Chapter 7
IP Address Assignment
RUGGEDCOM ROX II
CLI User Guide
218 Managing IPv6 Network Prefixes
5. Type commit and press Enter to save the changes, or type revert and press Enter to abort.
Section7.1.6
Managing IPv6 Network Prefixes
An IPv6-capable interface can use Neighbor Discovery to advertise IPv6 network prefixes to its neighbor on the
same link.
CONTENTS
• Section7.1.6.1, “Adding an IPv6 Network Prefix”
• Section7.1.6.2, “Deleting an IPv6 Network Prefix”
Section7.1.6.1
Adding an IPv6 Network Prefix
To add a network prefix to the neighbor discovery configuration for an IPv6 address, do the following:
1. Make sure the CLI is in Configuration mode.
2. Add the network prefix by typing:
ip interface ipv6 nd prefix prefix
Where:
• interface is the name of the interface
• prefix is the IPv6 address and prefix
3. Configure the lifetime settings by configuring the following parameter(s):
Parameter Description
valid { valid } Synopsis: { infinite } or a 32-bit unsigned integer between 0 and 4294967295
The length of time in seconds during which time the prefix is valid for the purpose of on-
link determination.
preferred { preferred } Synopsis: { infinite } or a 32-bit unsigned integer between 0 and 4294967295
The length of time in seconds during which addresses generated from the prefix remain
preferred.
4. Configure the prefix settings by configuring the following parameter(s):
Parameter Description
off-link Indicates that advertisement makes no statement about on-link or off-link properties of
the prefix.
no-autoconfig Indicates to hosts on the local link that the specified prefix cannot be used for IPv6
autoconfiguration.
router-address Indicates to hosts on the local link that the specified prefix contains a complete IP
address by setting the R flag.
5. Type commit and press Enter to save the changes, or type revert and press Enter to abort.
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