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31-7
Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter 31 Configuring IPv6 Neighbor Discovery
Configuring the Neighbor Reachable Time
Step 4 Click the IPv6 tab.
Step 5 In the NS Interval field, enter the time interval.
Step 6 Click OK.
Step 7 Click Apply to save the running configuration.
Configuring the Neighbor Reachable Time
To configure the amount of time that a remote IPv6 node is considered reachable after a reachability
confirmation event has occurred, perform the following steps:
Step 1 Choose Configuration > Device Setup > Interfaces.
Step 2 Choose the interface for which you want to configure the time. The interface must have been configured
with an IPv6 address. For more information, see the “Configuring IPv6 Addresses on an Interface”
section on page 31-9.
Step 3 Click Edit. The Edit Interface dialog box appears with three tabs: General, Advanced, and IPv6.
Step 4 Click the IPv6 tab.
Step 5 In the Reachable Time field, enter a valid value.
Step 6 Click OK.
Step 7 Click Apply to save the running configuration.
Configuring the Router Advertisement Transmission Interval
To configure the interval between IPv6 router advertisement transmissions on an interface, perform the
following steps:
Step 1 Choose Configuration > Device Setup > Interfaces.
Step 2 Select the interface for which you want to configure the time.
The interface must have been configured with an IPv6 address. For more information, see the
“Configuring IPv6 Addresses on an Interface” section on page 31-9.
Step 3 Click Edit. The Edit Interface dialog box appears with three tabs: General, Advanced, and IPv6.
Step 4 Click the IPv6 tab.
Step 5 In the RA Interval field, enter a valid transmission interval value.
Note (Optional) To add a router advertisement transmission interval value in milliseconds instead,
check the RA Interval in Milliseconds check box, and enter a value from 500 to 1800000.
Step 6 Click OK.