[Mageia-discuss] home network using broadband router

WALKER RICHARD richard.j.walker at ntlworld.com
Thu Mar 8 23:43:11 CET 2012


That all looks just perfect. Almost identical to mine, in fact. So
there is no obvious low-level problem preventing you from setting up
your comms between PCs. Back in a tick; putting the kettle on...

On 08/03/2012, e-letter <inpost at gmail.com> wrote:
> On 08/03/2012, mageia-discuss-request at mageia.org
> <mageia-discuss-request at mageia.org> wrote:
>> ------------------------------
>>
>> Message: 6
>> Date: Thu, 8 Mar 2012 01:03:37 +0000
>> From: WALKER RICHARD <richard.j.walker at ntlworld.com>
>>
>> OK, it is all looking a lot clearer now. Your router can do what you
>> want, I believe, provided it is on the same network as your 2 PCs.
>>
>
> The computers and router are connected via ethernet cables, within a
> house so I assume that is considered a "same" network.
>
>>
>> The only address left to wonder about is the private network address
>> of the router itself. It has the public address assigned by your ISP
>> on the WWW side, but its LAN address should be in your network range.
>> >From your mask we know that you have "only" 256 addresses to play with
>> so the router should have one of those. That means that the first
>> three octets of the addresses for PC1, PC2 and the router must be the
>> same; probably 192.168.0
>>
>
> Yes, I use such as address to access the router via a web browser.
>
>> If that's the case then you should be able to ping the router and the
>> other PC, and nmap the network. Let's try that again, this time post
>> your output as the only addresses will be private anyway. Don't forget
>> to disable the personal firewalls on the two Mandriva boxes.
>>
>> We are expecting nmap -sP 192.168.0.* to report 3 hosts; the two PCs
>> and the router. If we don't see all three, then as suggested above we
>
> command terminal output:
>
> nmap -sP 192.168.0.*
>
> ...
> Nmap scan report for 192.168.0.1
> Host is up (0.00030s latency).
> MAC Address: ... (broadband internet router)
> Nmap scan report for 192.168.0.2
> Host is up (0.00016s latency).
> MAC Address: ... (computer)
> Nmap scan report for 192.168.0.3
> Host is up.
> Nmap done: 256 IP addresses (3 hosts up) scanned in 31.54 seconds
>
>> need to look at the routing tables to make sure they are  correctly
>> set. Just enter "route" in a root console on each PC and post that
>> output too.
>>
> route command terminal output (note: personal firewall not disabled at
> the time of writing):
>
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 192.168.0.0     *               255.255.255.0   U     10     0        0 eth1
> link-local      *               255.255.0.0     U     10     0        0 eth1
> loopback        *               255.0.0.0       U     0      0        0 lo
> default         192.168.0.1     0.0.0.0         UG    10     0        0 eth1
>
>> The next step, if we need it, is to double-check the configured
>> settings in the router. I hope you can access that from your
>> browser;-)
>>
>
> yes
>


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