1-6
z
For many-to-one VLAN mapping, enable customer-side QinQ on the downlink port and service
provider-side QinQ on the uplink port.
z
To save system resources, disable user bindings recording on the DHCP snooping trusted ports
that forward DHCP packets. For information about this feature, refer to DHCP Configuration in the
IP Services Volume.
Configuring One-to-One VLAN Mapping
Perform one-to-one VLAN mapping on the corridor switches shown in
Figure 1-1
to use VLANs to
isolate different services of different users.
Configuring One-to-One VLAN Mapping
Configuration prerequisites
The CVLAN-to-SVLAN mappings have been planned.
Configuration procedure
Follow these steps to configure a one-to-one VLAN mapping:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Create a VLAN
vlan
vlan-id
Create a CVLAN
and a SVLAN
Exit to system
view
quit
Required
By default, only the
default VLAN (VLAN 1)
exists.
Repeat these steps for
all CVLANs and SVLANs
involved in VLAN
mapping.
Configure an uplink policy to map the
CVLAN to the SVLAN
Refer to
Table 1-1
Required
Configure a downlink policy to map the
SVLAN to the original CVLAN
Refer to
Table 1-2
Required
Enter interface view of the downlink
port
interface interface-type
interface-number
—
Set the link type of the downlink port to
trunk
port link-type
trunk
Required
Configure the downlink port to permit
the specified CVLANs and SVLANs or
all VLANs to pass through
port trunk permit vlan
{
vlan-id-list
|
all
}
Required
By default, a trunk port
permits only VLAN 1 to
pass through.
Enable basic QinQ on the port
qing enable
Required
Apply the uplink policy to the inbound
direction of the downlink port
qos apply policy policy-name
inbound
Required
Apply the downlink policy to the
outbound direction of the downlink port
qos apply policy policy-name
outbound
Required
Exit to system view
quit
—
Enter the interface view of the uplink
port
interface interface-type
interface-number
—
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 ...
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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 ...