System IP

Configure IP basic settings, control IP interfaces and IP routes. The maximum number of interfaces supported is 8 and the maximum number of routes is 32.

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../Graphics/config_system_ip.png
Object Description
IP Configuration
Mode Configure whether the IP stack should act as a Host or a Router. In Host mode, IP traffic between interfaces will not be routed. In Router mode traffic is routed between all interfaces.
DNS Server This setting controls the DNS name resolution done by the switch. The following modes are supported:
  • From any DHCP (Dynamic Host Configuration Protocol) interfaces — The first DNS server offered from a DHCP lease to a DHCP-enabled interface will be used.
  • No DNS server — No DNS server will be used.
  • Configured — Explicitly provide the IP address of the DNS Server in dotted decimal notation.
  • From this DHCP interface — Specify from which DHCP-enabled interface a provided DNS server should be preferred.
DNS Proxy When DNS proxy is enabled, system will relay DNS requests to the currently configured DNS server, and reply as a DNS resolver to the client devices on the network.
IP Interfaces
Delete Select this option to delete an existing IP interface.
VLAN (Virtual LAN) The VLAN associated with the IP interface. Only ports in this VLAN will be able to access the IP interface. This field is only available for input when creating a new interface.
IPv4 DHCP Enabled Enable the DHCP client by checking this box. If this option is enabled, the system will configure the IPv4 address and mask of the interface using the DHCP protocol. The DHCP client will announce the configured System Name as hostname to provide DNS lookup.
IPv4 DHCP Fallback Timeout The number of seconds for trying to obtain a DHCP lease. After this period expires, a configured IPv4 address will be used as IPv4 interface address. A value of zero disables the fallback mechanism, such that DHCP will keep retrying until a valid lease is obtained. Valid values are 0 – 4294967295 seconds.
IPv4 DHCP Current Lease For DHCP interfaces with an active lease, this column show the current interface address, as provided by the DHCP server.
IPv4 Address The IPv4 address of the interface in dotted decimal notation. 
If DHCP is enabled, this field configures the fallback address. The field may be left blank if IPv4 operation on the interface is not desired, or no DHCP fallback address is desired.
IPv4 Mask The IPv4 network mask, in number of bits (prefix length). Valid values are 0 – 30 bits for an IPv4 address. If DHCP is enabled, this field configures the fallback address network mask. The field may be left blank if IPv4 operation on the interface is not desired, or no DHCP fallback address is desired.
IPv6 Address The IPv6 address of the interface. An IPv6 address is in 128-bit records represented as eight fields of up to four hexadecimal digits with a colon separating each field (:). For example, fe80::215:c5ff:fe03:4dc7. The symbol :: is a special syntax that can be used as a shorthand way of representing multiple 16-bit groups of contiguous zeros; but it can appear only once. It can also represent a legally valid IPv4 address. For example, ::192.1.2.34. 
The field may be left blank if IPv6 operation on the interface is not desired.
IPv6 Mask The IPv6 network mask, in number of bits (prefix length). Valid values are 1 – 128 bits for an IPv6 address. The field may be left blank if IPv6 operation on the interface is not desired.
Default Gateway
Address The IP address of the gateway valid format is dotted decimal notation.
IP Routes
Delete Select this option to delete an existing IP route.
Network The destination IP network or host address of this route. Valid format is dotted decimal notation or a valid IPv6 notation. A default route can use the value 0.0.0.0 or IPv6 :: notation.
Mask Length The destination IP network or host mask, in number of bits (prefix length). It defines how much of a network address that must match, in order to qualify for this route. Valid values are 0 – 32 bits respectively 128 for IPv6 routes. Only a default route will have a mask length of 0 (as it will match anything).
Gateway The IP address of the IP gateway. Valid format is dotted decimal notation or a valid IPv6 notation. Gateway and Network must be of the same type.
Next Hop VLAN (IPv6 only) The VLAN ID (VID) of the specific IPv6 interface associated with the gateway. The given VID ranges are 1 – 4094 and will be effective only when the corresponding IPv6 interface is valid. If the IPv6 gateway address is link-local, it must specify the next hop VLAN for the gateway. If the IPv6 gateway address is not link-local, system ignores the next hop VLAN for the gateway.
Buttons
../_Common/../Graphics/add_interface.png Add a new IP interface. Up to eight interfaces are supported.
../_Common/../Graphics/set_default_gateway.png Save changes.
../_Common/../Graphics/add_route.png Add a new IP route. Up to 32 routes are supported.
../_Common/../Graphics/save_new.png Save changes.
../_Common/../Graphics/reset_new.png Undo any changes and revert to previously saved values.