Network
E220 Series Cellular Router User Guide 137
Parameters Description
Server Settings
Domain required Check to allow forwarding of DNS request only if they have domain
name.
Authoritative Check to authorize the DHCP in the local network.
Local server Enter the local server domain specification. These domain names
are only resoled using DHCP or host files.
Local domain Enter the local domain suffix appended to DHCP names and host file
entries.
Log queries Log the DNS request received in the syslog server.
DNS forwardings Enter the DNS Server names to forward the received DNS requests.
Rebind protection Check to discard upstream RFC1918 responses
Allow localhost Check to allow upstream responses in the 127.0.0.0/8 range, e.g. for
RBL services
Domain whitelist Enter the list of domain name to allow RFC1918 responses.
Active DHCP Leases
Hostname Name of the device that is connected to the router and has been
leased an IP Address by DHCP server.
IPv4-Address IPv4 Address assigned to the device connected to the router.
MAC-Address MAC address of the device connected to the router.
Leasetime remaining Remaining time until which the device can use the DHCP server
leased IP Address.
Active DHCPv6 Leases
Hostname Name of the device that is connected to the router and has been
leased an IPv6 Address by DHCPv6 server.
IPv6-Address IPv6 Address assigned to the device connected to the router.
DUID DUID (Device Unique Identifier) of the device connected to the
router
Leasetime remaining Remaining time until which the device can use the DHCPv6 sever
leased IPv6 Address.
Static Leases
Hostname Name of the device that is connected to the router and has been
assigned a static IP Address.
MAC-Address MAC address of the device connected to the router.
IPv4-Address IPv4 Address to be assigned to the device connected to the router.
IPv6-Suffix (hex) IPv6 Address to be assigned to the device connected to the router.
Table 10.4-1: General Configuration of DHCP Server and DNS-Forwarder
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