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Network down after changing from DSL to Cable
Server runs SBS03 and about 15 computers running WinXP. They were running smoothly before changed to cable lately. Within the first week, the network was down twice.
Server has 2 network cards. One connect to the cable modem, one to the hub. the cable ISP gave me an IP static address, gateway, subnetmask, dns1, dns2 numbers. when i tried to use CEICW on the server, the IP/Gateway/Subnet mask are grey out. so I just changed dns1 and dns2. LAN is DHCP.
Did I miss something when changing the numbers? how to fix it?
Thank you in advance.
Server has 2 network cards. One connect to the cable modem, one to the hub. the cable ISP gave me an IP static address, gateway, subnetmask, dns1, dns2 numbers. when i tried to use CEICW on the server, the IP/Gateway/Subnet mask are grey out. so I just changed dns1 and dns2. LAN is DHCP.
Did I miss something when changing the numbers? how to fix it?
Thank you in advance.
Lionel MM
Your server should have a static IP address. Do this by going to control panel, network connections and changing settings there. Are you hosting the static IP from the cable company on the Cable modem, or on your server?
ASKER
I tried to go to control panel but didn't see any to change the settings.
Windows Server 2003--Control Panel, Network Connections, and you should see LAN connections there. Doubler click, then Properties, then double click Internet Properties. You should see the settings here to change IP address, gateway, DNS servers and more. Is your static IP from the cable company hosted on the cable modem, or a router, or on the server?
ASKER
I don't know. How to find it out?
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ASKER
Windows IP Configuration
Host Name . . . . . . . . . . . . : SBS03
Primary Dns Suffix . . . . . . . : me.local
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : Yes
DNS Suffix Search List. . . . . . : me.local
charterinternet.com
Ethernet adapter Network Connection:
Connection-specific DNS Suffix . : charterinternet.com
Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS VBD Client)
Physical Address. . . . . . . . . : 00-1E-C9-DC-40-CB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.44.4
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.44.1
DHCP Server . . . . . . . . . . . : 192.168.44.1
DNS Servers . . . . . . . . . . . : 192.168.16.2
NetBIOS over Tcpip. . . . . . . . : Disabled
Lease Obtained. . . . . . . . . . : Sunday, December 08, 2013 8:17:28 PM
Lease Expires . . . . . . . . . . : Sunday, December 15, 2013 8:17:28 PM
Ethernet adapter Server Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS VBD Client) #2
Physical Address. . . . . . . . . : 00-1E-C9-DC-40-CD
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.16.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.16.2
Primary WINS Server . . . . . . . : 192.168.16.2
--------------------------
Tracing route to 97-93-40-246.static.mtpk.c
over a maximum of 30 hops:
1 <1 ms <1 ms 1 ms 192.168.44.1
2 192.168.44.1 reports: Destination host unreachable.
Trace complete.
Host Name . . . . . . . . . . . . : SBS03
Primary Dns Suffix . . . . . . . : me.local
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : Yes
DNS Suffix Search List. . . . . . : me.local
charterinternet.com
Ethernet adapter Network Connection:
Connection-specific DNS Suffix . : charterinternet.com
Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS VBD Client)
Physical Address. . . . . . . . . : 00-1E-C9-DC-40-CB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.44.4
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.44.1
DHCP Server . . . . . . . . . . . : 192.168.44.1
DNS Servers . . . . . . . . . . . : 192.168.16.2
NetBIOS over Tcpip. . . . . . . . : Disabled
Lease Obtained. . . . . . . . . . : Sunday, December 08, 2013 8:17:28 PM
Lease Expires . . . . . . . . . . : Sunday, December 15, 2013 8:17:28 PM
Ethernet adapter Server Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS VBD Client) #2
Physical Address. . . . . . . . . : 00-1E-C9-DC-40-CD
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.16.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.16.2
Primary WINS Server . . . . . . . : 192.168.16.2
--------------------------
Tracing route to 97-93-40-246.static.mtpk.c
over a maximum of 30 hops:
1 <1 ms <1 ms 1 ms 192.168.44.1
2 192.168.44.1 reports: Destination host unreachable.
Trace complete.
OK I only see one DNS server, and internal server 192.168.16.2 so that may be the problem--what about the secondary and third DNS servers, those provided to you by your cable company. It also seems that the static IP is on your cable modem, is the Default Gateway . . . . . . . . . : 192.168.44.1 your cable modem? If so, please check the setting on the cable modem and check the IP setting there, the IP static address, gateway, subnetmask, dns1, dns2 numbers. Do you have a router or just a hub and a cable modem?
ASKER
- the cable company gave me DNS1: 71.9.127.107 DNS2: 68.190.192.35
- I just have a cable modem (from the cable company) and a hub
- how to check the setting on the cable modem? it's Charter SMC Networks modem.
Thanks a lot.
- I just have a cable modem (from the cable company) and a hub
- how to check the setting on the cable modem? it's Charter SMC Networks modem.
Thanks a lot.
Use internet explorer and type http://192.168.44.1 in the url and see if you can get into the modem.
ASKER
No, I still can't get into the modem.
I've heard that Charter doesn't let their customers access to the modem. Don't know why. but the main thing is that the problem keep happened everyweek and they said it must be something with the network settings even I didn't have that problem before when I was with another DSL provider.
I've heard that Charter doesn't let their customers access to the modem. Don't know why. but the main thing is that the problem keep happened everyweek and they said it must be something with the network settings even I didn't have that problem before when I was with another DSL provider.