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- Network configuration in buildroot-ng
-
-
-The network configuration in buildroot-ng is stored in /etc/config/network
-and is divided into interface configurations.
-Each interface configuration either refers directly to an ethernet/wifi
-interface (eth0, wl0, ..) or to a bridge containing multiple interfaces.
-It looks like this:
-
- config interface "lan"
- option ifname "eth0"
- option proto "static"
- option ipaddr "192.168.1.1"
- option netmask "255.255.255.0"
- option gateway "192.168.1.254"
- option dns "192.168.1.254"
-
-"ifname" specifies the Linux interface name.
-If you want to use bridging on one or more interfaces, set "ifname" to a list
-of interfaces and add:
- option type "bridge"
-
-It is possible to use VLAN tagging on an interface simply by adding the VLAN IDs
-to it, e.g. "eth0.1". These can be nested as well.
-
-This sets up a simple static configuration for eth0. "proto" specifies the
-'protocol' used for the interface. The default image usually provides 'none'
-'static', 'dhcp' and 'pppoe'. Others can be added by installing additional
-packages.
-
-When using the 'static' method like in the example, the options "ipaddr" and
-"netmask" are mandatory, while "gateway" and "dns" are optional.
-DHCP currently only accepts "ipaddr" (IP address to request from the server)
-and "hostname" (client hostname identify as) - both are optional.
-
-PPP based protocols (pppoe, pptp, ...) accept these options:
- username:
- The PPP username (usually with PAP authentication)
- password:
- The PPP password
- keepalive:
- Ping the PPP server (using LCP). The value of this option
- specifies the maximum number of failed pings before reconnecting.
- The ping interval defaults to 5, but can be changed by appending
- ",<interval>" to the keepalive value
- demand:
- Use Dial on Demand (value specifies the maximum idle time)
-
- (pptp)
- server: The remote pptp server IP
-
-For all protocol types, you can also specify the MTU by using the "mtu" option.
-
-
-
-
- Setting up the switch (currently broadcom only)
-
-
-The switch configuration is set by adding a 'switch' config section.
-Example:
-
- config switch eth0
- option vlan0 "1 2 3 4 5*"
- option vlan1 "0 5"
-
-On Broadcom hardware the section name needs to be eth0, as the switch driver
-does not detect the switch on any other physical device.
-Every vlan option needs to have the name vlan<n> where <n> is the VLAN number
-as used in the switch driver.
-As value it takes a list of ports with these optional suffixes:
-
- '*': Set the default VLAN (PVID) of the Port to the current VLAN
- 'u': Force the port to be untagged
- 't': Force the port to be tagged
-
-The CPU port defaults to tagged, all other ports to untagged.
-On Broadcom hardware the CPU port is always 5. The other ports may vary with
-different hardware.