8
Default
No source interface is specified for DNS packets. The device uses the primary IP address of the
output interface of the matching route as the source IP address for a DNS request.
Views
System view
Predefined user roles
network-admin
Parameters
interface-type
interface-number
: Specifies an interface by its type and number.
vpn-instance vpn-instance-name
: Specifies an MPLS L3VPN instance by its name, a
case-sensitive string of 1 to 31 characters. To specify a source interface for the public network, do
not use this option.
Usage guidelines
This configuration applies to both IPv4 and IPv6.
In IPv4 DNS, the device uses the primary IPv4 address of the specified source interface as the
source IP address of a DNS query. In IPv6 DNS, the device selects an IPv6 address of the specified
source interface as the source IP address of a DNS query. The method of selecting the IPv6 address
is defined in RFC 3484.
The system allows only one source interface for the public network or each VPN instance. If you
execute this command multiple times, the most recent configuration takes effect. You can specify
source interfaces for both public network and VPN instances.
This command takes effect whether the source interface belongs to the VPN instance or not. As a
best practice, specify an interface that belongs to the VPN instance as the source interface.
Examples
# Specify VLAN-interface 2 as the source interface for DNS packets on the public network.
<Sysname> system-view
[Sysname] dns source-interface vlan-interface 2
dns spoofing
Use
dns spoofing
to enable DNS spoofing and specify the IPv4 address for spoofing DNS
requests.
Use
undo dns spoofing
to disable DNS spoofing.
Syntax
dns
spoofing
ip-address
[
vpn-instance
vpn-instance-name
]
undo
dns
spoofing
ip-address
[
vpn-instance
vpn-instance-name
]
Default
DNS spoofing is disabled.
Views
System view
Predefined user roles
network-admin
Summary of Contents for SOHO IE4300
Page 285: ...i Contents Tcl commands 1 cli 1 tclquit 1 tclsh 2...
Page 288: ...i Contents Python commands 1 exit 1 python 1 python filename 2...
Page 291: ...i Contents Automatic configuration commands 1 autodeploy udisk enable 1...
Page 323: ...25 Sysname Ten GigabitEthernet1 0 51 undo shutdown Related commands irf port...
Page 465: ...ii stp vlan enable 55 vlan mapping modulo 55...
Page 602: ...12 Related commands display mvrp statistics...
Page 609: ...i Contents VLAN mapping commands 1 display vlan mapping 1 vlan mapping 2...
Page 678: ...9 Related commands reset pppoe relay statistics...
Page 846: ...i Contents Basic IP forwarding commands 1 display fib 1 ip forwarding table save 2...
Page 1770: ...i Contents Time range commands 1 display time range 1 time range 1...
Page 2026: ...34 Related commands display mac authentication...
Page 2028: ...ii...
Page 2143: ...i Contents User profile commands 1 display user profile 1 user profile 2...
Page 2308: ...61 ipsec transform set...
Page 2531: ...i Contents SAVI commands 1 ipv6 savi down delay 1 ipv6 savi log enable 1 ipv6 savi strict 2...
Page 2534: ...3 Sysname ipv6 savi strict Related commands ipv6 verify source...
Page 2791: ...14 Sysname track 1 Related commands delay display track...
Page 2939: ...9 sntp authentication keyid sntp reliable authentication keyid...
Page 2967: ...27 Related commands apply poe profile poe enable poe max power interface view poe priority...