CentOS 5 Networking :: Eth0 An Error Of " No Cable Present"

Jan 21, 2010

I've installed Centos 5.4 _AMD64 on my PC, everything is ok except I can't connect to internet. I can see my hardware in the network manager I also have eth0 and wlan0 but I can't activate them. for eth0 an error of " No cable present" and wlan0 something about the ip I don't have a cable and I used to connect through wireless My wireless is PCI Ralink and I had the same situation with Debian and I think I needed to download extra packages to get it working. I am writing from windows vista now ,So please could you provide me with the packages and steps to get wireless working through offline process because I don't have a cable.

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CentOS 5 Networking :: Eth0 Device Not Present?

Dec 21, 2010

Installed Centos 5 on IBM T60P laptop. Intel 82573L Gigabit ethernet controller. Keep getting this erro message, "e1000 device eth0 does not seem to be present, delaying initialization."

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General :: Error Message: Device Eth0 Does Not Seem To Be Present

Jan 14, 2010

solve this error "3c501 device eth0 does not seem to be present, delaying initialization".

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CentOS 5 Networking :: Kernel Rpm Install After Error "Bringing Up Interface Eth0: Device Eth0 Has Different MAC Address Than Expected, Ignoring"

Dec 26, 2010

i install kernel rpm after i boot that kernel network not working kernel name : kernel-rt-trace-2.6.24.7-132.el5.centos.i686 [URL] error "Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring."

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Networking :: Device Eth0 Does Not Seem To Be Present - Delaying Initialization?

Jun 17, 2009

I have swapped out four known working, different bran network cards. Each one I get the same error as in the subject. If I boot to a Live CD such as CentOs 5.3 LiveCD both Nics are given an IP. This seems to only be happening with my CentOs 5.3 server install.I noticed the CentOS Live CD the Nics were reversed from eth0 to eth1 and eth1 to eth0.

At the moment as of the output of the commands, I am running two identical Nics, since the first one has always worked. I have previously used an rtl8139, 3com c3905-TX, onboard Rhine III based (now disabled) Here are steps I have done to try and figure this out:

Quote:

[root@centos ~]# lspci | grep -i eth
00:0a.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S [Rhine-III] (rev 86)
00:0e.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S [Rhine-III] (rev 86)

Quote:

[root@centos ~]# cat /var/log/dmesg | grep -i eth
eth0: VIA Rhine III at 0xee800000, 00:1b:11:bb:17:7d, IRQ 177.
eth0: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1.

[code]....

I went through the system-config-network-tui. I copied /etc/sysconfig/network-scripts/ifcfg-eth1 to the ifcfg-eth0 and edited for sanity. and as stated earlier, have swapped out four different nics for eth0, and booted to two different LiveCD's. Both LiveCD's work fine.

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Ubuntu Networking :: Cannot Get ETH0 To Appear In Ifconfig Via CAT5 Cable

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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Networking :: Cable Disconneciton Eth0 And Eth1 Behaviour

Mar 10, 2010

I need to have the configuration showed on the attached file. I have two machines, one PC (ubuntu 9.10 ) and one embedded CPU with a tailored linux version starting from 2.4.31 linux kernel with Busybox running on PPC architecture.

PC address is 192.168.30.70.

On CPU board I have two ethernet interfaces with addresses :
eth0 192.168.30.30 netmask 255.255.255.0
eth1 192.168.30.40 netmask 255.255.255.0

PC sends messages alternatively to 192.168.30.40 and to 192.168.30.30 .Between two machines there is an ethernet switch to allow messages flowing.

I use ping (from two shells on PC I ping the two addresses on CPU) to simulate messages from PC to CPU and I see this behaviour:

Starting from a situation in which CPU responds to the pings I try to disconnect cable connected to eth0 on CPU. I cannot see any interruption on ping reply on the eth0 port. If i reconnect the cable on eth0 and I disconnect cable on eth1 there are no reply to the two pings (neither from eth0 nor from eth1). It seems that all data flows on one cable just because the addresses are on the same subnet. Is this right?

If this is the right behaviour how can i separate data from PC to CPU in order to force packets to flow on two cables and avoid this sort of internal routing beetween eth0 and eth1?

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OpenSUSE Network :: Kernel Device Eth0,wlan0 Are Not Present?

Feb 27, 2011

I have installed Open SUSE in my DELL server which has 2 broadcom NIC cards, it showing both the NIC cards in Network configuration in YAST ,but it showing as not configured and not connected . Kernel device eth0,wlan0 are not present. In device manager also 2 Broadcom nic cards are detected.

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CentOS 5 Networking :: Add An Additional IPv6 IP To My Already Present VPS?

Jul 28, 2011

I have configured IPv6 in my main server and I can ping IPv6 address (eg. google). but I want to do the same on my VPS.What do I have to do to add an additional IPv6 IP to my already present VPS (IPv4 configured)?I tried the web, but no complete info of doing so anywhere.

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CentOS 5 Networking :: Broadcom BCM5700 Gigabit Not Present In 5.3

Apr 22, 2009

I just kickstarted this box - I used eth0 and had no issues. After booting - eth0 is not available/present. This was not an issue in 5.2. This is a dell 4600 - both the 100mb intel and gig broadcom are onboard. I am about to try a different kernel. This is not a show stopper - it's plugged into 100m switch and I can just use eth1 - but I am curious as to what is different and why this no longer works.

[root@localhost ~]# ifup eth0
tg3 device eth0 does not seem to be present, delaying initialization.
[root@localhost ~]# lspci
00:00.0 Host bridge: Broadcom CMIC-HE (rev 22)
00:00.1 Host bridge: Broadcom CMIC-HE
00:00.2 Host bridge: Broadcom CMIC-HE
00:00.3 Host bridge: Broadcom CMIC-HE
00:04.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro 100 (rev 08) .....

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CentOS 5 Networking :: Eth1 Does Not Seem To Be Present,delaying Initialization?

Sep 24, 2009

I have added a new network card on my Cent OS machine. This is a RTL-8139/8139C/8139C+ card. When the machine boots or I start the network it displays "eth1 does not seem to be present,delaying initialization."I have gone through different posts on the forum with similar problems and have posted output of some of the commandsOutput of lspci is

00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 10)
00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 10)

[code]....

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OpenSUSE Network :: Eth1 Stops Accepting Connections Whenever There Is No SSH Connection Present On Eth0

Oct 2, 2010

I recently setup a new SUSE box for the purposes of acting as an ftp/sftp server. It's currently setup to run ProFTPD 1.3.3.rc3 and mod_sftp/0.9.7. The server has two internal network interfaces eth0 and eth1. eth0 is purely for internal use to accept ftp and ssh. eth1 is outward facing and receives connections from the WAN via SFTP over port 22. The problem I am facing is that after half hour to an hour eth1 stops accepting connections whenever there is no SSH connection present on eth0. I can't figure out why this is happening.

ProFTPD is setup as follows: SocketBindTight directive is on, default server and port are commented out.

[code]...

When the external interface is unreachable the proftpd and proftpd-sftp logs show no record of any connection attempt. I have noticed however if I leave eth0 down eth1 stays contactable without problem. Can anyone give me some pointers on what I can check to find out why this may be happening.

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Ubuntu Networking :: Error Message - No Bluetooth Adapters Present

Jul 14, 2010

Using Ubuntu on a new toshiba satellite laptop, have setup almost everything but the bluetooth. When I try to initiate the bluetooth, I get an error message "No bluetooth adapters present" "Your computer does not have any bluetooth adapters plugged in"

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CentOS 5 Networking :: Bcm43xx Device Eth1 Does Not Seem To Be Present - Delaying Initialization

Mar 15, 2009

Ethernet card works, but Wireless card activation fails at bootup time. It also fails if I try it again from the Network Configuration UI.

I have provided some output I got from initial exploration.

I upgraded to a recent version of the 2.6 kernel.

uname -a: Linux localhost.localdomain 2.6.28.7 #1 SMP Sat Mar 14 19:04:11 PDT 2009 i686 i686 i386 GNU/Linux

I have installed the correct firmware hopefully.

cd /lib/firmware ls

Output is:

I do have the bcm* files for firmware.

output of lspci is:

Last two lines show the that Wireless card BCM4312 is visible.

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CentOS 5 Networking :: Fails At Determining IP Information For Eth0 (onboard NIC Asus P6T On Centos 5.3)?

Apr 28, 2009

I'm running a fresh install on an intel i7 system on an asus p6t deluxe v2 motherboard with the onboard NIC (Marvell Technology pci-e). I know the NIC is working as when I boot into the onboard OS that Asus provides (Asus Express Gate SSD)I have a working net connection.Booting up CentOS hangs at determining IP information for eth0 and eventually fails with the following error:PING xxx.170.30.1 from xxx.170.31.231 eth0: 56(84) bytes of data---xxx.170.30.1 ping statistics ---4 packets transmitted, o received, +3 errors, 100% packet loss, time 2999ms, pipe 3 failed.

RTNETLINK answers: file exists.
RTNETLINK answers: file exists.
RTNETLINK answers: file exists.

[code]....

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OpenSUSE Hardware :: Realtek NIC Installation - Unable To Configure The Network Card Because Kernel Device (eth0, Wlan0) Is Not Present

Nov 30, 2010

Installed a TP-Link TG-3269 Gigabit card in a machine running OS 11.3 32 bit, when I go into Yast, Network Devices, Network to try configuring the card I get this errormsg: Unable to configure the network card because the kernel device (eth0, wlan0) is not present. This is mostly caused by missing firmware (for wlan devices). See dmesg output for details. Couldn't find any mention of the card in dmesg's output, (though the 8139 onboard card is in there) there is some stuff about pci host bridge but I don't know whether they would be relevant or not

The chip on the card says it's rtl8169sc but lspci lists it as being 00:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. Device 8369 (rev 10) Done some googling and there don't seem be any drivers for a Realtek 8639 and it returns no matches from a search on realtek's site, but there is a driver there for rtl8169sc chips, which I downloaded and installed, no errors when installing it Even after a reboot I still get the same error in Yast's Network Settings screen, lspci still lists it as 8369 and the device isn't listed at all if I run ifconfig

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CentOS 5 Hardware :: Eth0: Error Fetching Interface Information: Device Not Found?

Nov 15, 2009

I have 2 network cards eth0 and eth1, for eth0 i set a manual MACADDR in network scripts. Ok so every time i boot, if the cable is plugged in, my eth0 fails to mount or i don't know.. i get this after bood when i type ifoncifg eth0 (eth0: error fetching interface information:Device not found). So i have to unplug the cable when i boot, then plug it in and do a service network restart.

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Networking :: Can Cat5e Cable Tester Be Used For Cat 6 Cable

Apr 7, 2010

Can Cat5e RJ45 connector crimper be used for Cat 6 connector because I heard cat 6 connector is different from cat 5e connector and also same question for cable tester can cat5e cable tester be used for cat 6 cable?

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Ubuntu :: Eth0 Doesn't Exists For Firestarter - Eth0: Error Fetching Interface Information: Device Not Found

May 5, 2010

My network name is eth2 it was changed by some reason and now i got these errors... i installed, reinstalled, re re installed, tried to run the asistant but no luck :/

Code:

* Stopping the Firestarter firewall...
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found

[code]....

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CentOS 5 Networking :: How To Activate Eth0 On Terminal

Mar 4, 2009

how can i activate eth0 on terminal ?

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CentOS 5 Networking :: Change The Primary Nic From Eth1 To Eth0?

May 7, 2009

Centos 5.3 How can I change the primary nic from eth1 to eth0? My board has 2 nic's and I'm having license issues with cpanel

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CentOS 5 Networking :: Fails At Determining IP Information For Eth0?

Oct 7, 2009

I have been running into network issues lately with my CentOS 5 (installed on AMD Athlon X2 - 64 bit machine about 2 years ago). It was able to connect to the network fine until yesterday when I installed more memory into the machine restarted it.

Upon restart, the boot up was paused at 'Determining IP information for eth0' step for a while and booted with out connecting to the network. I tried restarting the network (/sbin/service network restart), but this is the error message I continuously get: Determining IP information for eth0...PING xxx.1.226.1 (xxx.1.226.1) from xxx.1.226.83 eth0: 56(84) bytes of data

[Code]...

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CentOS 5 Networking :: 2 NICs Only One Works - Eth0 Don't Work

Jan 18, 2010

I have a Proliant DL 120 G5 with CentOS 5.4 and I have installed a Brodcom Corporation Netxtrem BCM 5722 Gigabit Ethernet PCI. So I have two interfaces: eth0 broadcom eth1 Intel The eth1 works, instead eth0 don't work. I can ping itself and 127.0.0.1 but I can't ping the gateway. The results of netstat -nr is:

[code]....

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CentOS 5 Networking :: Another Determining IP Information For Eth0... Failed?

Apr 1, 2010

I've seen this pop up a few times on the forum but my setup is slightly different. I have a PC with an ASUS P5N32-SLI Premium motherboard. I've just installed CentOS 5.1. Yes, I know this is ancient, but this is what they're developing on at work. I'm trying to get connected either via ethernet or wireless and neither one works. When I boot the computer to Window XP it does connect on ethernet. Ethernet should be easy so I'm concentrating on that. But I get "Determining IP information for eth0... failed." after a 'service network start'.Here is some other information that was asked on similar threads:

> uname -rmi
2.6.18-53.el5 x86_64 x86_64
> grep eth0 /etc/modprobe.conf

[code]....

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CentOS 5 Networking :: Eth0 Unavailable - Different MAC Address Expected?

Jul 8, 2010

New to CentOS5.5 I'm experiencing some trouble in order to continue my configuration. I've just installed my vmware tools and configured my network card with system-config-network

Edit eth0 (eth0) - vmxnet3 -> with a static IP I rebooted my server and since then I lost my eth0. I still see it in system-config-network, but I can't active it anymore.:

/etc/init.d/network start Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring. [FAILED]

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CentOS 5 Networking :: Eth0 Takes Traffic Of Eth1?

Oct 18, 2010

I'm having a problem and despite I have googled a lot cant find the root cause. I have a server with two embedded NICs and centos 5.5 loaded. I need to have one NIC with a fix internal IP address to communicate with the intranet and a second NIC with a fix address from my telephone provider. I know I cant have two different gateways on the net so I configured only the gateway for the second NIC leaving the field empty for the first.

I found that the first NIC is handling all the traffic for both interfaces (eth0 and eth1) and the second NIC is in standby (or doing nothing). This is causing the traffic intended for the second NIC never reach their destination. After a couple days working with the BIOS and other configuration files I tried another way of solve the issue. I put a fix address for the first NIC and another fix address for the second NIC (both in the same subnet) and from a computer pinged successfully both addresses. However if I disconnect the cable for the first NIC both interfaces goes down (eth0 and eth1) and both pings fails. If I disconnect the cable for the second NIC (with the first one connected) both pings still running without any disturbance.

I worked also in a second server with different hardware (different kind of motherboard, different NIC manufacturer, etc.) but the problem is also present in this second server. I was reading about NIC bonding or teaming, but this configuration is not present in the modprobe.conf or in the ifcfg-eth0 files, so I believe the problem is not related with this feature. Do you know what is happening with the NICs and how can I get two really, fully independent NICs?

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CentOS 5 Networking :: Use The Eth1 For That Application And Not The Default Eth0?

Nov 8, 2010

I have 2 network interface on 1 server and i got a problem finding a solution for it.I have 1 java application and i want it to use the eth1 for that application and not the default eth0. On eth0 i got for example xx.xxx.xx.22 and on eth1 i got xx.xxx.xx.23 and i want the java app to use the 23 ip one.

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CentOS 5 Networking :: Eth0 Now Broken After Last Kernel Update

Nov 23, 2010

I am currently working to get to a stable dual boot Win7/CentOS 5.5 configuration on a Dell Latitude E6510 with the Intel 82577LM chipset. I haven't gotten the Centrino N WiFI chipset working yet, but the Eth0 device was working just fine.However, yesterday I did a system update. I did not pay close attention, but I believe the update did mention networking, because I thought it might help me get my wireless going. Now, Eth0 fails with the message, "Determining IP information for eth0... failed; no link present. Check cable?" It does this at boot up and if we try reactivating it once the system is up. We have tried unstalling and re-installing the driver.The Window 7 boot sees the adapter and runs just fine. I was at a different site location yesterday when everything was working, but my co-workers and I can't help but think it might be related to the update yesterday, since everything worked prior to the update and Windoze 7 works fine with the adapter.

I have not been able to mount my NTFS harddrive on the CentOS side, despite installing fuse, and I don't have wireless, which makes it difficult to get access to new drivers. I also have a FAT32 partition that would be great to share between the boots for passing info, but I haven't found a way to mount a FAT32 partition in CentOS.

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CentOS 5 Networking :: Secondary IP Address Won't Work On Eth0

Jul 1, 2011

Everything worked fine until very recently, and without apparently ANY change to the settings on the server, a secondary IP that was assigned to my server won't work anymore..Any IP attached to the same server works fine.. So in my case, the problematic IP is 213.8.155.67. The other IP (213.8.155.42) works without any problem.How would I go about troubleshooting this?

ifconfig:
eth0 Link encap:Ethernet HWaddr 00:26:B9:44:11:3A
inet addr:213.8.155.33 Bcast:213.8.155.127 Mask:255.255.255.128
inet6 addr: fe80::226:b9ff:fe44:113a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]...

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CentOS 5 Networking :: NIC Card And Config Won't Come Up In The Ifcfg-eth0 File?

Mar 18, 2009

I've been racking my brains over the past few days trying to figure out why my NIC card (network interface card) won't show up in the ifcfg-eth0 file.When I configure a new server (like this one) I always go to:/etc/sysconfig/network-scripts/ifcfg-eth0 and from there I usally see the name of my NIC's manufacturer's name and the hardware MAC address.Then it's only a simple process of entering the server's IP address, netmask and gateway and I'm up and running in no time...But not in this case! the ifcfg-eth0 file is completely blank! There's not ONE single line of config info in it... (?)The server runs an Intel core 2 duo (dual-core) CPU with 1 gig of RAM.

I've even re-formatted the drive and re-installed Centos 5.1 on the darn thing 3 times and it simply won't work.The server cannot resolve when I do a wgetIt also gives me a 'resolution problem in the named configuration'.What I don't understand is that the 2 small LEDs on the Cat 5 cable lights up and flash at what appear to be regular intervals here.

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