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Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter31 Configuring IPv6 Neighbor Discovery
Configuring the Neighbor Reachable Time
Step4 Click the IPv6 tab.
Step5 In the NS Interval field, enter the time interval.
Step6 Click OK.
Step7 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:
Step1 Choose Configuration > Device Setup > Interfaces.
Step2 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.
Step3 Click Edit. The Edit Interface dialog box appears with three tabs: General, Advanced, and IPv6.
Step4 Click the IPv6 tab.
Step5 In the Reachable Time field, enter a valid value.
Step6 Click OK.
Step7 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:
Step1 Choose Configuration > Device Setup > Interfaces.
Step2 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 page31-9.
Step3 Click Edit. The Edit Interface dialog box appears with three tabs: General, Advanced, and IPv6.
Step4 Click the IPv6 tab.
Step5 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.
Step6 Click OK.