Networking :: Crossover Cat5 Vs Switch
Feb 15, 2011
got a watchguard firebox 1000 here, old tech i know, the manuals/pdfs on their site want me to use a crossover cable for the quick setup and I havent got any at the moment, but I got dozens of normal patch cables and switches. Can I use 2 patch cables on a switch to simulate a crossover cable scenario? If so ... would there be anything extra to do to make that method work? --tia
this thread indicates there is no difference other than what they mention in the thread? confirmation on that? [URL]
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Apr 9, 2009
I have 2 PC ( one have Fedora 8 and other have fedora 10 )
I want to connect them directly through CAT5 cable and want to transfer files from one two another (without internet) ...
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Nov 7, 2010
I'm trying to get my Ubunutu and OSX systems to connected via a cat5 cable to transfer some large files around very quickly. Now i know normally this would require a crossover cable as it's a direct connection but the macbook/OSX can handle changing the wires round to make it work like a crossover cable as I've done it before. However the macbook creates a self-assigned IP or as I've tried I've set it to :
IP:10.10.0.1
Subnet: 255.255.255.0
Then I've setup the Ubuntu system both through the System>Admin>Network panel as:
IP:10.10.0.2
Subnet: 255.255.255.0
and my /etc/network/interfaces file is the same;
#lines added to get static crossover cable working
auto lo
iface eth0 inet static
address 10.10.0.2
netmask 255.255.255.0
Yet when I run ifconfig in the terminal eth0 isn't present
Code:
htpc:~$ ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:912 errors:0 dropped:0 overruns:0 frame:0
TX packets:912 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:371613 (371.6 KB) TX bytes:371613 (371.6 KB)
ra0 Link encap:Ethernet HWaddr 70:f1:a1:e6:b1:97
inet addr:192.168.0.42 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::72f1:a1ff:fee6:b197/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:120744 errors:1 dropped:0 overruns:0 frame:0
TX packets:87499 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:171716865 (171.7 MB) TX bytes:7815802 (7.8 MB)
Interrupt:19
htpc:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 90:fb:a6:e4:c0:b0
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:23 Base address:0xe000
Also even when I try and ping 10.10.0.2 either from my OS X or the actually Ubunutu machine all I get is:
Code:
ping 10.10.0.1
PING 10.10.0.1 (10.10.0.1): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Yet the Ubunutu machine is also connected to Wifi and when I ping it's own address I get the expected response. To me it just seems like eth0 isn't being recognised somwhere or it's not turned on yet I can't seem to find any toggles or settings for it anywhere. Further more if I check >System>Admin>Network Tools the IP for eth0 is 0.0.0.0. What could be going wrong and why no IP set correctly?
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Mar 6, 2011
Im a long time Ubuntu user (since 5.04), but networks were never my speciality, I have a desktop running 10.10, connected to the internet trough a US robotics modem (connection eth1), and i want to share its network with my laptop running win7, over a cat5 cable (connection eth0), but the problem is I dont seem to understand what i am doing wrong, what the missing steps required, or in which end is the problem (either ubuntu or windows side).
From what I could grasp was needed googling about the subject, i already set the eth0 connection to share with other computers (in network manager edit connections auto eth0 ipv4 configuration set to share with other computers). Also using the cli set eth0 for static ip using :
Code:
sudo ifconfig eth0 192.168.0.1 Now the question is what i am missing? or is everything needed already done and i just have to properly configure the win7 side (which i already checked several times)?
Here is my ifconfig output:
Code:
eth0 Link encap:Ethernet Endereo de HW 00:01:29:a6:55:fe
inet end.: 10.42.43.1 Bcast:10.42.43.255 Masc:255.255.255.0
endereo inet6: fe80::201:29ff:fea6:55fe/64 Escopo:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Mtrica:1
[Code]...
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Oct 9, 2010
So i have a Vista desktop wirelessy connected to the router and a laptop running UNR 10.04. I used a Gigaware Cat5e crossover network cable to connect the desktop and laptop, and the lights light up orange so it's responsive i guess. I installed samba and can access my shared files on vista from my laptop but the transfer is 1mb/sec, i was hoping the crossover could help achieve something like 50mb/sec. Which is why i don't think i set it up right at all. How can I connect vista to ubuntu via crossover cables to transfer files?
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Feb 14, 2011
At the outset I would like to tell everyone that I am still relatively a newbie in linux. I use a usb mobile broadband data card to connect to the internet, and I recently purchased another desktop for my wife. Both of us do not share any files, but I do not have a router and was wondering if I could share my connection with her using a crossover cable.I did a lot of Googling around and tried various different things, I even followed another thread in the same forum but the most that I have got is my network manager saying that connection has been established. I am however not able to see her computer under my windows network and don't know how to proceed.I don't know where I am going wrong, and considering that my knowledge of networking is at below basement level, I would really appreciate any help in this regard.
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Apr 8, 2010
Ive just installed ubuntu on a small nettop type pc. It can connect to the internet but I want a direct network connection thru gigabit LAN using a crossover (apparently a straight cable would have been sufficient). Anyway, I have no idea where to begin. The network connection manager in Ubuntu shows Autoeth1 which is right and, if I manually set the IPv4 I can get the PCs to somehow see each other and the 7 pc to give a 'network access only' but that's it.
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Oct 13, 2010
I've been reading too much and understanding too little. What I have: Lucid laptop & desktop. Both have ethernet > hub > internet. What I want: connect them directly by the serial ports so the laptop can access the desktop's drives, and the desktop can be retired from the internet. I've got an old DB-25 null-modem, last used for multiplayer Doom. The laptop's dock has DB-9, so the connections is desktop > null-modem > Belkin DB-25 - DB-9 cable > laptop.
I had hoped this post would get me somewhere:[URL].. No such luck. When I ping 'grin.local', the connection is through the internet. If I disconnect the hub, i cannot ping.
Dunno if there's something more I should do to enable serial connection in Lucid, or if my null-modem is no longer good. I'm also rather curious how "grin.local" manages a connection through my ISP's system. These are DHCP. Shouldn't that have required the full numerical IP?
(It's nothing to do with the hub. Checked that by connecting a third box to the hub. My ISP only hands out two IP. I couldn't ping the third box.)
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Jun 24, 2011
Here is the setup I have. Two debain (squeeze machines) A1(eth0,192.168.33.1, netmask 255.255.255.0) and B1(eth0,192.168.43.1, netmask 255.255.255.0). They both have 3 nics'. So I am trying to connect to each other with a crossover cable and I have added the routes manually. eg: on machine A1 route added was
route add -net 192.168.43.0 netmask 255.255.255.0 gw 192.168.33.2 eth1
and on machine B1
route add -net 192.168.33.0 netmask 255.255.255.0 gw 192.168.43.2 eth1
For project purposes they both have to be on different networks, evn thouhg they are in same room.
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Feb 12, 2009
I have dell dimension 4700 I installed slackware 12.2 onto with the of making it a headless home network jukebox that I could ssh into and control via a crossover cable.From other posts I've seen, it looks like I just need to set up the IP addresses under the same netmask, and can use ssh then. On the slackware machine, it does not seem to recognize an eth device.
Code:
# dmesg | grep eth
Driver 'st' needs updating - please use bus_type methods
Driver 'sd' needs updating - please use bus_type methods
Driver 'sr' needs updating - please use bus_type methods
[code]....
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Feb 7, 2011
i am not able to set up a crossover connection between 2 CENTOS 5.5 boxes.
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May 2, 2010
I have a desktop running Ubuntu 8.04. I installed 10.04 on my laptop. When I mount my desktop music folder on my laptop and transfer files, they now only go at 100-200 KB/s. When I had 9.10 installed, they transferred at 1-2 MB/s.
This is the command I use to mount the directory:
sshfs matt@169.254.6.233:/home/matt/Music/ /home/matt/Music/desktop/
Is there any way I can speed it up to get it back to max speed?
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May 31, 2010
I tried to connect two ubuntu computers via crossover network. But sometimes they can connect and see each other and even ping each other and sometimes not!
Each time, each of my PC's can ping it's own IP address but may not ping the other PC. I tried to disconnect cable, reconnect, disable network, enable it again, change IP address, disconnect via Network Manager Applet, reconnect and... . But when one of them don't want to connect I can't do this anyway!
Anyone knows what must be the problem? Sometimes it took about many seconds to get them connected, and sometimes they can't connect for many hours.
I must add that I have an ADSL modem on one of two Ubuntu PCs that connect via another cable.
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Mar 3, 2011
I have a home network and I use Samba to share files. Now when I am on the network, I can see the shares just fine, but if I use a crossover cable, I cannot see or access the folders or files.My goal is to use a crossover cable from one computer with clonezilla to my server in order to use Samba to make an image of my workstation and save the image on my server.But everytime I try to connect with clonezilla I get a persmissions error and the share will not mount. I tried going to the shell and mounting as root, but that did not work either.
I have another server which is only a console and it works though I am unsure why. The share though is a mounted usb drive while on the one that does not work, it is on the internal hard drive.I was wondering if anyone had any ideas or anything I could try to narrow down the problem. Oh, I can access the share using ssh, but not samba. One other thing, the shares are set to allow read/write access to everyone so I don't see why I can not access it.
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Sep 9, 2010
I have a two node, source/destination laboratory that I've built for testing at my place of employment. I have 4 servers on each side for different protocol testing: two Windows and two Linux, all daisy-chained through a CAT5 KVM switch. I obviously have network routers/switches in place as well, but that's irrelevant for this issue:I am connecting the servers to the CAT5 KVM with CAT5 to DB-9 & USB Dongles. The DB-9 is the VGA and the USB is for mouse/keyboard support through the KVM. What I've found is that all of the Windows servers recognize the USB connection for keyboard/mouse (this connection also must be in place for the KVM to discover the server), and 1 Linux Server recognizes the USB connection. The other 3 Linux servers do not recognize the USB keyboard/mouse support portion of the dongle, and subsequently the KVM cannot discover them.
The server hardware should be identical on all servers, and I've set the BIOS/CMOS in all servers to mirror each other. Additionally, if I plug the USB portion of the dongle into one of the Windows servers and the VGA into the problematic Linux server, the KVM recognizes it (I can see it, but I obviously can't type or use the mouse). So I am confident beyond a reasonable doubt that this is an issue with USB Keyboard/Mouse support somewhere in my install of Ubuntu 9.04 Jaunty Jackalope on 3/4 of these.It must be possible, however, because 1 of them works. I've checked portions of the working Linux Server to compare them against each other, and I can't find anything that really stands out or explains why it works and the rest don't. Hell, the working one doesn't even have any drivers installed on it.The easy fix is to purchase a PS/2 Dongle. I've already verified it can support it via PS/2, but I don't want to just band-aid the issue unless there is no other solution.
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Jan 6, 2011
trying to create a "local network" by directly connecting an IBM Thinkpad with Debian Linux installed on it to an Alix computer running Voyager Linux. I'm following a "how to" I found to create a music server, hence the requirement. My issue is I can't get a static IP address to be configured on the Debian machine.I've trawled the net and have found the instructions about editing the /etc/network/interfaces and have tried to do this. First I tried to get DHCP working so I could connect the Debian machine to the net and this proved successful. I edited the interfaces file to look as follows:
# The loopback network interface
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
Then I tried adding a static IP address to the machine. As this is a network purely between two machines I made up the IP addres and used 192.168.0.1 and used a NetMask calculator to give me a NetMask of 255.255.255.254 (I told the calculator there would be 2 machines on the network). I then edited the interfaces file as follows:
# The loopback network interface
auto lo
iface lo inet loopback
[code]....
I re-booted the machine (ifdown eth0 followed by ifup eth0 keeps saying that eth0 hasn't been configured - a problem there that I don't understand), but during boot up time it failed to assign the Static IP address to eth0 and made me go into SU mode. To fix it I simply replaced the interface file with the static IP inputs with the file that had the DHCP entries (I'd made a copy of the DHCP file), and re-started the machine. Everthing came up fine. So the first question is how do I get a static IP address to be assigned to eth0 such that whenever I shut down and restart the machine the static IP address is always loaded?
The second question is around creating the network via the cross over cable. From what I've found via Google, all I should have to do is create a static IP address on the Debian machine and a static IP address on the Voyager machine. Once they're connected by the cross over cable they should see each other. Is that correct, or do I have to do anything else?
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Jun 13, 2010
I am trying to setup a networked hP C6280 all in one device attached to my network via Cat5 cable. It has the IP 192.168.0.105 and I am experiencing problems with setting up HPLIP... I know I am not the only one to have this problem, but I cant find specific info for slackware and all the posts I've found on the web are outdated, often refering to slack 9 or having been posted prior to 2006....
I use Slackware -Current (prior to 13.1 release), CUPS V1.4.3 and HPLIP V3.10.2. When I try to setup my device in HPLIP (hp-setup), I select "network/ethernet/wireless device", then HPLIP discovers my printer @ 192.168.0.105 (like I expect), and then I click "add printer" and I get:
Code:
Printer queue setup failed. Please restart CUPS and try again. And then the setup exits. Of course restarting CUPS will not I reinstalled HPLIP and no luck. I can setup the device in CUPS, but if I proceed this way, I will not be able to select the attached scanner as a resource in XSANE.In other words, if I setup the all-in-one device with CUPS, it is considered only a simple printer..I remember that I had the same problem with Slackware 12.2 about 14 months ago, but cannot remember how I fixed it.
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May 9, 2010
I'm trying to connect 2 Ubuntu computers with a crossover cable (ethernet). I found the following thread:
[URL]
Its says to go to:
1. In System > Preferences > Network Connections
and under IPv4 tab, change Method to Link-Local Only.
The problem for me is I'm using Xubuntu 9.04 (on 1 of them) and I don't have "Network Connections". Is there a way to get this utility in Xubuntu 9.04 so I can set the method to 'Link local only' ?
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Nov 2, 2010
whilst trying to install a program under crossover 9, earlier, it piped up with:
Quote:
Warning your SHM block limit is set to 33554432. The value is tpp small, for the latest version of VPS file. Please enlarge 'kernel.shmmax' value.
See screenshot, for more details. I'm running Ubuntu 10.10.
Where would I go to achive the results required.
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Jun 19, 2010
So, the only way to have bass is to use PulseAudio and edit daemon.conf to enable-lfe-remixing? Well, damn, but alright. how do I fine-tune low frequency reproduction (since my satellites can't handle anything below 150Hz)?
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Jan 22, 2010
I have been able to successfully install Acrobat 4 on CrossOver 8.0.0. I recently purchased Acrobat 9, but could not install it. Everything seems to go smoothly except that the serial number is rejected by the Acrobat installer.
1. Has anybody successfully installed a recent version of Acrobat on WINE or CrossOver?
2. What is it about WINE that would interfere with the serial number?
(I successfully installed on WinXP, so I do have a good S/N.)
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Mar 5, 2011
I use Linux Mint 10 and have been on Linux for about a year now. I'm no expert, but I can sort of find my way around. My problem is that I am not able to set up a LAN and share my internet connection through a crossover cable. I have a USB 3G data card for my internet connection, and getting a router for it is a mite expensive. I have a crossover cable and searching on the net led me to believe that I could do what I want to. The only problem is that I am unable to.I've got two desktops both on the same Mint 10 and when I connect them assign an IP address and gateway, my network manager shows that the connection is up, but I'm not able to ping the other system. I've even exited my firestarter firewall in case that was what was causing the problem, but I've not found a solution as yet.My knowledge of networking is at that dangerous stage where I know very little, but think I know a lot. What I've learnt about networking I've learned over the past one month when looking around for solutions to my problem but my basic understanding leaves a lot to be desired.
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Sep 16, 2010
I have install Ubuntu 10.04 version. Then install Crossover 9 and run Internet Explore 7 on the crossover. Now I need to access web based system through IE7 which is java applet enabled system and also I have already installed java runtime environment on crossover. But that system can not access through IE7 it given some errors.
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Apr 24, 2011
At the end of installing crossover pro 9.1, I was provided the following message:
Code:
cxmenu:error: unable to parse '/etc/xdg/menus/unity-place-applications.menu': Invalid string in comment field [Ln: 157, Col: 8]
I opened unity-place-applications.menu and looked at that line. Starting with line 155:
Code:
<!-- System Tools-->
[Code]...
I'm guessing that the comment lines that start with just "--" are generating the error. Does anyone know what the section is and what it should look like for the crossover menu items, such as installing windows software?
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Jul 28, 2009
Can the fibre channel switch in the centOS5.3 cluster edition be switched for a regular router or hub?
If so how would one do this? If not why does the switch have to be fibre channel?
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Sep 1, 2010
i have an hp pavilion dv7 and am using f13 64bit. my laptop has a built in woofer underneath that i have never been able to get to work. after the latest kernel update today my laptop now has woofer sound. there must be some new support for my laptops audio card. the problem is that it is a little overbearing. how can i a) disable this feature b) tweak the parameters like crossover frequency or gain? edit: i checked the changelog for 2.6.34 and couldn't find any info on any new audio support features.
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Oct 7, 2010
I successfully installed Ubuntu 10.04 on 2 laptops (both are identical in terms of hardware). In addition, I connected both of them (using RJ45 cables) to a switch (just a switch; I don't have a router). Can anybody guide me what should I do / what settings should I specify in each laptop in order to be able to SSH from one laptop to another?
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Oct 6, 2010
Server is on Port 1, with an address of 10.3.2.1.
Someone plugs into Port 2 and gives themself the same address.
That would cause problems, right?
So, is there a way, to say to the switch, "Hey, 10.3.2.1 is on Port 1, and nowhere else. Do not let anyone use the IP 10.3.2.1 on any other port, and if they do, disallow the traffic."
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May 10, 2010
I have 2 NIC's in my mythbuntu 10.0.4 box, one is connected to a closed network eth0 and the other to an Internet gateway eth1.
For some reason Ubuntu always makes eth0 the default network card, even if I delete the connections and add them in different a order. Because of this I can't access the Internet w/o disabling the private network card.
I could just switch the cables over but this should be doable in software and I'd like to know how.
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Nov 5, 2010
I have an HP ProCurve 2424M 24 port switch and I can't access it through the browser because I can't find the IP address of the switchhave tried resetting back to factory configuration, but still can't find the IP. So I have a null-modem cable (serial) and am trying to get into the switch via the terminal. The only thing is that I don't know what commands to type? Do I need to configure the port? If so, how do I do that? I'm not necessarily a newbie to Linux, but when it comes to the terminal
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