Interfaces
Wide Area Networks (WANs)
LR54 User Guide
132
iv. Set the MTU:
(config network interface my_wan)> ipv4 mtu
num
(config network interface my_wan)>
v. Configure how to use DNS:
(config network interface my_wan)> ipv4 use_dns
value
(config network interface my_wan)>
where
value
is one of:
n
always
: DNS will always be used for this WAN; when multiple interfaces have
the same DNS server, the interface with the lowest metric will be used for DNS
requests.
n
primary
: Only use the DNS servers provided for this interface when the
interface is the primary route.
n
never
: Never use DNS servers for this interface.
vi. Enable DHCP Hostname to instruct the LR54 device to include the device's system
name with DHCP requests as the Client FQDN option. The DHCP server can then be
configured to register the device's hostname and IP address with an associated DNS
server.
(config network interface my_wan)> ipv4 dhcp_hostname true
(config network interface my_wan)>
n
See
for further information about DHCP server support for the Client
FQDN option.
n
See
for information about setting the LR54
device's system name.
b. See
Configure SureLink active recovery to detect WAN/WWAN failures
for information
about configuring SureLink for active recovery.
7. (Optional) Configure IPv6 settings:
a. Enable IPv6 support:
(config network interface my_wan)> ipv6 enable true
(config network interface my_wan)>
b. Set the IPv6 type to DHCP:
(config network interface my_wan)> ipv6 type dhcpv6
(config network interface my_wan)>
c. Generally, the default settings for IPv6 support are sufficient. You can view the default IPv6
settings by using the question mark (
?
):
(config network interface my_wan)> ipv6 ?
IPv6
Parameters
Current Value