Networking & Wireless forum

Question

sub-networking with an adsl router/modem

by Ezeq76 / November 2, 2012 5:19 AM PDT

Hi!

I'm trying to build a different sub network using an adsl router/modem left from my old ISP. (a Sagem F@st 2604 )

I first connected the old adsl router with my new ISP gateway (a Thomson TG784n) on the same net 192.168.1.0/24 with a ethernet cable (NOT cross-over) connecting numbered Ethernet ports, (DHCP and wi-fi off) and all went ok (1).

Now I'm trying to put my PC and the old sagem F@st 2604 on the 192.168.10.0/24 network , but I really don't know how to configure the different Ethernet ports in the sagem modem/router, I fear that I wont be able to configure the Sagem to behave as a switch(2).

(1) I don't know how this worked, but it did. Can you give any light on this subject?

(2) Is it possible to configure the sagem F@st 2604 to behave as a switch?

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All Answers

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Answer
1. No answer.
by R. Proffitt Forum moderator / November 2, 2012 5:26 AM PDT

2. Usually you just turn off any DHCP feature and viola, it's a switch.

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Brige not Swicht
by Ezeq76 / November 2, 2012 7:16 PM PDT
In reply to: 1. No answer.

It "bridges", but does not "switches".
I will make another run, and try to reconfigure it, one more time.
Thanks

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Odd.
by R. Proffitt Forum moderator / November 3, 2012 1:55 AM PDT
In reply to: Brige not Swicht

I thought we didn't connect it to the WAN/Modem port. You only wanted the hub ports to work?

Remember that I tend to use the networking lingo so when you ask me about a switch, I'll include the non-switched hub as well unless you write more.

When we use these DSL modems for the switch, we would never use the WAN port. That's a given.
Bob

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No WAN ports used
by Ezeq76 / November 3, 2012 3:27 AM PDT
In reply to: Odd.

Hi Bob

I'm only using LAN/Ethernet ports, at this moment I'm able to assign a secundary IP (192.168.10.1/24) to them, and keep the old sagem f@st with the 192.168.1.1/24, but if I change my PC IP to 192.168.10.10/24 I can ping the sagem, but can't access the internet.

The only way that can access the internet is keeping my PC Ethernet port in the 192.168.1.0/24 sub-net. I don't know if this is a windows miss configuration or a bad router configuration.

My words and explanations, sometimes, may be lacking precision, that is because I'm just starting in the network field (studying) . For example, I'm having a hard time to understand was does the option "Enable Ethernet M2U "

Best regards
Vasco

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Post Script
by Ezeq76 / November 3, 2012 4:12 AM PDT
In reply to: No WAN ports used

Is there any way to find out if this router as his 4 LAN ports working as a hub?

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Hubs and switched hubs have no IP addresses.
by R. Proffitt Forum moderator / November 3, 2012 9:29 AM PDT
In reply to: No WAN ports used

So that's very off in the place of weirdness.

All I've ever had to do was to disable DHCP and bingo, it's a hub.
Bob

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a hub it is
by Ezeq76 / November 4, 2012 6:06 AM PST

ya! it's a hub. No more to it.

Thanks
Vasco

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