FS S3150-8T2FP User manual
PoE+ Series Switches
IPv6 Configuration Guide
Models: S3150-8T2FP
S3260-8T2FP
S3260-16T4FP
S3400-24T4FP
S3400-48T4SP
POE+ SERIES SWITCHES IPV6 CONFIGURATION GUIDE
Contents
1. IPv6 Protocol Configuration..................................................................................................................................................................1
1.1 IPv6 Protocol Configuration.................................................................................................................................................................1
1.2 Enabling IPv6........................................................................................................................................................................................1
1.2.1 Setting the IPv6 Address.............................................................................................................................................................1
2. Setting the IPv6 Services........................................................................................................................................................................3
2.1 Setting the IPv6 Services......................................................................................................................................................................3
2.1.1 Managing the IPv6 Link.............................................................................................................................................................. 3
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1. IPv6 Protocol Configuration
1.1 IPv6 Protocol Configuration
The configuration of the IPv6 address of the router only takes effect on the VLAN interface, not on the physical interface.
The IPv6 protocol is disabled in default state. If the IPv6 protocol need be used on a VLAN interface, this protocol should be first
enabled in VLAN interface configuration mode. To enable the IPv6 protocol, users have to set the IPv6 address. If on a VLAN interface
at least one IPv6 address is set, the VLAN interface can handle the IPv6 packets and communicates with other IPv6 devices.
Otherwise, there will be no IPv6 address and the protocol will not be enabled.
To enable the IPv6 protocol, users should finish the following task:
Setting at least one IPv6 address in VLAN interface configuration mode
1.2 Enabling IPv6
1.2.1 Setting the IPv6 Address
The IPv6 address is used to determine the destination address to which the IPv6 packets can be sent. There are three kinds of IPv6
addresses.
Type
Referred Format
Usage Guidelines
Unicast address
2001:0:0:0:0DB8:800:200C:417A/64
2001:0:0:0:0DB8:800:200C:417A is address.
Meanwhile the prefix length of the address
must be specified (such as 64 in the
reference format)
Multicast address
FF01:0:0:0:0:0:0:101
All multicast addresses begin with FF.
Any address
2002:0:0:0:0DB8:800:200C:417A/64
The format of this address is the same as
that of the unicast address. Different VLAN
interfaces can be set to have the same
address, no matter it is a
unicast/broadcast/multicast address.
Packets forwarding to any broadcast
address will "route" to the VLAN port with
one configured broadcast address nearest
to the sender.
For the further details of the IPv6 address, see RFC 4291.
In order to enable IPv6, users must set a unicast address in VLAN interface configuration mode. The set unicast address must be one
or multiple addresses of the following type:
IPv6 link-local address
Global IPv6 address
To set an IPv6 link-local address in VLAN interface configuration mode, run the following commands.
Command
Purpose
ipv6 enable
Sets a link-local address automatically.
ipv6 address fe80::x link-local
Sets a link-local address manually.
Note:
(1) The link-local address must begin with fe80. The default length of the prefix is 64 bit. At manual settings only the values at
the last 64 bits can be designated.
(2) On a VLAN interface can only one link-local address be set.
(3) After IPv6 is enabled through the configuration of the link-local address, IPv6 only takes effect on the local link.
To set a global IPv6 address in VLAN interface configuration mode, run the following commands.
POE+ SERIES SWITCHES IPV6 CONFIGURATION GUIDE
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Command
Purpose
ipv6 address autoconfig
Sets a global address automatically.
ipv6 address [ipv6-address/prefix-length | general-prefix
prefix-name sub-bits/prefix-length] | [eui-64]
Sets a global address.
ipv6 address X:X:X:X::X/<0-128> anycast
Sets an address of unicast/broadcast/multicast.
Note:
(1) When IPv6 is enabled through the configuration of a global address, all interconnected IPv6 device can be handled by IPv6.
(2) If a link-local address has not been set before the configuration of the global address, the system will set a link-local address
automatically.
POE+ SERIES SWITCHES IPV6 CONFIGURATION GUIDE
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2. Setting the IPv6 Services
2.1 Setting the IPv6 Services
After IPv6 is enabled, all services provided by IPv6 can be set. The configurable IPv6 service is shown below:
(1) Managing the IPv6 Link
2.1.1 Managing the IPv6 Link
IPv6 provides a series of services to control and manage the IPv6 link. This series of services includes:
(1) Setting the MTU of IPv6
(2) Setting IPv6 redirection
(3) Setting IPv6 destination unreachablity
(4) Setting IPv6 ACL
1) Setting the MTU of IPv6
All interfaces have a default IPv6 MTU. If the IP message length exceeds MTU, the routing switch segments the message.
To set IPv6 MTU on a specific interface, run the following command in interface configuration mode:
Command
Purpose
ipv6 mtu bytes
Sets IPv6 MTU on an interface.
2) Setting IPv6 redirection
Sometimes the host selects an unfavorable route. After a routing switch on the route receives a message from the host, it is to check
the routing table and then forward the message through the message-receiving interface to another switch that is in the same
network segment as the host. In this case, the switch notifies the source host of directly sending the message with the destination to
another switch without winding itself. The redirection message requires the source host to discard the original route and take more
direct route suggested in the message. Many host’s operating system adds a host route to its routing table. However, the routing
switch is more willing to trust information obtained through the routing protocol. Therefore, the switch would not add the host
route according to the information.
IPv6 redirection is opened by default. However, if a hot standby router protocol is configured on an interface, IPv6 redirection is
automatically closed. If the hot standby router protocol is canceled, this function will not automatically open.
To enable IPv6 redirection, run the following command:
Command
Purpose
ipv6 redirects
Allows IPv6 to transmit the redirection packets.
3) Setting IPv6 Destination Unreachability
In many cases, the system will automatically transmit the destination-unreachable packets. Users can close this function. If this
function is closed, the system will not transmit the ICMP unreachable packets.
To enable this function, run the following command:
Command
Purpose
ipv6 unreachable
Allowing IPv6 to transmit the destination unreachable packets.
4) Setting IPv6 ACL
Users can use ACL to control the reception and transmission of packets on a VLAN interface. If you introduce ACL on a VLAN interface
in global configuration mode and designate the filtration's direction, the IPv6 packets will be filtered on this VLAN interface.
To filter the IPv6 packets, run the following command in interface configuration mode.
POE+ SERIES SWITCHES IPV6 CONFIGURATION GUIDE
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