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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-30644-01
Chapter 4 Configuring the Access Point for the First Time
Configuring IPv6
IPv6 WDS AP registration
The first active IPv6 address is used to register the WDS. Table 4-8 shows different scenarios in the IPv6
WDS AP registration process.
Note 11r roaming between IPv4 and IPv6 access points is not supported because the MDIE is different. Both
AP and WDS use the first active IPv6 address in BV1 to register and advertise. Link-local is not used
for registration.
CDPv6 Support:
CDP is a layer2 protocol used to get information on the immediate neighbor’s device-ID, capabilities,
mac address, ip address or duplex. Each CDP enabled device sends information about itself to its
immediate neighbor. As part of native IPv6, the access point sends its IPv6 address as well as part of the
address TLV in the cdp message; it also parses the IPv6 address information it gets from the neighboring
switch.
This command shows the connected IPv6 neighbor:
ap# show cdp neighbors detail
Table 4-8 IPv6 WDS–AP Registration
Scenario
WDS AP
Mode of
CommunicationDual IPv6 IPv4 Dual IPv6 IPv4
1Yes yes IPv6
2Yes yes IPv6
3Yes yesIPv4
4yesyes IPv6
5yes yesIPv6
6 yes yes Fails
7yesyesIPv4
8 yes yes Fails
9yesyesIPv4