Networking
Configuring IPv6 Addressing
Cisco SA500 Series Security Appliances Administration Guide 88
2
Router Advertisement Daemon (RADVD)
If you configured the security appliance to use IPv4/IPv6 mode, you can configure
the Router Advertisement Daemon (RADVD) on this device. The RADVD listens for
router solicitations in the IPv6 LAN and responds with router advertisements as
required. This is stateless IPv6 auto configuration as it distributes IPv6 prefixes to
all nodes on the network.
First configure RADVD, and then add your RADVD prefixes as described in the
following sections:
• Configuring Router Advertisement
• Adding RADVD Prefixes
Configuring Router Advertisement
Use this page to enable RADVD and to choose the advertise mode.
STEP 1 Click Networking > IPv6 > Router Advertisement.
The RADVD window opens.
STEP 2 Enter the following information:
• RADVD Status: Enable or disable the RADVD process. If you enable RADVD,
complete the fields that are highlighted with white backgrounds.
• Advertise Mode: Choose one of the following modes:
- Unsolicited Multicast: Choose this option to send router advertisements
to all interfaces belonging to the multicast group. Also enter the Advertise
Internal.
- Unicast only: Choose this option to restrict advertisements to well known
IPv6 addresses only (advertisements are sent only to the interface of the
known address).
• Advertise Interval: If you chose Unsolicited Multicast mode, enter a value
between the Minimum Router Advertisement Interval and Maximum Router
Advertisement Interval. MinRtrAdvInterval = 0.33 * MaxRtrAdvInterval. The
default is 30 seconds.
• RA Flags: Choose one of the following options:
- Managed: Choose this option to use the administered/stateful protocol
for address auto configuration.
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