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User profile for user: acushle
acushle Author
User level: Level 1
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Airport Express shows green light but NO Internet

I am using a Macbook Pro and an Airport Express for my Wi-Fi.


I have recently changed my Internet Service Provider. The new ISP provided me with the following information:


1.IP address: 172.100.11.17

2. Subnet mask: 255.255.255.0

3. Default Gateway:172.100.11.1

4. Preferred DNS: 172.16.0.1

5. Alternate DNS: 8.8.8.8


My ISP told me to enter this information manually unlike my previous ISP who used DHCP.


I entered this information by going to system preferences >> Network >> Advanced >> TCP/IP >> Configure IPv4: Using Manually. I also entered the preferred and alternate DNS information under DNS servers in DNS tab.


I applied these settings and the airport express shows solid green light but gives NO access to internet.

I have also tried connecting the Ethernet cable directly to the computer, which also shows connected but gives NO access to Internet.


I borrowed another router from my friend (not apple) and entered the same settings given by my new ISP and boom !!! I got connected to the internet only through wirelessly BUT no connection again using the ethernet.


So I am facing the following problem in Mac OS X (10.7.5)


using


Airport Express: NO internet

Ethernet: NO internet


Other Router(non-apple): Internet works using Wi-fi

Ethernet: NO internet



I do not know if something is blocking the connection or what is happening. I have created new locations (under network) and deleted the old existing one's but nothing seems to help. I also did a hard reset of my Airport Express but nothing seems to help.


Please help me !!!

MacBook Pro (13-inch Early 2011), Mac OS X (10.7.5), Airport Express

Posted on Feb 22, 2013 10:57 PM

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8 replies
User profile for user: Tesserax
Tesserax
User level: Level 10
148,447 points

Feb 23, 2013 1:51 AM in response to acushle

My ISP told me to enter this information manually unlike my previous ISP who used DHCP.


I entered this information by going to system preferences >> Network >> Advanced >> TCP/IP >> Configure IPv4: Using Manually. I also entered the preferred and alternate DNS information under DNS servers in DNS tab.

Where you need to enter the ISP-provided settings is via the AirPort Utility for your AirPort Express Base Station (AX); not on your Mac. Your Mac should still be configured with the Using DHCP option.

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User profile for user: Tesserax
Tesserax
User level: Level 10
148,447 points

Feb 23, 2013 10:30 AM in response to acushle

Unless you are planning on keeping your MBP connected directly to the Internet modem, you do NOT want to set the ISP-provided static Public IP address to the Mac.


If you plan is to connect the AX directly to this modem via Ethernet, and then, connect the MBP to the AX by wireless, then you need to set these static IP addresses on the AX using the AirPort Utility.


Using AirPort Utility v5.x:

  • AirPort Utility > Select the AX > Manual Setup
  • Internet > TCP/IP tab
  • Enter the ISP-provided IP addresses into the appropriate fields.
  • Click on Update to write the new information to the AX and allow the base station to restart.

Using AirPort Utility v6.x:

  • AirPort Utility > Select the AX > Edit
  • Internet tab > Connect Using: Static
  • Enter the ISP-provided IP addresses into the appropriate fields.
  • Click on Update to write the new information to the AX and allow the base station to restart.
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User profile for user: acushle
acushle Author
User level: Level 1
0 points

Feb 23, 2013 9:26 PM in response to Tesserax

I am using a Macbook Pro and an Airport Express for my Wi-Fi.


I have recently changed my Internet Service Provider. The new ISP provided me with the following information:


1.IP address: 172.100.11.17

2. Subnet mask: 255.255.255.0

3. Default Gateway:172.100.11.1

4. Preferred DNS: 172.16.0.1

5. Alternate DNS: 8.8.8.8


I am able to connect to the internet now directly using ethernet cable but my airport express wouldn't let me connect.


I must be doing something wrong with entering settings in Airport Express. The ISP technician is as clueless as me and had even did some changes under Wi-Fi in the network section on my macbook pro. I dont know if it is causing these problems. I have a few questions, please help.


Q1. While entering the ISP provided details using Airport Utility, which of these should I choose: A. Static B. DHCP C. PPPoE ?


Q2. Should my MAC address in the Airport Utility be set to configure manually or automatically ?


Q3. What should be my Wi-Fi settings in my computer ?. I mean in system preferences under network, should my TCP/IP set as DHCP or manually ? Under hardware tab, there is an option to select MAC address as either Automatically or Manually. What should it be ?


Please Help !!!

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User profile for user: Tesserax
Tesserax
User level: Level 10
148,447 points

Feb 24, 2013 1:03 PM in response to acushle

Q1. While entering the ISP provided details using Airport Utility, which of these should I choose: A. Static B. DHCP C. PPPoE ?

A. Static


Q2. Should my MAC address in the Airport Utility be set to configure manually or automatically ?

Automatically.


Q3. What should be my Wi-Fi settings in my computer ?. I mean in system preferences under network, should my TCP/IP set as DHCP or manually ?

DHCP


Under hardware tab, there is an option to select MAC address as either Automatically or Manually. What should it be ?

Automatically.

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User profile for user: acushle
acushle Author
User level: Level 1
0 points

Feb 25, 2013 3:43 AM in response to Tesserax

My Airport Express shows solid green light and it stays that way but the internet icon (the globe symbol) light in the airport utility turns amber to green and then to amber and this repeats continuosly. ..I checked for ping in the network utility and here are the results:



Ping has started…



PING 172.16.0.1 (172.16.0.1): 56 data bytes

Request timeout for icmp_seq 0

64 bytes from 172.16.0.1: icmp_seq=1 ttl=62 time=21.281 ms

64 bytes from 172.16.0.1: icmp_seq=2 ttl=62 time=2.659 ms

64 bytes from 172.16.0.1: icmp_seq=3 ttl=62 time=5.174 ms

Request timeout for icmp_seq 4

64 bytes from 172.16.0.1: icmp_seq=5 ttl=62 time=1.658 ms

Request timeout for icmp_seq 6

Request timeout for icmp_seq 7

Request timeout for icmp_seq 8



--- 172.16.0.1 ping statistics ---

10 packets transmitted, 4 packets received, 60.0% packet loss

round-trip min/avg/max/stddev = 1.658/7.693/21.281/7.949 ms



I can access the internet perfectly when connected directly through ethernet cable but with AE, I get no wi-fi. My internet connection does not require a modem and hence there is no other device between ethernet cable and the AX.


What could be the problem ? Please help !!!

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Airport Express shows green light but NO Internet

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