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User Manual
Chapter 5. Commands for DHCP Snooping 71
www.qtech.ru
5.28 ip user helper-address
Command: ip user helper-address <svr_addr> [port <udp_port>] source <src_addr>
[secondary]
no ip user helper-address [secondary]
Function: Set the address and port of HELPER SERVER.
Parameters:
<svr_addr>: The IP address of HELPER SERVER IP in dotted-decimal notation.
o udp_port: The UDP port of HELPER SERVER, the range of which is1－65535, and
its default value is 9119.
o src_addr: The local management IP address of the switch, in dotted-decimal
notation.
o sencondary: Whether it is a secondary SERVER address.
Command Mode: Global mode
Default Settings: There is no HELPER SERVER address by default.
Usage Guide: DHCP SNOOPING will send the monitored binding information to HELPER
SERVER to save it. If the switch starts abnormally, it can recover the binding data from
HELPER SERVER. The HELPER SERVER function usually is integrated into DCBI packet.
The DHCP SNOOPING and HELPER SERVER use the UDP protocol to communicate, and
guarantee the arrival of retransmitted data. HELPER SERVER configuration can also be
used to sent DOT1X user data from the server, the detail of usage is described in the
chapter of dot1x configuration.
Two HELPER SERVER addresses are allowed, DHCP SNOOPING will try to connect to
PRIMARY SERVER in the first place. Only when the PRIMARY SERVER is unreachable, will
the switch c HELPER SERVER connects to SECONDARY SERVER.
Please pay attention: source address is the effective management IP address of the
switch, if the management IP address of the switch changes, this configuration should
be updated in time.
Example: Set the local management IP address as 100.1.1.1, primary HELPER SERVER
address as 100.1.1.100 and the port as default value.
switch(config)#interface vlan 1
switch(Config- If-Vlan1)#ip address 100.1.1.1 255.255.255.0
switch(Config-if-Vlan1)exit
switch(config)#ip user helper-address 100.1.1.100 source 100.1.1.1
5.29 ip user private packet version two
Command: ip user private packet version two
no ip user private packet version two
Function: The switch choose private packet version two to communicate with
trustview.
Parameter: None.
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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Узнайте, как настроить DHCP Snooping и HELPER SERVER для эффективного управления сетевыми устройствами. Подробное руководство по командам и параметрам.