10.4.6 Airport Broken ICMP

I just installed 10.4.6 and all of a sudden, I'm completely unable to ping any host outside of my subnet. I completely flushed the firewall rules, which didn't help. My routing table is fine and everything appears to work except ICMP.
Did 10.4.6 break ICMP?? I can ping hosts within my local subnet, but not outside. Every other system on the subnet, including the mini running 10.4.5 can ping outside with no problems, so the router is not the issue.
Anybody else experiencing these terrible ICMP issues?
Update 1: One more thing.. I'm using the airport extreme (en1) interface. It will be interesting to test the ethernet interface.
Update 2: Just tested the wired ethernet interface. ICMP is fine. This means that ICMP is broken for the airport interface.

Hi Adam,
Did 10.4.6 break ICMP??
I can do ICMP just fine from my AirPort network, several users are reporting AirPort troubles but most of them are DHCP-related. If ICMP was broken then most likely other protocols would be broken as well.
Did you update your AirPort software lately?
Try flushing the lookupd cache from the Terminal: lookupd -flushcache
Did you check your port mappings on your basestation (if you use one)?
Did you try to run a tcpdump on en1?
Macs running 9.x, Macs running 10.4.x and SGI workstations running Irix 6.5.x

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Is my airport broken? My wireless has stopped all of a sudden! No solution works!

hi, I need help please. After working fine for years my wireless connection on my desktop which is on snow leoperd 10.6.8 has stopped connecting all of a sudden. It works fine on my macbook pro and my iphone. When I turn it on I get none of your preffered networks available, I find my network and when I type in the password for my network I get connection timeout. In diagnostics I have.....
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I have tried loads of solutions from forums like....
deleting networks and creating a new one
changing channels and even tried deleting the system preference files from the library but still no joy.
I just want to ask for any other solutions before I have to take it 50 miles to the nearest 'genius centre' to get it looked at.
Could my airport be broken?

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
Also try this - Turn Off your iPad. Then turn Off the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
 Cheers, Tom

Is my airport broken?

I have a 2009 13" unibody MBP and yesterday it stopped being able to connect to my home network.
All the other computers in the house are fine connecting to the same network.
It says that airport is turned on, but it refuses to list the name of the home network on the list of available networks in network prefs.
I have tried everything I know and still no luck.
Is it possible that the airport is broken?
Can anyone please advise on what I might try to fix it?
Thanks

Hello,
Well, it's good news that you can see the BT hotspots. This means that there is no hardware-related problem. If your antenna sees one, it sees all the others.
I would definitely suggest you to use WPA2-PSK AES encryption instead of the MAC address filtering. It is much easier to use, and just as secure. Alternatively you can disable SSID broadcasting to hide your WiFi from others.
I know that all the other computers can connect to your router via WiFi, but these things happen, and usually the router is guilty, so you should still give it a try. If you can connect to your router with MAC address filtering turned off, then the problem is with your router. Try reseting it. To do this:
1. Unplug the power supply.
2. Press and hold the reset button on the bottom of the router.
3. Keeping the reset button pressed, plug the router back in.
4. Keep the reset button pressed for at least 10 more seconds.
5. Release the reset button.
Don't forget that reseting your router means, that it will forget all of its setting including the internet connection info. It is wise to have your internet contract at hands before starting as you will need the connection login credentials.
After reset, you can set your router again as you like, but again, I suggest WPA2-PSK AES.
IMPORTANT: never leave your WiFi unprotected longer than necessary. If turning the MAC address filtering off solves the problem, then you should set up some kind of encryption.
If you still cannot connect with MAC address filtering turned off, the the problem is in the MacBook. Try software update.
If your software is up to date, you should check a couple of settings. Check if your DHCP settings are OK. Go to: System Preferences>Network select AirPort on the left, and click 'Advanced...'. Click the TCP/IP tab. The 'Configure IPv4' should be set to 'Using DHCP' and 'Configure IPv6' to 'Automatically'.
If none of the above helps, than I have just insane ideas left. I will explain those if your problem is still not solved after these.
Regards,
Gábor

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If I use "Assist me..." I can select the network, but it tells me the password is wrong, even though I can copy it straight of the router's WEP settings.
Wireless card firmware version is 404.2
The router is a Netgear DG834G, firmware version V1.05.00
Anyone have the same problem or have any idea what might be the problem?

Update:
It now connects, but drops out after a while. I changed nothing, the only discernable difference is that there are no other networks detected now (I live in an apartment and can frequently pick up several).
Maybe the re-authrntication with lots of interference was what did it.

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Hello.
I recently recieved an iBook G4 12-inch 1.33GHZ (2005) from a family member. Today, I turned it on. Tried to connect to my wifi but got a kernel panic. They were aware of this problem and that is why they were getting rid of it. I reinstalled OS X 10.4.2 with the original install discs, but the wifi still gave me a kernel panic. I put it to sleep once, then woke it. I put it to sleep again, but then it simply would not wake up. I rebooted from the Install DVD and reinstalled OS X... again! This time it would not reboot from the hard drive- it only worked when I inserted the install DVD and selected the hard drive as the startup disc. Now, I rebooted it. I hear the sound, CPU, and CD drive, but no hard drive noise. I have had this issue a lot when trying to get it going. I did some research and the AirPort card can be problematic with this model. I am fine with using a USB dongle for wifi, but I want my computer to reliably start up when I want it to! So, what should I do when I turn on my iBook and the hard drive does not start and AirPort crashes the computer?
Thanks,
Rmich1731

Someone familiar with reading & understanding the Kernel Panic logs, could probably be able
to connect the cause to the Wi-Fi card. In the iBook G4 12-inch 1.33GHz + 14-inch 1.42GHz
models the card also supplies Bluetooth as well as 801.11 wireless frequencies.
•Technical Note TN2063: Understanding and Debugging Kernel Panics:
https://developer.apple.com/library/mac/technotes/tn2063/_index.html
•Mac OS X: How to log a kernel panic - Apple Support
•Resolving Kernel Panics - troubleshooting:
http://www.thexlab.com/faqs/kernelpanics.html#Anchor-Troubleshooting-49575
This card was noted to be a cause of kernel panic and some users were able to disconnect
the card, then use a USB wireless adapter (when available, years ago, USB2) for wi-fi.
So the cause of the Panic is probably the hardware related issue some of these get.
{A company such as wegenermedia.com or powerbookmedic could probably perform
some repairs. While in the shop, other upgrade or repair could be done for little extra
labor costs, since computer would be apart on the bench. These can use an upgrade
to SSD such as legacy OWC ATA version, & replace HDD, to speed things along.}
Back to the kernel panic...
The repair requires a take-apart since this wireless card is essentially on the bottom
of the logic board held there by a small screw or two, & it has a tiny connector there.
With that carefully detached, the computer should no longer kernel panic. It also would
have no built-in wireless support for BT or wi-fi.
Good luck & happy computing!

Airport broken by latest update

Hi,
A few hours ago I installed the recent airport update pushed out by Apple.
Now my late 2008 Macbook Pro wont stay connected to my 1TB timecapsule and appears to "hang". Prior to the update everything was fine.
At first I suspected the timecapsule but other devices remain connected to it fine and testing after a backup failed showed that my iPhone could connect to the timecapsule and browse without any problem.
To further test the issue I connected the MBP to the timecapsule by an ethernet cable. Everything is fine again without restarting either the aiport utility or the timecapsule.
Leaving the timecapsule connected via ethernet my backups work fine. If I try and use wireless again however it times out after a few minutes.
As mentioned before there was no issue prior to the update. My Aiport utility shows version 5.4.1.
Is there a way to roll back this update?
Cj

My Mac Mini G4 stopped connecting to my Time Capsule after the most recent update.
How I wish I had not updated after all. I use my Mac Mini as a home theater system and buy movies and shows from iTunes. Guess I'll be using my cable's on demand for a while instead.
Details:
Mac Mini G4 1.5 ghz.
Leopard - latest update.
Two other Mac laptops haven no problems whatsoever:
Macbook Pro 2.4ghz
Macook (original white, slow)
The Macbook is in the room almost next to the Time Capsule. No issues.
The Macbook Pro is in the room above, no issues.
Signal strength is very strong.
The Mac Mini -- it has trouble connecting to the network.
It is in the room next to the Time Capsule. It is under the TV in a media cabinet.
Two external considerations may play a part: heat and bad grounding.
In the cabinet is a Wii and the digital cable receiver. Both get hot, as well as the Mac Mini and it's external hard drive.
Also, the downstairs has problems with electrical line noise, possibly due to poor grounding somewhere. I have been unable to fully isolate this issue, and the electricians who the landlord's management company have sent have seemed to not care (or just don't know what grounding is, but I'll give them that benefit of a doubt).
I am a bit concerned the feedback is slowly destroying my electronics, but I've been running that risk.
Both the Mac Mini and Time Capsule are on lines with this noise.
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The Mac Mini had no problems before the update.
I will try removing it from the cabinet and trying it that way later.
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The only change made was the recent Mac Mini update. (Which, btw, the Macbook Pro at least has made as well, yet is still working.)
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Sincerely,
John

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After spending about 4 hours on the phone with Apple (2 calls), Apple's solution was to toss the AEBS and run a hard line to my work space. Unbelievable.

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I have an airport express that I connect with an Ethernet wire to my wifi network base station to be able to extend the wifi to other areas of the house. It used to work perfectly and I had the green light on it for days and days on, in fact it never quit it could be on for weeks.
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Now it works for a while, an hour or so, and then the light goes out completely (no orange light, just no light) and there is no longer any wifi communication.
Unfortunately, this is a sign that you are likely going to need to replace this Express.
Here is what I think is happening based on experience with these devices:
The internal components on the Express heat up significantly and after an hour or so, the heat build up is causing a weak electronic component to change in value, or heat expansion is causing a loss of an electrical connection at a tiny solder joint.
When the device cools down, it will work again for awhile, but the same pattern will likely repeat. Internal repairs on the Express are not really feasible since the labor costs will likely exceed the cost of a new Express.
If you are really handy with small electronic repairs and you have the time, you could carefully saw the case open along the center seam to open up the Express and take a look at connections and solder points. It 's unlikely that you will find something obvious, but might be worth a shot.

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I have an existing wireless network consisting of a D-Link DGL-4500 router running a mixed 802.11g and 802.11n network. Everything has been working fine for ages. I just bought an Airport Express in order to stream iTunes to my receiver. I plug in the Airport, and get a blinking amber light. I fire up the Airport Utility app on my iPhone, and right away it sees the Airport. I configure the Airport for my network, and . . . nothing. Blinking amber light. The Airport Utility now cannot find the Airport, and eventually gives up with an error. I check the logs on the router, and I see no evidence that the Airport has tried to connect to the router (I can't find the MAC anywhere in the logs).
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Bob:
Thanks for the reply. My understanding is that the iPhone Airport Utility app passes on the network settings to the Airport. Since the iPhone connects successfully to the router and can access the internet (and therefore presumably "knows" the network), I would think that it is providing the proper information to the Airport.
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Hi everyone,
I'm pulling my hair out over this problem. I have a 50/5 cable connection which deteriorates in an unacceptable manner as soon as I connect to the web wirelessly using my almost brand new Airport Extreme Base station (bought this August). I have an Ubee EVM 3200 cable modem, and as long as I plug my laptop directly into it, I get the advertised speeds and pings at around 20 ms. However, as soon as I involve my Airport Extreme, everything falls apart: my downstream drops to about 25Mbits (sometimes lower) and my ping goes up to 40-50 ms. Upload speeds remain intact, for some reason.
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The picture did not load, but I assume that it displays the signal strength of about 68% that you mention. Are there other networks displayed as well?
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Your AirPort Extreme radiates a signal primarily in an upward spherical pattern from the device...360% degrees, so the signal goes all over the place like an expanding balloon. Some of the signal is absorbed by any close obstructions...a wall, ceiling, cabinet, etc. This cannot be avoided.
A reading of 68% represents a very strong signal. If you think about it, it would be impossible for the computer to receive 100% of the signal that is radiated when a third of it, on average, is absorbed by any nearby obstructions.
But there is more, and it can get complicated. You need to use the Inspector feature (Edit menu) of iStumbler to calculate a much more important measurement than signal strength alone. You need to calculate the Signal to Noise Ratio, or SNR. This is the most useful measurement that you can use to evaluate the quality of a wireless signal. Post back if you want to work through this.

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< Edited by Host >

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