Lost Default Gateway

[cichlid]

Folks it happened again this morning. I kinda expect it to. Looks like it's a DHCP problem.
When I checked the machine this morning, no connection. Tried the 'unscrew cable' suggestion but that didn't make any difference.
Had wondered about the lease that I got yesterday and half expected to get a problem after 4am.

Event log details.

17/06/2004 05.20.35

Source †“ DHCP

Event ID †“ 1003

Type †“ Warning

Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 000D87D3C452. The following error occurred:

The semaphore timeout period has expired. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.



Modem rebooted and got IP address with a lease of 17th @ 09.20.07 until 18th @ 07.04.26

So I'm expecting this to happen tomorrow morning again.
Is the lease time normally 22hours?

You appear to be blocking dhcp renew requests - do you have a firewall running ?

[cichlid]

Can't be blocked (by me anyway) - I've a straight set up. XP Pro PC with cross over cable into the back of the cable modem. No Firewall (not even XP firewall). No Antivirus. I've set it like this intentionally so there is nothing to interfere or nothing that can be claimed to be unsupported.

[cichlid]

Update - Lease expired at 7am this morning.
Looks like it acquired a new address at 8am (no problems this time) and has been given it for a full 24 hours now.
Honestly, I've changed nothing on my machine.
At the minute I wouldn't call this an always on service.

[cichlid]

Ok, I'm really startin to get annoyed with this.
Although the DHCP renewal worked this morning - at 11:10 today my internet connection just died. Same problem. Rebooted the modem and eventually it gave me the same address with expiry of 8am tomorrow.

[poolking]

You know you are asking for trouble with no firewall or AV software, not much help here, as I'm stating the obvious.

[Stop It]

Originally Posted by cichlid

Update - Lease expired at 7am this morning.
Looks like it acquired a new address at 8am (no problems this time) and has been given it for a full 24 hours now.
Honestly, I've changed nothing on my machine.
At the minute I wouldn't call this an always on service.

*I may be wrong* About the DHCP lease, if you disconnect and reconnect within a lease, you get the lease back, until it expires, it *shouldnt* renew it, hence you dont get 24 hours.

Anyway, not using virus software or a firewall is frankly asking for it, before you do anything go to http://housecall.trendmicro.com and do a scan, if you're clean, try to change from USB/Ethernet or vice versa, and see if it still drops, if So, get a brick, tie it to modem, you know the rest. :p

[cichlid]

Having no firewall or AV software is not as big a problem as people may think. I've used a PC's without AV software for a couple of years and been ok (honetly, ya just have to be careful). Having a firewall only complicates things and only seems to be of benefit to people who are running services or who aren't that computer literate.
I would never be so reliant on my PC that any attack can be fixed in 10 minutes (reboot and insert Ghost image) or someone may see sensitive info (ok, theres a picture of my pet fish on the machine somewhere and maybe my Mums phone number). Really depends what you want your PC for though.
Ah well, looks like once again I've found another weird one that won't go away easily

[Stuartbe]

No AV or firewall

No there's a brave man.... You may not have any sensitive information on the computer but it would be very easy for someone to install a trojan on your pc and use you as a spam relay or worse download nasty files of the web. If the activity is tracked then it is you that will be held responsible.

Sorry to preach doom and gloom but you realy DO need to install at least an antivirus software package ! There are loads of free packages - Try here http://www.cableforum.co.uk/board/showthread.php?t=6152

[cichlid]

I'm considering changing my nick to 'barebackonthenet'
Apprecaite all the advice on free AV and stuff but to be honest I will never install it on this machine. I may at some point sort out a firewall but not before I can sort out this issue with the connection. In my opinion AV software just gets in the way and wastes resources and I've never needed it excpet to sort out other peoples PCs although I wouldn't recommend this action to anyone else unless they know how to reclaim their machine without help. It's not impossible, ya just have to be carefull

[Ignition]

Originally Posted by cichlid

I'm considering changing my nick to 'barebackonthenet'
Apprecaite all the advice on free AV and stuff but to be honest I will never install it on this machine. I may at some point sort out a firewall but not before I can sort out this issue with the connection. In my opinion AV software just gets in the way and wastes resources and I've never needed it excpet to sort out other peoples PCs although I wouldn't recommend this action to anyone else unless they know how to reclaim their machine without help. It's not impossible, ya just have to be carefull

*strokes his hardware firewall and AV

[JonathanLH]

i do not run anti-virus or firewall either (admitadly since i got a router a while back to run more computers i have a hardware one anyway) as they just get in the way of things, and since i work in computers for a living for business consultancy (which ironically involves recommending firewalls and anti-virus) i like to think i know what i'm doing

[Stop It]

Originally Posted by cichlid

Having no firewall or AV software is not as big a problem as people may think. I've used a PC's without AV software for a couple of years and been ok (honetly, ya just have to be careful). Having a firewall only complicates things and only seems to be of benefit to people who are running services or who aren't that computer literate.
I would never be so reliant on my PC that any attack can be fixed in 10 minutes (reboot and insert Ghost image) or someone may see sensitive info (ok, theres a picture of my pet fish on the machine somewhere and maybe my Mums phone number). Really depends what you want your PC for though.
Ah well, looks like once again I've found another weird one that won't go away easily

I thought my pc was ok without AV for about 3 months after I got ntl cable, until everything started going slow....... I tried a free virus scanner and found no less than 53 virii (Ok only 7 seperate ones) on my pc, since then ive always kept a Firewall and Anti virus, they really use little system resources and are worth it, just in case, :P

[inthewildteam]

How about downloading Knoppix Linux, burning it to CD and booting into it from your bios settings and see if you still have the same problem with disconnects?

It runs from the CD without touching your Windoze settings, might be able to get a handle on the problem if both op systems suffer the same problem with lease expiry........ or not!

[cichlid]

ah Jonathan, I thought I was alone
I have Fedora Core on another partition but I couldn't run it for a few days to test as some of the software I use isn't available on Linux (they won't even consider a port). Besides, I seem to remeber when I signed up to ntl the person on the phone saying, "It is a Windows PC Sir isn't it?"
The DHCP renewal (I'm starting to think) might be a coincidence as the last time this happened I was sitting at the machine 11am with expiration of the next day.