Connecting to wifi router through wifi disables/breaks ethernet connections
I have a 2018 MacBook Pro and a TP-link wifi router (C3200US). When I connect with any other device in the house by wifi - everything works. Including a 2013 MBP, 2017 MBP and 2016 MB Air + tablets and phones.
When I connect via ethernet from my 2018 MBP, it works fine, When I switch on wifi for the 2018 MBP and connect to the wifi router, ALL ethernet connections are disabled - so no other device can connect and of course I lose my connection to my cable modem and so no internet.
Any ideas what is causing this? I've reset the router - no luck. Also, Apple repaired, then replaced the first 2018 MBP that had this issue - and the replacement - a brand new one shosw the same issue.
Next ideas are:- generate a new MAC address for the MBP, or try turning off the Wifi on the router and use a separate access point to provide the wifi for the house.
wireless-networking router macbook-pro
asked Jan 31 at 15:45
joejoe
23515
add a comment |
I have a 2018 MacBook Pro and a TP-link wifi router (C3200US). When I connect with any other device in the house by wifi - everything works. Including a 2013 MBP, 2017 MBP and 2016 MB Air + tablets and phones.
When I connect via ethernet from my 2018 MBP, it works fine, When I switch on wifi for the 2018 MBP and connect to the wifi router, ALL ethernet connections are disabled - so no other device can connect and of course I lose my connection to my cable modem and so no internet.
Any ideas what is causing this? I've reset the router - no luck. Also, Apple repaired, then replaced the first 2018 MBP that had this issue - and the replacement - a brand new one shosw the same issue.
Next ideas are:- generate a new MAC address for the MBP, or try turning off the Wifi on the router and use a separate access point to provide the wifi for the house.
wireless-networking router macbook-pro
asked Jan 31 at 15:45
joejoe
23515
Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
1
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
Can you edit your question to include the output ofifconfigon your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?
– Spiff
Feb 1 at 3:12
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25
add a comment |
I have a 2018 MacBook Pro and a TP-link wifi router (C3200US). When I connect with any other device in the house by wifi - everything works. Including a 2013 MBP, 2017 MBP and 2016 MB Air + tablets and phones.
When I connect via ethernet from my 2018 MBP, it works fine, When I switch on wifi for the 2018 MBP and connect to the wifi router, ALL ethernet connections are disabled - so no other device can connect and of course I lose my connection to my cable modem and so no internet.
Any ideas what is causing this? I've reset the router - no luck. Also, Apple repaired, then replaced the first 2018 MBP that had this issue - and the replacement - a brand new one shosw the same issue.
Next ideas are:- generate a new MAC address for the MBP, or try turning off the Wifi on the router and use a separate access point to provide the wifi for the house.
wireless-networking router macbook-pro
asked Jan 31 at 15:45
joejoe
23515
I have a 2018 MacBook Pro and a TP-link wifi router (C3200US). When I connect with any other device in the house by wifi - everything works. Including a 2013 MBP, 2017 MBP and 2016 MB Air + tablets and phones.
When I connect via ethernet from my 2018 MBP, it works fine, When I switch on wifi for the 2018 MBP and connect to the wifi router, ALL ethernet connections are disabled - so no other device can connect and of course I lose my connection to my cable modem and so no internet.
Any ideas what is causing this? I've reset the router - no luck. Also, Apple repaired, then replaced the first 2018 MBP that had this issue - and the replacement - a brand new one shosw the same issue.
Next ideas are:- generate a new MAC address for the MBP, or try turning off the Wifi on the router and use a separate access point to provide the wifi for the house.
wireless-networking router macbook-pro
wireless-networking router macbook-pro
asked Jan 31 at 15:45
joejoe
23515
asked Jan 31 at 15:45
joejoe
23515
edited Jan 31 at 15:54
joe
asked Jan 31 at 15:45
joejoe
23515
asked Jan 31 at 15:45
joejoe
23515
asked Jan 31 at 15:45
joejoe
23515
23515
Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
1
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
Can you edit your question to include the output ofifconfigon your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?
– Spiff
Feb 1 at 3:12
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25
add a comment |
Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
1
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
Can you edit your question to include the output ofifconfigon your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?
– Spiff
Feb 1 at 3:12
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25
Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
1
1
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
Can you edit your question to include the output of
ifconfig on your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?– Spiff
Feb 1 at 3:12
Can you edit your question to include the output of
ifconfig on your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?– Spiff
Feb 1 at 3:12
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25
add a comment |
1 Answer
1
active
oldest
votes
If I had a guess, it's because your 2018 MBP has a static IP that is the same as the router. Once you connect, there's an IP conflict. Likely it's best to enable DHCP on the 2018 MBP. The router likely has a log that will say something like "duplicate ip address detected".
Who knows what wacky routing will take place if you plugging the 2018 MBP (or something else) into the port where the internet is supposed to go.
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
add a comment |
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1 Answer
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active
oldest
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1 Answer
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active
oldest
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active
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votes
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votes
If I had a guess, it's because your 2018 MBP has a static IP that is the same as the router. Once you connect, there's an IP conflict. Likely it's best to enable DHCP on the 2018 MBP. The router likely has a log that will say something like "duplicate ip address detected".
Who knows what wacky routing will take place if you plugging the 2018 MBP (or something else) into the port where the internet is supposed to go.
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
add a comment |
If I had a guess, it's because your 2018 MBP has a static IP that is the same as the router. Once you connect, there's an IP conflict. Likely it's best to enable DHCP on the 2018 MBP. The router likely has a log that will say something like "duplicate ip address detected".
Who knows what wacky routing will take place if you plugging the 2018 MBP (or something else) into the port where the internet is supposed to go.
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
add a comment |
If I had a guess, it's because your 2018 MBP has a static IP that is the same as the router. Once you connect, there's an IP conflict. Likely it's best to enable DHCP on the 2018 MBP. The router likely has a log that will say something like "duplicate ip address detected".
Who knows what wacky routing will take place if you plugging the 2018 MBP (or something else) into the port where the internet is supposed to go.
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
If I had a guess, it's because your 2018 MBP has a static IP that is the same as the router. Once you connect, there's an IP conflict. Likely it's best to enable DHCP on the 2018 MBP. The router likely has a log that will say something like "duplicate ip address detected".
Who knows what wacky routing will take place if you plugging the 2018 MBP (or something else) into the port where the internet is supposed to go.
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
answered Jan 31 at 16:15
Robert PaulsenRobert Paulsen
992
992
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
add a comment |
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
TY, The wifi is set to DHCP - I do understand a static IP and I do use them on other machines - but this laptop gets its IP address for the Router's DHCP And I can see it in the routers DHCP IP List. Also I am definitely not plugging anything into the router's Internet port except the cable to the cable modem, so not sure what you meant by this.
– joe
Jan 31 at 16:46
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
It isn't really an answer to your question...
– Tim_Stewart
Jan 31 at 16:51
add a comment |
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Have you tried updating the firmware running on the router?
– Tim_Stewart
Jan 31 at 15:59
1
i think it is up to date but will reconfirm - thank you.
– joe
Jan 31 at 16:46
Can you edit your question to include the output of
ifconfigon your 2018 MBP? I'm wondering if you've managed to bridge Ethernet and Wi-Fi, creating a network loop. Does the failure only happen when you keep the Ethernet connected to the 2018 MBP at the same time as it is on the network via Wi-Fi? Does the problem go away if you disconnect the Ethernet cable from the MBP?– Spiff
Feb 1 at 3:12
while ethernet is connected there is no issue. When I disconnect Ethernet and turn on wifi, then the problem occurs.
– joe
Feb 1 at 11:25