Router - TG582N - IP Related Settings

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Manually adjust DHCP range

You can't delete the default DHCP range from the web GUI. You need to use the CLI!

"dhcp server flush" removes all existing DHCP settings. In this example 81.187.X.Z is the router's LAN address.

dhcp server flush
dhcp server config state=enabled
dhcp server pool add name=LAN index=0
dhcp server pool config name=LAN intf=LocalNetwork poolstart=81.187.X.X poolend=81.187.X.Y netmask=28 gateway=81.187.X.Z server=81.187.X.Z primdns=217.169.20.20 secdns=217.169.20.21
saveall
dhcp server pool list

or to set the pool to be 192.168.0.100 through to 200:

 dhcp server pool config name=LAN intf=LocalNetwork poolstart=192.168.0.100 poolend=192.168.0.200 netmask=24 gateway=192.168.0.254 server=192.168.0.254 primdns=217.169.20.20 secdns=217.169.20.21

"dhcp server pool list" should be used to check whether it is set up correctly or not.


You may need to add your new LAN addresses too to the access list for the web interface:

service system ipadd name=HTTP ip=YOUR.LAN.IP.BLOCK/MASK
service system ipadd name=HTTPs ip=YOUR.LAN.IP.BLOCK/MASK

To view settings:

service system list name=HTTP expand=enabled
service system list name=HTTPs expand=enabled

You should then see the IP(s) in 'Ip Access List'

Then, save the settings:

saveall

Disabling Router Advertisements (RA rt6advd)

Telnet in and: To display the inferface(s) that RA is on:

ip rt6advd iflist

Shows something like:

Flags Legend: [A]ttached [M]anaged [O]ther - Def. Rtr. Pref. [L]ow / Medi[U]m / [H]igh
Interface        AdvInterval Lifetime Reachable  Retrans.   CurHopLimit LinkMTU Flags  NextRA
---------------- ----------- -------- ---------- ---------- ----------- ------- ------ --------
LocalNetwork      200 /  600     1800          0          0          64       0 [A.OU]      249

To remove it:

ip rt6advd ifdelete

And then to an iflist again to check, and LocalNetwork should be gone.

Adding Static-routes

ip rtlist
ip rtadd dst=network/mask gateway=gatewayip
ip saveall

Enabling/Disabling NAT

To view NAT status:

nat iflist

If required, rather than going through the config wizard on the web interface, you can enable/disable NAT on the telnet interface by:

nat ifconfig intf Internet translation enabled

or

nat ifconfig intf Internet translation disabled

You may then need to:

saveall

Mixing NAT and Public addresses

Mixed NAT explains how to configure the router so that you can have NAT clients and clients with public addresses at the same time.

Disable the Content Sharing Interface

The router has a content sharing feature, this is for using the USB port for file sharing. It's rarely used though. This feature uses a separate 'virtual' interface, which it grabs its IP via DHCP - a little odd. This can result in the surprising loss of an IP address - really bad with a /30. It appears to grab its IP from the first DHCP server pool - i.e. index 0 from

:dhcp server pool list

View the IP content sharing has on the web interface: - Home Network - Interfaces - Local Network:

Here content sharing has taken the only available IP!

To view the list of interfaces:

eth bridge list

To remove this interface, and therefore to stop it grabbing an IP:

eth bridge ifdetach intf virt brname bridge
eth bridge ifdelete intf virt brname bridge
saveall

Other pages regarding this router

<ncl style=bullet maxdepth=5 headings=bullet headstart=2 showcats=1 showarts=1 showfirst=1>Category:Router TG582N</ncl>