No internet access via router

Hi
After installing a Microsoft critical update late night my PC is still connected to my BT Infinity router but I can't get internet access (I'm able to log into a BT hotspot however). I've tried eveyting I know (rebooting etc) but nothing to seems to work. I've also tried system restore but it won't let me go back. Before I try the refresh option has anyone any other ideas?
Cheers

The last crical update from microsoft was for an IE fix so maybe try another browser
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I am using a verizion jetpack to wireless connect to an airport express next i want to connect a Airport extreme wired from toe express to create a second private network that has internet access via the jetpack

Thanks for the help after looking over your sugesstion I did some additional troubleshooting which i should have done in the beginning and heres what i found
Airport express is joined to and existing wireless network and i have internet access....all good
I set up my Airport Extreme as follows:
                    Connect using :ethernet
              Ethernet Wan Port : automatic
              Connetion Sharing : Share a public IP address
Tcpip      Configue IPv4: Using DHCP
DHCP                   Begin address: 172.16.22.200
                           Ending address: 172.16.22.254
Wireless    Create a wireless network
                         Wireless network name Test1
                          wpa2 security
This is needed due to set ip address of device on this private network did not address NAT
Conneted Express ethernet port to Extreme wan port
All wired devices have internet access and i get a double nat status which ignore
however my wireless device will not connect.... sometimes they will they want
any suggestions

Here are sceeen shots of the Express

I recently purchased the Apple Airport Extreme Base Station so that I can have wireless, my question is: so I need anything else so that my guests can have internet access via my router?

Hello Anyone and Everyone who can answer my question,
I would like to be able to offer wireless access to the internet for my guest's who use my apartment above my garage that is about 75 feet away from my house/computer. I have a MacBook Pro and have satellite internet service through an ehternet connection. I recently purchased an Apple Extreme Base Station with simultanious Dual-Band (MC34OLL/A), that is in the process of being shipped as I type, and am wondering if I need anything else to install in the apartment for the wireless to work with the Apple Extreme Base Station? Thank you for any help in this matter.
Sincerely,
Lizzy

In AirPort Utility, enable the guest network by selecting your Extreme, then the Edit button, then the Wireless tab, then check the box for "Enable Guest Network":

No internet access via ethernet port

Hi, have been using my emac via ethernet cable to router, for many months with NO problem accessing internet and others cabled to same router also having no problem and I have used my Pwr Mac wtih no problem and have never had to make any specific settings to either to access the net via the router which gets its wifi signal from elsewhere. With system preferences > network > ethernet open I can see the the router is being recognized cause it appears or dissappears as soon as I plug or unlug the ethernet cable. I open "Activity Monitor" and occasionally, very briefly, there will be data incoming( green spikes ) or outgoing( red spikes ). HD verified OK, ran disk permnissions and scripts. Have not yet run Apple or other( Micro-mat ) hardware testing programs tho I will later. Does anyone know if there is a PLIST file that can get corrupted that would affect ethernet port functioning properly? My guess it is hardware but since I can see the router is recognized makes me wonder about corrupt file ergo a system error or possibly inloaded some file that caused conflict. I also booted from my external drive and tried accessing from the cloned OS system and still did not work. The cloned system is the original has never been updated, nor has any of the applications in clone, so, if it was "system" problem the clone should have worked. However, I had cloned user ergo newest documents, library etc, so that would be the only possible source of conflicts when booted from clone system....Thx Ran

Ping test should be interesting.
Start by pinging router address. Should be able to ping building router if you can figure out it's address.
Could you go wireless to building net? You might buy a usb dongle.
USB dongle
Introducting RokIt, a new wireless USB adapter that is compatible with Mac OS 10.3, 10.4, and 10.5 Leopard.
http://rokland.com/store/productinfo.php?productsid=319
Newer Technology MAXPower 802.11n/g/b USB Adapter. The easiest way to add Wireless Connectivity to ANY computer! 2 Year Warranty.
http://eshop.macsales.com/item/Newer%20Technology/MXP802NU2C/
There are usb to ethernet cable.
You could try another browser.
*MAC Address*
Every ethernet port has a unique MAC Address. A router can block on a MAC Address. That is why I suggest you check out your router.
Note MAC is not Mac. MAC is all upper case.
definition: http://en.wikipedia.org/wiki/Mac_address
*Ethernet port hardware*
I'd say this was some kind of strange hardware problem.
*Dns problem?*
It has symptoms of a DNS problem. The little traffic is a symptom of the problem. You said all the numbers were the same, however.
Verify DNS
apple > system preferences > network
Double click on network connection you are using.
Pick the TCP/IP tab.
Verify that you have a DNS Server. If you do not, look on your windows machine and see what the net address is. You can also pick using DHCF and still enter you DNS server address.
You can use
harddrive > applications > utilities > network utility
to diagnose the situation.
You can ping google.com. Result:
Ping has started ...
PING google.com (64.233.167.99): 56 data bytes
64 bytes from 64.233.167.99: icmp_seq=0 ttl=244 time=215.362 ms
64 bytes from 64.233.167.99: icmp_seq=1 ttl=244 time=279.597 ms
64 bytes from 64.233.167.99: icmp_seq=2 ttl=244 time=189.747 ms
64 bytes from 64.233.167.99: icmp_seq=3 ttl=244 time=250.657 ms
64 bytes from 64.233.167.99: icmp_seq=4 ttl=244 time=183.232 ms
64 bytes from 64.233.167.99: icmp_seq=5 ttl=244 time=243.753 ms
64 bytes from 64.233.167.99: icmp_seq=6 ttl=244 time=173.108 ms
64 bytes from 64.233.167.99: icmp_seq=7 ttl=244 time=230.239 ms
64 bytes from 64.233.167.99: icmp_seq=8 ttl=244 time=180.639 ms
64 bytes from 64.233.167.99: icmp_seq=9 ttl=244 time=232.177 ms
--- google.com ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max/stddev = 173.108/217.851/279.597/33.615 ms
If that does work, try pinging 64.233.167.99 Result:
Ping has started ...
PING 64.233.167.99 (64.233.167.99): 56 data bytes
64 bytes from 64.233.167.99: icmp_seq=0 ttl=244 time=189.655 ms
64 bytes from 64.233.167.99: icmp_seq=1 ttl=244 time=213.471 ms
64 bytes from 64.233.167.99: icmp_seq=2 ttl=244 time=257.873 ms
64 bytes from 64.233.167.99: icmp_seq=3 ttl=244 time=172.745 ms
64 bytes from 64.233.167.99: icmp_seq=4 ttl=244 time=226.723 ms
64 bytes from 64.233.167.99: icmp_seq=5 ttl=244 time=171.883 ms
64 bytes from 64.233.167.99: icmp_seq=6 ttl=244 time=260.308 ms
64 bytes from 64.233.167.99: icmp_seq=7 ttl=244 time=172.963 ms
64 bytes from 64.233.167.99: icmp_seq=8 ttl=244 time=198.840 ms
64 bytes from 64.233.167.99: icmp_seq=9 ttl=244 time=181.215 ms
--- 64.233.167.99 ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max/stddev = 171.883/204.568/260.308/32.247 ms
If pinging 17.254.3.183 works but pinging Google.com doesn't. You have a bad DNS Server address.
BDAqua suggests in a post.
You can use OpenDNS for looking up web addresses.
Put these numbers in Network>TCP/IP>DNS Servers for a try...
208.67.222.222
208.67.220.220
I think they now pretend you need to join to use, but you don't.
https://www.opendns.com/homenetwork/start/device/apple-osx-tiger
(Please note that you do not need to a joint Open DNS to use it.)
http://discussions.apple.com/message.jspa?messageID=5908432#5908432
Google provides free dns lookup too. There numbers are:
8.8.8.8
8.8.4.4
Robert
=======================================================
I suggest that you try pinging Google.com.
Macintosh-HD -> Applications -> Utilities -> Terminal
mac $ ping -c4 google.com
PING google.com (64.233.187.99): 56 data bytes
64 bytes from 64.233.187.99: icmp_seq=0 ttl=245 time=177.617 ms
64 bytes from 64.233.187.99: icmp_seq=1 ttl=245 time=251.899 ms
64 bytes from 64.233.187.99: icmp_seq=2 ttl=245 time=169.291 ms
64 bytes from 64.233.187.99: icmp_seq=3 ttl=245 time=250.119 ms
--- google.com ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 169.291/212.232/251.899/38.894 ms
mac $ ping -c4 64.233.187.99
PING 64.233.187.99 (64.233.187.99): 56 data bytes
64 bytes from 64.233.187.99: icmp_seq=0 ttl=245 time=176.723 ms
64 bytes from 64.233.187.99: icmp_seq=1 ttl=245 time=247.889 ms
64 bytes from 64.233.187.99: icmp_seq=2 ttl=245 time=176.890 ms
64 bytes from 64.233.187.99: icmp_seq=3 ttl=245 time=244.623 ms
--- 64.233.187.99 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 176.723/211.531/247.889/34.744 ms
mac $
Analysis: If you cannot ping Goolge.com but you can ping 64.233.187.99, then you need to enter you dns address. For some reason Mac OS X sometimes doesn't set the dns. You can set it manually.
apple > system preferences > network
tcp/ip tab and enter address of dns servers
example 162.33.160.100
You will need to use a different number.
PS.
You are a little short on stating results. You state what you did, but I have to guess the result.
Did: X
Result: Y
Did:
1) Power Book's ethernet cable plugged into router port 5. Working to yahoo.com.
2) Unplugged power book's ethernet cable from router
3) Plugged eMac's ethernet cable into port 5.
Result: eMac using Firefox was not able to access yahoo.com
Robert

Internet access via hairpinning for Spoke to Hub IPSec VPN

I have a hub and spoke configuration with a number of site-to-site IPsec VPNs from 857's terminating on an 1811 at the hub. Also in the mix is a client-to-site (EZVPN) which also terminates at the hub.
I need to ensure all traffic destined for the internet goes out through the hub 1811. I've looked at trying to use a form of hairpinning so that "interesting traffic" from remote sites gets NATted at the hub router to the internet.
I have seen a number of configurations (in these forums) where internet-directed traffic from EZVPN clients is forced via a hairpin out via the hub router. I am trying to emulate that feature with the site-to-site IPSec VPNs - where internet directed traffic from spokes must go through the hub router, and not be permitted to go directly to the internet from the spoke routers.
Attached are configs for the hub router and one of the spoke routers, and a pdf diagram.
I can get traffic to the internet (in my test lab) from the lookback connector (1.1.1.1) by extended command pings, I have connectivity from the spoke1 lan to the hub lan (pings again); but not from the spoke1 lan to the internet via the hub router.
Thanks in advance for any help
Phil

Thanks, guys. Yes, those two access lists did need some attention.
I've changed the access list on the spoke router from
access-list 120 permit ip 192.168.8.0 0.0.0.255 192.168.0.0 0.0.255.255
to
access-list 120 permit ip 192.168.8.0 0.0.0.255 any
which allows traffic from the spoke lan out to the internet via the hub router. I've also taken NAT off the spoke router.
But I also need to change the matching access list on the hub router. I changed the old access list from
access-list 121 permit ip 192.168.0.0 0.0.255.255 192.168.8.0 0.0.0.255
to
access-list 121 permit ip any 192.168.8.0 0.0.0.255
but I couldn't pass any traffic over the VPN. If I remove access-list 121 completely, then traffic does pass, but the crypto map on the hub router becomes "incomplete".
When the tunnel is up, and passing traffic, I can ping an internet address (in my lab), but not all traffic is getting through. Every second ping times out, often there are 3 or 4 pings that time out.
Any suggestions as to what to do with the access list (121) on the hub router, and what can I do to get more reliable results (i.e. get every ping to work)?
TIA
Phil

Not able to get internet access via wireless

When connected via hardwired or sprint pcs card and am able to access internet with not issues. When connected via airport I cannot. When checking the settings of airport everything looks correct (ip, router, netmask, etc.). Went to Apple store they played with the laptop and it started working, they made no changes they said. Got home with laptop and again no internet. My Windows based laptops/pc are able to use the same wireless access point and access the internet with out issue.
Is there away to reset airport? or some mac tools to help identify the issue?

Robert Jenkin wrote:
Is there away to reset airport? or some mac tools to help identify the issue?
You might try resetting your connection settings using the steps listed in this message:
http://discussions.apple.com/thread.jspa?messageID=10695921&start=1
They're not guaranteed to solve the problem, but they'll only take you a minute or so to try.

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That would be the issue.
The simplest fix would be to use the wireless on the Netgear for "guests".
Next option would be to ask your provider if they can supply you with a simple modem.....not a modem/router or gateway type of device.
After that.....not recommended.....you could try a different setting on the Time Capsule which would produce an error called Double NAT on the network....that may or may not allow things to work and create other problems as well.

No internet access via WiFi!

Hi there!
I used to be connected PPoE for years to the internet via the classical way: Mac mini 2009 --> Ethernet cable --> Router (Thomson ST780)
If I suppress the Ethernet cable, why am I unable to connect to the internet using Airport and the WiFi Network I set up on my router?
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That solved my problem!
The IP was wrong, also:
there wasn't a router and DNS set.
Thanks, LaPastenague!

Single Sign On (SSO) Internet Access via ASA

Good Afternoon,
I'm looking for a way for users to authenticate through the ASA to determine whether or not they are granted access to the Internet. I would like to provide two separate Active Directory groups, for example, GRP-NO-INTERNET and GRP-INTERNET. When a user accesses the Internet I would like the firewall to obtain a SSO credential and query AD to see if they have access or not and respond accordingly.
I'm currently working with TAC to investigate the possibility of using DAP but was curious if others have successfully tested this or what other options may be available. The end result would be to eliminate the credentials prompt by the firewall and have the authentication done in the background (somehow) without user interaction.
Thanks in advance to anyone's suggestions.
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Actually, it should be possible starting ASA 8.4.2. You will have to configure an AD Agent on Windows. Please see the following link
http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/access_idfw.html
Please rate if it helps. Kind regards

No internet access via router

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