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Qtech QSW-8200-28T-AC — dHCP Relay Configuration Commands and Usage Guide [21/79]
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User Manual
Chapter 1. Commands for DHCP 21
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1.2.2 ip dhcp relay share-vlan <vlanid> sub-vlan <vlanlist>
This command is not supported by the switch.
1.2.3 ip forward-protocol udp bootps
Command: ip forward-protocol udp bootps
no ip forward-protocol udp bootps
Function: Sets DHCP relay to forward UPD broadcast packets on the port; the “no ip
forward-protocol udp bootps”command cancels the service.
Parameter: bootps forwarding UDP port as 67 DHCP broadcast packets.
Default: Not forward UPD broadcast packets by default.
Command mode: Global Mode
Usage Guide: The forwarding destination address is set in the “ip helper-address”
command and described later.
Example: Setting DHCP packets to be forwarded to 192.168.1.5.
Switch(config)#ip forward-protocol udp boots
Switch(config)#interface vlan 1
Switch(Config-if-Vlan1)#ip helper-address 192.168.1.5
1.2.4 ip helper-address
Command: ip helper-address <ip-address>
no ip helper-address <ip-address>
Function: Specifies the destination address for the DHCP relay to forward UDP packets.
The “no ip helper-address <ip-address>” command cancels the setting.
Default: None.
Command mode: Interface Configuration Mode
Usage Guide: The DHCP relay forwarding server address corresponds to the port
forwarding UDP, i.e. DHCP relay forwards corresponding UDP packets only to the
corresponding server instead of all UDP packets to all servers. When this command is
run after “ip forward-protocol udp <port>” command, the forwarding address
configured by this command receives the UDP packets from <port>. The combination of
“ip forward-protocol udp <port>” command and this command should be used for
configuration.
1.2.5 show ip forward-protocol
Command: show ip forward-protocol
Function: Show the configured port ID of the protocol which support the forwarding of
broadcast packets, it means the port ID for forwarding DHCP packets.
Command mode: Admin and configuration mode
Example:
Switch#show ip forward-protocol
Forward protocol(UDP port): 67(active)
Содержание
- Chapter 1 commands for dhcp 7 p.2
- Commands for dhcp server configuration 7 p.2
- Content p.2
- Chapter 1 commands for dhcp p.7
- Commands for dhcp server configuration p.7
- Commands for dhcp relay configuration p.20
- Clear ipv6 dhcp statistics p.23
- Clear ipv6 dhcp conflict p.23
- Clear ipv6 dhcp binding p.23
- Chapter 2 commands for dhcpv6 p.23
- Debug ipv6 dhcp relay packet p.24
- Debug ipv6 dhcp detail p.24
- Debug ipv6 dhcp client packet p.24
- Domain name p.25
- Dns server p.25
- Debug ipv6 dhcp server p.25
- Ipv6 address p.26
- Excluded address p.26
- Ipv6 dhcp client pd hint p.27
- Ipv6 dhcp client pd p.27
- Ipv6 dhcp relay destination p.28
- Ipv6 dhcp pool p.28
- Ipv6 general prefix p.29
- Ipv6 dhcp server p.29
- Lifetime p.30
- Ipv6 local pool p.30
- Network address p.31
- Prefix delegation pool p.32
- Prefix delegation p.32
- Show ipv6 dhcp p.33
- Service dhcpv6 p.33
- Show ipv6 dhcp interface p.34
- Show ipv6 dhcp conflict p.34
- Show ipv6 dhcp binding p.34
- Show ipv6 dhcp statistics p.35
- Show ipv6 dhcp pool p.35
- Show ipv6 local pool p.38
- Show ipv6 general prefix p.38
- Ip dhcp relay information option delimiter p.39
- Ip dhcp relay information option p.39
- Debug ip dhcp relay packet p.39
- Chapter 3 commands for dhcp option 82 p.39
- Ip dhcp relay information option remote id format p.40
- Ip dhcp relay information option remote id p.40
- Ip dhcp relay information option self defined remote id p.41
- Ip dhcp relay information option self defined subscriber id p.42
- Ip dhcp relay information option self defined remote id format p.42
- Ip dhcp relay information option subscriber id format p.43
- Ip dhcp relay information option subscriber id p.43
- Ip dhcp relay information option self defined subscriber id format p.43
- Ip dhcp relay information policy p.44
- Show ip dhcp relay information option p.45
- Ip dhcp server relay information enable p.45
- Commands for dhcpv6 option37 38 p.47
- Chapter 4 commands for dhcpv6 option37 38 p.47
- Commands for monitoring and debugging p.55
- Debug ip dhcp snooping packet interface p.59
- Debug ip dhcp snooping packet p.59
- Debug ip dhcp snooping event p.59
- Debug ip dhcp snooping binding p.59
- Chapter 5 commands for dhcp snooping p.59
- Ip dhcp snooping p.60
- Enable trustview key p.60
- Debug ip dhcp snooping update p.60
- Ip dhcp snooping action maxnum p.61
- Ip dhcp snooping action p.61
- Ip dhcp snooping binding arp p.62
- Ip dhcp snooping binding p.62
- Ip dhcp snooping binding user p.63
- Ip dhcp snooping binding dot1x p.63
- Ip dhcp snooping binding user control max user p.64
- Ip dhcp snooping binding user control p.64
- Ip dhcp snooping information option allow untrusted p.65
- Ip dhcp snooping information enable p.65
- Ip dhcp snooping information option remote id p.66
- Ip dhcp snooping information option delimiter p.66
- Ip dhcp snooping information option self defined subscriber id p.67
- Ip dhcp snooping information option self defined remote id format p.67
- Ip dhcp snooping information option self defined remote id p.67
- Ip dhcp snooping information option subscriber id p.68
- Ip dhcp snooping information option self defined subscriber id format p.68
- Ip dhcp snooping information option subscriber id format p.69
- Ip dhcp snooping trust p.70
- Ip dhcp snooping limit rate p.70
- Ip user private packet version two p.71
- Ip user helper address p.71
- Show ip dhcp snooping p.72
- Show trustview status p.76
- Show ip dhcp snooping binding all p.76
- Chapter 6 commands for dhcp option 60 and option p.77
- Option 43 ascii line p.77
- Option 60 ascii line p.78
- Option 43 ip a b c d p.78
- Option 43 hex word p.78
- Option 60 ip a b c d p.79
- Option 60 hex word p.79
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Explore essential commands for configuring DHCP relay, including forwarding UDP packets and setting helper addresses. Learn how to manage your network effectively.