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Displaying and maintaining IPSG
Execute display commands in any view and reset commands in user view.
Display IPv4SG bindings.
display ip source binding
[
static
| [
vpn-instance
vpn-instance-name ]
[
dhcp-relay
|
dhcp-server
|
dhcp-snooping
] ]
[
ip-address
ip-address ]
[
mac-address
mac-address ] [
vlan
vlan-id ] [
interface
interface-type
interface-number ] [
slot
slot-number ]
Display IPv6SG bindings.
display ipv6 source binding
[
static
| [
vpn-instance
vpn-instance-name ]
[
dhcpv6-snooping
]
]
[
ip-address
ipv6-address ] [
mac-address
mac-address ] [
vlan
vlan-id ] [
interface
interface-type interface-number ]
[
slot
slot-number ]
IPSG configuration examples
Static IPv4SG configuration example
Network requirements
As shown in Figure 117, all hosts use static IP addresses.
Configure static IPv4SG bindings on Switch A and Switch B to meet the following requirements:
• GigabitEthernet 1/0/2 of Switch A allows only IP packets from Host C to pass.
• GigabitEthernet 1/0/1 of Switch A allows only IP packets from Host A to pass.
• All interfaces of Switch B allow IP packets from Host A to pass.
• GigabitEthernet 1/0/1 of Switch B allows IP packets from Host B to pass.
Figure 117 Network diagram
Configuration procedure
1. Configure Switch A:
# Configure IP addresses for the interfaces. (Details not shown.)
# Enable IPv4SG on GigabitEthernet 1/0/2.
<SwitchA> system-view
[SwitchA] interface gigabitethernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] ip verify source ip-address mac-address
# On GigabitEthernet 1/0/2, configure a static IPv4SG binding for Host C.
IP: 192.168.0.3/24
MAC : 0001-0203-0405
IP: 192.168.0.1/24
MAC: 0001-0203-0406
Host A
IP: 192.168.0.2/24
MAC: 0001-0203-0407
Host B
Host C
GE1/0/1
Switch A
Switch B
GE1/0/1
GE1/0/2
GE1/0/2
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