Panasonic CJ-HDR216 User Manual

Also see for CJ-HDR216: Quick start guide

Panasonic CJ-HDR216 User Manual Manual pdf 77 page image

694.10.2 Network4.10.2.1 TCP/IPThe single network adapter interface is shown as in Figure 4-57. MTU: It is to set MTU value of the network adapter. The value ranges from 1280-7200bytes. The default setup is 1500 bytes. Please note MTU modification may result innetwork adapter reboot and network becomes off. That is to say, MTU modificationcan affect current network service. System may pop up dialog box for you to confirmsetup when you want to change MTU setup. Click OK button to confirm current reboot,or you can click Cancel button to terminate current modification. Before themodification, you can check the MTU of the gateway; the MTU of the DVR shall be thesame as or is lower than the MTU of the gateway. In this way, you can reduce packetsand enhance network transmission efficiency.The following MTU value is for reference only. 1500: Ethernet information packet max value and it is also the default value. It isthe typical setup when there is no PPPoE or VPN. It is the default setup of somerouter, switch or the network adapter. 1492: Recommend value for PPPoE. 1468: Recommend value for DHCP. LAN download: System can process the downloaded data first if you enable thisfunction. The download speed is 1.5X or 2.0X of the normal speed. IP Version: There are two options: IPv4 and IPv6. Right now, system supports these twoIP address format and you can access via them. MAC address: The host in the LAN can get a unique MAC address. It is for you to accessin the LAN. It is read-only. IP address: Here you can use up/down button () or input the correspondingnumber to input IP address. Then you can set the corresponding subnet mask thedefault gateway. Default gateway: Here you can input the default gateway. Please note system needsto check the validity of all IPv6 addresses. The IP address and the default gatewayshall be in the same IP section. That is to say, the specified length of the subnet prefixshall have the same string. DHCP: It is to auto search IP. When enable DHCP function, you cannot modifyIP/Subnet mask /Gateway. These values are from DHCP function. If you have notenabled DHCP function, IP/Subnet mask/Gateway display as zero. You need todisable DHCP function to view current IP information. Besides, when PPPoE isoperating, you cannot modify IP/Subnet mask /Gateway. Preferred DNS server: DNS server IP address. Alternate DNS server: DNS server alternate address.After completing all the setups please click save button, system goes back to the previousmenu.