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Management Interface
Cisco Small Business SG200 Series 8-port Smart Switch 37
3
• DAD Status—The Duplicate Address Detection status. When you configure
an IPv6 address on the switch, before the switch actually assigns the
address, it performs neighbor discovery to detect if that address is already
in use on the network.
- If the address is already in use, its DAD status is True, and the address is
not usable for management access.
- If the address is found to be unique, its DAD status is False, and the
address can be used for management access.
You can configure multiple IPv6 addresses. Each address should have a different
prefix so that the switch can be managed from stations on different subnets. When
a route to one subnet fails, the switch can be managed from another subnet.
To add a static IPv6 address:
STEP 1 Click Add.
STEP 2 Enter an IPv6 address followed by a slash (/) and the prefix length.
STEP 3 Select EUI-64 if the address conforms to the EUI-64 format, whereby the first
three to five octets are the Organizationally Unique Identifier (OUI) and the
remaining octets are a unique assigned address.
STEP 4 Click Apply and then click Close. Your changes are saved to the Running
Configuration.
IPv6 Default Router Table
When IPv6 management is enabled, the switch uses the IPv6 neighbor discovery
process to identify the default router for communicating with devices outside the
local IPv6 subnet. The default router in IPv6 networks is similar in function to the
default router in IPv4 networks.
The IPv6 Default Router table lists the default router IP address for each IPv6
management address. A default router address consists of the link-local address
of the IPv6 interface on the subnet.