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02-AP Association with the AC at Layer 3 (IPv6) Configuration Examples

 

H3C Access Controllers

Comware 7 AP Association with the AC at Layer 3 (IPv6)

Configuration Examples

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copyright © 2021 New H3C Technologies Co., Ltd. All rights reserved.

No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of New H3C Technologies Co., Ltd.

Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this document are the property of their respective owners.

The information in this document is subject to change without notice.



Introduction

The following information provides an example for configuring APs to associate with the AC at Layer 3 on an IPv6 network.

Prerequisites

The following information applies to Comware 7-based access controllers and access points. Procedures and information in the examples might be slightly different depending on the software or hardware version of the access controllers and access points.

The configuration examples were created and verified in a lab environment, and all the devices were started with the factory default configuration. When you are working on a live network, make sure you understand the potential impact of every command on your network.

The following information is provided based on the assumption that you have basic knowledge of IPv6 basics and WLAN access.

Restrictions and guidelines

When you configure AP's association with the AC at Layer 3, follow these restrictions and guidelines:

·     Use the serial ID labeled on the AP's rear panel to specify an AP.

·     To prevent too many packets from entering VLAN 1, configure the switch's interface that connects the switch to the AP to deny packets from VLAN 1.

Example: Configuring an AP to associate with the AC at Layer 3 (IPv6)

Network configuration

As shown in Figure 1, the AC acts as a DHCPv6 server to assign IPv6 addresses to the AP, client, and host. Assume centralized forwarding is used in this example.

Configure wireless services to enable the client to access the wireless services and communicate with the host.

Figure 1 Network diagram

 

Procedures

Configuring the AC

1.     Configure AC interfaces:

# Create VLAN 100 and VLAN-interface 100, and assign an IPv6 address to the VLAN interface. The AC will use this IPv6 address to establish a CAPWAP tunnel with the AP.

<AC> system-view

[AC] vlan 100

[AC-vlan100] interface vlan-interface 100

[AC-Vlan-interface100] ipv6 address 1::1:0:0:1/96

[AC-Vlan-interface100] quit

# Create VLAN 200. VLAN 200 will be used for client access.

[AC] vlan 200

[AC-vlan200] quit

# Configure GigabitEthernet 1/0/1 that connects the AC to the switch as a trunk port, remove the port from VLAN 1, and assign the port to VLANs 100 and 200.

[AC] interface gigabitethernet 1/0/1

[AC-GigabitEthernet1/0/1] port link-type trunk

[AC-GigabitEthernet1/0/1] undo port trunk permit vlan 1

[AC-GigabitEthernet1/0/1] port trunk permit vlan 100 200

[AC-GigabitEthernet1/0/1] quit

2.     Configure an IPv6 static route.

[AC] ipv6 route-static 1::4:0:0:0 96 1::1:0:0:2

3.     Configure wireless services:

# Create service template 1 and enter its view.

[AC] wlan service-template 1

# Configure the SSID as service.

[AC-wlan-st-1] ssid service

# Enable the service template.

[AC-wlan-st-1] service-template enable

# Enable snooping DHCPv6 packets and ND packets.

[AC-wlan-st-1] client ipv6-snooping dhcpv6-learning enable

[AC-wlan-st-1] client ipv6-snooping nd-learning enable

[AC-wlan-st-1] quit

4.     Configure the AP:

# Create manual AP officeap, and specify the AP model and serial ID.

[AC] wlan ap officeap model WA4320i-ACN

[AC-wlan-ap-officeap] serial-id 210235A1GQB147031200

# Bind service template 1 and VLAN 200 to radio 1.

[AC-wlan-ap-officeap] radio 1

[AC-wlan-ap-officeap-radio-1] service-template 1 vlan 200

# Enable radio 1.

[AC-wlan-ap-officeap-radio-1] radio enable

[AC-wlan-ap-officeap-radio-1] return

Configuring the Layer 3 switch

1.     Configure switch interfaces:

# Create VLAN 100, VLAN 400, VLAN-interface 100 and VLAN-interface 400, and assign IPv6 addresses to the VLAN interfaces. The switch will use VLAN 100 and VLAN 400 to forward packets between AC and AP.

<L3 switch> system-view

[L3 switch] vlan 100

[L3 switch-vlan100] quit

[L3 switch] interface vlan-interface 100

[L3 switch-Vlan-interface100] ipv6 address 1::1:0:0:2/96

[L3 switch-Vlan-interface100] quit

[L3 switch] vlan 400

[L3 switch-vlan400] quit

[L3 switch] interface vlan-interface 400

[L3 switch-Vlan-interface400] ipv6 address 1::4:0:0:1/96

[L3 switch-Vlan-interface400] quit

# Create VLAN 200 and VLAN-interface 200 and assign an IPv6 address to the VLAN interface. This VLAN will be used for client access.

[L3 switch] vlan 200

[L3 switch-vlan200] quit

[L3 switch] interface vlan-interface 200

[L3 switch-Vlan-interface200] ipv6 address 1::2:0:0:1/96

[L3 switch-Vlan-interface200] quit

# Create VLAN 300 and VLAN-interface 300 and assign an IPv6 address to the VLAN interface. This VLAN will be used for host access.

[L3 switch] vlan 300

[L3 switch-vlan300] quit

[L3 switch] interface vlan-interface 300

[L3 switch-Vlan-interface300] ipv6 address 1::3:0:0:1/96

[L3 switch-Vlan-interface300] quit

# Configure GigabitEthernet 1/0/1 that connects the switch to the AC as a trunk port, remove the port from VLAN 1, and assign the port to VLANs 100 and 200.

[L3 switch] interface gigabitEthernet 1/0/1

[L3 switch-GigabitEthernet1/0/1] port link-type trunk

[L3 switch-GigabitEthernet1/0/2] undo port trunk permit vlan 1

[L3 switch-GigabitEthernet1/0/1] port trunk permit vlan 100 200

[L3 switch-GigabitEthernet1/0/1] quit

# Configure GigabitEthernet 1/0/2 that connects the switch to the AP as a trunk port, remove the port from VLAN 1, configure the PVID as VLAN 400, and assign the port to VLANs 200 and 400.

[L3 switch] interface gigabitEthernet 1/0/2

[L3 switch-GigabitEthernet1/0/2] port link-type trunk

[L3 switch-GigabitEthernet1/0/2] undo port trunk permit vlan 1

[L3 switch-GigabitEthernet1/0/2] port trunk permit vlan 200 400

[L3 switch-GigabitEthernet1/0/2] port trunk pvid vlan 400

[L3 switch-GigabitEthernet1/0/2] quit

# Configure GigabitEthernet 1/0/3 that connects the switch to the host as an access port, and assign the port to VLAN 300.

[L3 switch] interface gigabitEthernet 1/0/3

[L3 switch-GigabitEthernet1/0/3] port access vlan 300

[L3 switch-GigabitEthernet1/0/3] quit

2.     Configure DHCPv6:

# Enable the DHCPv6 server on VLAN-interface 200, VLAN-interface 300, and VLAN-interface 400, and apply address pools 1, 2, and 3 to these interfaces, respectively.

[L3 switch] interface vlan-interface 200

[L3 switch-Vlan-interface200] ipv6 dhcp select server

[L3 switch-Vlan-interface200] ipv6 dhcp server apply pool 1

[L3 switch-Vlan-interface200] quit

[L3 switch] interface vlan-interface 300

[L3 switch-Vlan-interface300] ipv6 dhcp select server

[L3 switch-Vlan-interface300] ipv6 dhcp server apply pool 2

[L3 switch-Vlan-interface300] quit

[L3 switch] interface vlan-interface 400

[L3 switch-Vlan-interface400] ipv6 dhcp select server

[L3 switch-Vlan-interface400] ipv6 dhcp server apply pool 3

[L3 switch-Vlan-interface400] quit

# Disable RA message suppression, and set both the managed address configuration flag (M) and the other stateful configuration flag (O) to 1 in RA advertisements to be sent for the created VLAN interfaces.

[L3 switch] interface vlan-interface 200

[L3 switch-Vlan-interface200] undo ipv6 nd ra halt

[L3 switch-Vlan-interface200] ipv6 nd autoconfig managed-address-flag

[L3 switch-Vlan-interface200] ipv6 nd autoconfig other-flag

[L3 switch-Vlan-interface200] quit

[L3 switch] interface vlan-interface 300

[L3 switch-Vlan-interface300] undo ipv6 nd ra halt

[L3 switch-Vlan-interface300] ipv6 nd autoconfig managed-address-flag

[L3 switch-Vlan-interface300] ipv6 nd autoconfig other-flag

[L3 switch-Vlan-interface300] quit

[L3 switch] interface vlan-interface 400

[L3 switch-Vlan-interface400] undo ipv6 nd ra halt

[L3 switch-Vlan-interface400] ipv6 nd autoconfig managed-address-flag

[L3 switch-Vlan-interface400] ipv6 nd autoconfig other-flag

[L3 switch-Vlan-interface400] quit

# Create DHCPv6 address pool 1 to assign an IPv6 address to the AP, and specify subnet 1::2:0:0:0/96 in the DHCP address pool.

[L3 switch] ipv6 dhcp pool 1

[L3 switch-dhcp6-pool-1] network 1::2:0:0:0/96

[L3 switch-dhcp6-pool-1] quit

# Create DHCPv6 address pool 2 to assign an IPv6 address to the client, and specify subnet 1::3:0:0:0/96 in the DHCP address pool.

[L3 switch] ipv6 dhcp pool 2

[L3 switch-dhcp6-pool-2] network 1::3:0:0:0/96

[L3 switch-dhcp6-pool-2] quit

# Create DHCPv6 address pool 3 to assign an IPv6 address to the host, specify subnet 1::4:0:0:0/96 in the DHCP address pool, and configure Option 52 to specify the AC's IPv6 address.

[L3 switch] ipv6 dhcp pool 3

[L3 switch-dhcp6-pool-3] network 1::4:0:0:0/96

[L3 switch-dhcp6-pool-3] option 52 hex 00010000000000000001000000000001

[L3 switch-dhcp6-pool-3] quit

Verifying the configuration

# Verify that the AP is in R/M state.

<AC> display wlan ap all                                                           

Total number of APs: 1                                                         

Total number of connected APs: 1                                               

Total number of connected manual APs: 1                                        

Total number of connected auto APs: 0

Total number of connected common APs: 1

Total number of connected WTUs: 0                                         

Total number of inside APs: 0                                        

Maximum supported APs: 3072                                                    

Remaining APs: 3071                                                            

Total AP licenses: 512                                              

Local AP licenses: 512

Server AP licenses: 0

Remaining Local AP licenses: 511                                                 

Sync AP licenses: 0

                                                                               

                                 AP information                                

 State : I = Idle,      J  = Join,        JA = JoinAck,    IL = ImageLoad       

          C = Config,    DC = DataCheck,  R  = Run,   M = Master,  B = Backup   

                                                                               

AP name                APID    State   Model             Serial ID             

officeap               1        R/M     WA4320i-ACN      210235A1GQB147031200 

# Verify that the client is connected to radio 1 on AP officeap.

<AC> display wlan client ipv6

Total number of clients: 1

                                                                               

MAC address     AP name               RID  IPv6 address              VLAN

784f-43b6-077c officeap              1     1::2:0:0:2                200

# Verify that the client and the host can ping each other successfully.

C:\Users\system32>ping 1::2:0:0:2 -t

 

Pinging 1::2:0:0:2 with 32 bytes of data:

Reply from 1::2:0:0:2: bytes=32 time=2470ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=2ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=1427ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=2ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=86ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=142ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=561ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=84ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=465ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=114ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=124ms TTL=63

Reply from 1::2:0:0:2: bytes=32 time=446ms TTL=63

 

Ping statistics for 1::2:0:0:2:

    Packets: Sent = 12, Received = 12, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

    Minimum = 2ms, Maximum = 2470ms, Average = 495ms

Control-C

^C

C:\Users\system32>

Configuration files

·     AC:

#                                                                           

vlan 100                                                                    

#                                                                           

vlan 200                                                                    

#                                                                           

interface Vlan-interface100                                                   

 ipv6 address 1::1:0:0:1/96                                                 

#                                                                            

wlan service-template 1                                                        

 ssid service                                                                

 client ipv6-snooping nd-learning enable

 client ipv6-snooping dhcpv6-learning enable                               

 service-template enable                                                      

#                                                                           

interface GigabitEthernet1/0/1                                             

 port link-type trunk                                                        

 undo port trunk permit vlan 1                                           

 port trunk permit vlan 100 200                                             

#                                                                             

ipv6 route-static 1::4:0:0:0 96 1::1:0:0:2                                    

#                                                                              

wlan ap officeap model WA4320i-ACN                                       

 serial-id 210235A1GQB147031200                                            

 vlan 1                                                                       

 radio 1                                                                      

  radio enable                                                                 

  service-template 1 vlan 200                                                 

 radio 2                                                                   

#                                                                       

·     Layer 3 switch:

#                                                                   

vlan 100                                                                      

#                                                                              

vlan 200                                                                      

#                                                                              

vlan 300                                                                

#                                                                              

vlan 400                                                                      

#                                                                            

ipv6 dhcp pool 1                                                        

 network 1::2:0:0:0/96                                                        

#                                                                              

ipv6 dhcp pool 2                                                              

network 1::3:0:0:0/96                                                        

#                                                                             

ipv6 dhcp pool 3                                                           

 network 1::4:0:0:0/96                                                       

 option 52 hex 00010000000000000001000000000001                              

#                                                                              

interface Vlan-interface100                                             

 ipv6 address 1::1:0:0:2/96                                                

#                                                                             

interface Vlan-interface200                                              

 ipv6 dhcp select server                                                 

 ipv6 dhcp server apply pool 1                                            

 ipv6 address 1::2:0:0:1/96                                                   

 ipv6 nd autoconfig managed-address-flag                               

 ipv6 nd autoconfig other-flag                                             

 undo ipv6 nd ra halt                                                     

#                                                                             

interface Vlan-interface300                                                 

 ipv6 dhcp select server                                                    

 ipv6 dhcp server apply pool 2                                             

 ipv6 address 1::3:0:0:1/96                                            

 ipv6 nd autoconfig managed-address-flag                              

 ipv6 nd autoconfig other-flag                                          

 undo ipv6 nd ra halt                                                           

#                                                                         

interface Vlan-interface400                                               

 ipv6 dhcp select server                                                  

 ipv6 dhcp server apply pool 3                                             

 ipv6 address 1::4:0:0:1/96                                                  

 ipv6 nd autoconfig managed-address-flag                                 

 ipv6 nd autoconfig other-flag                                              

 undo ipv6 nd ra halt                                                          

#                                                                               

interface GigabitEthernet1/0/1                                             

 port link-type trunk                                                      

 undo port trunk permit vlan 1                                              

 port trunk permit vlan 100 200                                            

#                                                                             

interface GigabitEthernet1/0/2                                            

 port link-type trunk                                                       

 undo port trunk permit vlan 1                                              

 port trunk permit vlan 200 400                                           

 port trunk pvid vlan 400                                                

#                                                                             

interface GigabitEthernet1/0/3                                          

 port access vlan 300                                                          

#                                                                            

Related documentation

·     AP and WT Management Command Reference in H3C Access Controllers Command References

·     AP and WT Management Configuration Guide in H3C Access Controllers Configuration Guides

·     Network Connectivity Command Reference in H3C Access Controllers Command References

·     Network Connectivity Configuration Guide in H3C Access Controllers Configuration Guides