................................................................................................... 366
43.1.1 What You Can Do ............................................................................................................. 366
43.1.2 What You Need to Know ................................................................................................. 366
43.2 Activating DiffServ ...................................................................................................................... 367
43.3 DSCP-to-IEEE 802.1p Priority Settings ......................................................................................... 368
43.3.1 Configuring DSCP Settings ............................................................................................... 368
DHCP .................................................................................................................................................370
44.1 DHCP Overview .......................................................................................................................... 370
44.1.1 What You Can Do ............................................................................................................. 370
44.1.2 What You Need to Know ................................................................................................. 370
44.2 DHCP Configuration ................................................................................................................... 371
44.3 DHCPv4 Status ............................................................................................................................ 371
44.4 DHCPv4 Relay ............................................................................................................................. 372
44.4.1 DHCPv4 Relay Agent Information ................................................................................... 372
44.4.2 DHCPv4 Option 82 Profile ................................................................................................. 373
44.4.3 Configuring DHCPv4 Global Relay ................................................................................. 374
44.4.4 Configure DHCPv4 Global Relay Port ............................................................................ 375
44.4.5 Global DHCP Relay Configuration Example .................................................................. 376
44.4.6 DHCPv4 VLAN Setting ....................................................................................................... 377
44.4.7 Configure DHCPv4 VLAN Port ......................................................................................... 378
44.4.8 Example: DHCP Relay for Two VLANs ............................................................................. 379
44.5 DHCPv6 Relay ............................................................................................................................. 380
44.6 DHCP Server Guard .................................................................................................................... 382
ARP Setup..........................................................................................................................................383
45.1 ARP Overview ............................................................................................................................. 383
45.1.1 What You Can Do ............................................................................................................. 383
45.1.2 What You Need to Know ................................................................................................. 383
45.2 ARP Setup .................................................................................................................................... 385
45.2.1 ARP Learning ..................................................................................................................... 385
Maintenance....................................................................................................................................387
46.1 Overview ..................................................................................................................................... 387
46.1.1 What You Can Do ............................................................................................................. 387
46.2 Maintenance Settings ................................................................................................................ 387
46.2.1 Erase Running-Configuration ........................................................................................... 389
46.2.2 Save Configuration ........................................................................................................... 389
Table of Contents
GS2220 Series User's Guide
17
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Table of Contents
Troubleshooting
