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Forum Discussion
Mark_Oliver
Sep 24, 2016Guide
Cannot access cable modem’s Configuration Manager via R7000
My router is a Nighthawk R7000 with 1.0.7.2_1.1.93 firmware. I am attempting to replace a DSL gateway with a Zoom 5370 cable modem [just plain vanilla: no router included]. When the 5370 is direc...
- Sep 27, 2016
I'm still hoping that OP will try disabling PPPoE.
IrvSp
Sep 24, 2016Master
I've got a Motorola SB6141 and 192.168.100.1 accesses it fine on my R7000.
The modem goes into the Yellow Internet port which it appears you've done.
DHCP could be the culprit here? Are you using your ISP's or another one? ISP's would know about the modem pages, another one might not?
Mark_Oliver
Sep 25, 2016Guide
Thanks for the report. That gives me some hope.
I’m using the R7000 itself as the DHCP server (as configured under Advanced > Setup > LAN Setup). If I didn’t do that, I expect I’d have to manually assign IP addresses (“address reservation”) for each device’s MAC address.
The address range is 192.168.1.4 thru 192.168.1.254, so there isn’t any apparent DHCP conflict with the cable modem’s IP.
- IrvSpSep 25, 2016Master
Opps, I meant DNS, not DHCP, sorry.
Under BASIC => INTERNET SETUP:
Domain Name Server (DNS) Address Get Automatically from ISP Is this selected?
Can you PING it? This is what I get:
C:\>ping 192.168.100.1
Pinging 192.168.100.1 with 32 bytes of data
Reply from 192.168.100.1: bytes=32 time=9ms TTL=63
Reply from 192.168.100.1: bytes=32 time<1ms TTL=63
Reply from 192.168.100.1: bytes=32 time<1ms TTL=63
Reply from 192.168.100.1: bytes=32 time<1ms TTL=63
Ping statistics for 192.168.100.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 9ms, Average = 2msCable modem is on a different sub-net, you'll never get a conflict. 192,168,1,xxx vs. 192,168.100.xxx.
- IrvSpSep 25, 2016Master
Do an IPCONFIG /ALL as well and paste the output here please. Mine look like this:
=============
C:\>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Irv8700
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Ethernet:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : F8-B1-56-DD-6A-5B
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5824:8732:3f2c:ea8c%15(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.30(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Sunday, September 25, 2016 9:17:21 AM
Lease Expires . . . . . . . . . . : Monday, September 26, 2016 9:17:20 AM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 335065430
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1D-04-98-17-F8-B1-56-DD-6A-5B
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter Local Area Connection* 6:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:79fd:24c6:1d7c:47a7:ec0e(Pref
erred)
Link-local IPv6 Address . . . . . : fe80::24c6:1d7c:47a7:ec0e%13(Preferred)
Default Gateway . . . . . . . . . : ::
DHCPv6 IAID . . . . . . . . . . . : 268435456
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1D-04-98-17-F8-B1-56-DD-6A-5B
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter isatap.{E7CCEF81-7C2E-4BCE-85CD-02C71CD9B760}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes========================
Really only need the "Ethernet adapter Ethernet:" info and the RED line is the one of interest. Should be the same, if not that could be the problem. That is possible if you are using a STATIC IP Address and you set it wrong.
- Mark_OliverSep 25, 2016Guide
"Can I ping it?" is an excellent question, one I should have specified in my original post. No, I can't.
C:\>ping 192.168.100.1
Pinging 192.168.100.1 with 32 bytes of data
Reply from 192.168.1.1: Destination net unreachable.
Reply from 192.168.1.1: Destination net unreachable.
Reply from 192.168.1.1: Destination net unreachable.
Reply from 192.168.1.1: Destination net unreachable.
Ping statistics for 192.168.100.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Not sure what the relevance of the Subnet Mask would be, but here ya go:
C:\>ipconfig /all
Ethernet adapter Local Area Connection 2:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Ethernet Connection (2) I218-V
Physical Address. . . . . . . . . : D0-50-99-37-DA-DC
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::152a:b174:cc6c:5e8c%17(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.6(Preferred)
* Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Sunday, September 25, 2016 9:19:05 AM
Lease Expires . . . . . . . . . . : Monday, September 26, 2016 9:19:04 AM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 449859737
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-CC-95-2A-00-24-1D-84-7E-2D
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Yes, I get my DNS server assigned by the ISP, but I can’t imagine how using my own choice would have an impact on this problem.
Thanks for your interest.- TheEtherSep 25, 2016Guru
Are you, by any chance, using PPPoE, PPTP or L2TP on the R7000 to log into your Internet service?