DHCP problems V24 RC1

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jsmiddleton4
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Joined: 18 Mar 2007
Posts: 444

PostPosted: Tue Aug 28, 2007 0:22    Post subject: DHCP problems V24 RC1 Reply with quote
This is getting mingled into another thread so I wanted to pull it out as a topic.

I have Buffalo HP54G. Have several IP's reserved/assigned but using DHCP/DNS Masq/etc. Just tried logging on a new laptop via regular DHCP, it does not have an assigned IP. There are enough free IP's available. It would not get an IP address.

Have gone back to V23 SP3 6/20 release. Worked perfectly.

Also I am using WPA Personal, TKIP+AES.

_________________
Jim
Netgear R7000
Kong's 24800M OC to 1200,800
Previously:
Asus RT-N66U
Linksys E3000
Linksys WRT54GS Version 2.1
Buffalo WHR-HP-G54
Linksys WRT54G Version 1.1
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jsmiddleton4
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Joined: 18 Mar 2007
Posts: 444

PostPosted: Tue Aug 28, 2007 3:37    Post subject: Reply with quote
If I enter a new wireless client in the reserved/static ip fields, I get an IP address just fine. But if I have a mix of static/reserved ip addresses and then one client that uses DHCP the good old fashion way, that client does not get an IP. It finds the wireless router/ssid/etc. It just won't get an IP from the router.

Hard to call them static IP's, as they aren't static, they are reserved dhcp addresses.

The clients are getting IP from the router.

_________________
Jim
Netgear R7000
Kong's 24800M OC to 1200,800
Previously:
Asus RT-N66U
Linksys E3000
Linksys WRT54GS Version 2.1
Buffalo WHR-HP-G54
Linksys WRT54G Version 1.1
nskim
DD-WRT User


Joined: 20 Apr 2007
Posts: 279

PostPosted: Tue Aug 28, 2007 3:51    Post subject: Reply with quote
Have you cleared up the arp table?
canis
DD-WRT User


Joined: 08 Jun 2006
Posts: 264
Location: Germany

PostPosted: Tue Aug 28, 2007 3:58    Post subject: Reply with quote
Wasted 5 hours with it, trying to run a repeater on a WRT54G V2.0. No way!
...
robert-e
DD-WRT User


Joined: 19 Feb 2007
Posts: 227

PostPosted: Tue Aug 28, 2007 4:52    Post subject: Reply with quote
canis; working just fine here; no setup problems; in fact no problems with V24 since last fall. Screen shot attached. You may want to hard reset and try again. Hard reset is important.
Regards,
Bob



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jsmiddleton4
DD-WRT User


Joined: 18 Mar 2007
Posts: 444

PostPosted: Tue Aug 28, 2007 13:40    Post subject: Reply with quote
Yes, cleared ARP cache, etc. The laptop doing dhcp would not get an IP from the router no matter what I did. Reflashed to V23 SP3 6/20 and touched nothing and the laptop synched up with the wireless network and got an IP in a few seconds.

Went back to V24 RC1 just to play and as noted the only way the one laptop would get an IP is to add its MAC and name and an IP address to my list of static IP's. If I did that the laptop was assigned an IP, the one I reserved, quickly with V24 RC1.

As long as I left the one laptop as a regular DHCP, no reserved static IP, it would not get an IP. It found the network, tried to get an IP, etc., just would not do so.

Had WPA Personal on both V24 RC1 and V23 SP3 6/20.

I have several static IP's and while to be thorough I should blast them all and reset the router and see if it works then. But it would take some time to reenter all my static IP's. And since it works without touching it with 6/20, I'm thinking this is in part what Anectine is talking about with DHCP and V24.

_________________
Jim
Netgear R7000
Kong's 24800M OC to 1200,800
Previously:
Asus RT-N66U
Linksys E3000
Linksys WRT54GS Version 2.1
Buffalo WHR-HP-G54
Linksys WRT54G Version 1.1
canis
DD-WRT User


Joined: 08 Jun 2006
Posts: 264
Location: Germany

PostPosted: Thu Aug 30, 2007 20:23    Post subject: Reply with quote
Thanks for advises, had been very helpfull.
I tried this again on a Linksys WRT54G V3.1 and it worked at first try, bit NOT on the Linksys WRT54G V2.0 unit !
Seems to an additional bug in the (so called) compatibility.
Next try with OpenWRT ran on the Linksys WRT54G V2.0 better, and is claimed to be the solution for this purpose.
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