Problems with Linksys router/SMC modem network

Jun 16, 2006 2 Replies

My network is set up as follows



ISP -- SMC modem/access point -- Linksys wireless router -- PC (Win XP)



My problem is that the PC connection is lost intermitently and frequently. I suspect an addressing issue because executing


ipconfig/release
>ipconfig/renew

at the command line always restores connectivity immediately.


Here is the LAN description provided on the SMC modem/accesspoint administrative page:


IP address



10.1.10.1

Private Address pool



From 10.1.10.10

To 10.1.10.199



PPTP IP Address pool



From 10.1.10.200

To 10.1.10.229



Here is the LAN description provided on the Linksys router's admin page:



local IP address



192.168.1.1

Start IP address



192.168.1.100

Number of addresses 50



DHCP Address range:



192.168.1.100 - 192.168.1.149

DHCP server is enabled on both SMC device and Linksys device, and both devices are using subnet mask 255.255.255.0.



My thought is that the loss of connectivity arises as a result of an addressing conflict which occurs when the SMC device's DHCP server attempts to assign an IP to either the PC or the Linksys device.



Honestly, I don't even know if theses two machines should be connected, given that the network part of thier IP's are 192 and 10, respectively.



I investigated the possibility of putting the SMC modem/access point into bridge mode, but I don't see that that's an option.



Any suggestions on what you think might be causing the loss of connection and/or how I might fix it? Thanks!



smithch



On 16 Jun 2006 10:34:28 -0700, snipped-for-privacy@hotmail.com wrote in :

Actual model numbers? Firmware versions? Is the SMC a router? Actual symptoms (exactly)?

That's suggests a DHCP lease renewal problem.

Ah, the SMC is a router.

Bad idea. While that can be made to work, it's best to have only *one* DHCP server on a small network. Also, the Linksys should be configured as a wireless *access point*, not a router, or you'll have Double NAT, and that's A Bad Thing.

See How To below to follow my advice above.

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