3-3
If a client’s
requesting
message has…
Handling
strategy
Padding format
The DHCP relay agent will…
Drop
Random
Drop the message.
Keep Random Forward the message without changing
Option 82.
normal
Forward the message after replacing
the original Option 82 with the Option 82
padded in normal format.
verbose
Forward the message after replacing
the original Option 82 with the Option 82
padded in verbose format.
Option 82
Replace
user-defined
Forward the message after replacing
the original Option 82 with the
user-defined Option 82.
— normal Forward the message after adding the
Option 82 padded in normal format.
— verbose
Forward the message after adding the
Option 82 padded in verbose format.
no Option 82
— user-defined
Forward the message after adding the
user-defined Option 82.
DHCP Relay Agent Configuration Task List
Complete the following tasks to configure the DHCP relay agent:
Task
Remarks
Enabling DHCP
Required
Enabling the DHCP Relay Agent on an Interface
Required
Correlating a DHCP Server Group with a Relay Agent Interface
Required
Configuring the DHCP Relay Agent Security Functions
Optional
Configuring the DHCP Relay Agent to Send a DHCP-Release Request
Optional
Configuring the DHCP Relay Agent to Support Option 82
Optional
Configuring the DHCP Relay Agent
Enabling DHCP
Enable DHCP before performing other DHCP-related configurations.
Содержание 4500G PWR 24-Port
Страница 200: ...1 5 ProviderB GigabitEthernet1 0 2 undo stp enable ProviderB GigabitEthernet1 0 2 bpdu tunnel dot1q stp ...
Страница 252: ...1 7 Clearing ARP entries from the ARP table may cause communication failures ...
Страница 362: ...i Table of Contents 1 Dual Stack Configuration 1 1 Dual Stack Overview 1 1 Configuring Dual Stack 1 1 ...
Страница 407: ...1 8 1 1 ms 1 ms 1 ms 1 1 6 1 2 1 ms 1 ms 1 ms 1 1 4 1 3 1 ms 1 ms 1 ms 1 1 2 2 Trace complete ...
Страница 786: ...1 16 3 In the case of PIM SM use the display current configuration command to check the BSR and RP information ...
Страница 1387: ...1 23 ...
Страница 1443: ...i Table of Contents 1 URPF Configuration 1 1 URPF Overview 1 1 What is URPF 1 1 How URPF Works 1 1 Configuring URPF 1 2 ...
Страница 1720: ...ii Single Device Upgrade 3 4 IRF System Upgrade 3 5 ...