Airtel IPv6 issues on Asus router bridged mode

MarioBros

MarioBros

Forerunner
Hey All,

My Airtel broadband ONT is connected to Asus router via bridged mode (PPPoE dialing) IP is CGNAT.

I tried enabling IPv6 via Asus router as seen in the below screenshot, from what I notice IPv6 gets activated, (even online IPv6 test shows it working) but the speed and connectivity is very inconsistent and slow, speed test shows just 10 mpbs once IPv6 is enabled and goes back to normal 200mbps once disabled.

what am I doing wrong ?

Screenshot-1.png


Screenshot-2024-08-15-153236.png


Screenshot-2.png
 
Always use passthrough option first. Also, as per my experience ISPs typically use different routing for IPv6 & IPv4 which may result in speed difference between the two so if after trying everything the speeds are still poor on IPv6 then it is just poor implementation of IPv6 by ISP.
 
guest_999 said:
Always use passthrough option first. Also, as per my experience ISPs typically use different routing for IPv6 & IPv4 which may result in speed difference between the two so if after trying everything the speeds are still poor on IPv6 then it is just poor implementation of IPv6 by ISP.
Click to expand...
I used passthrough option but IPv6 does not get activated...

only on Native option IPv6 works, I tried adding Google DNS, it works fine on for devices like phones but on other devices its very inconsistent and low speed
 
Open command prompt & run tracert command to a foreign ipv6 server like this:

tracert news6.easynews.com

Compare the routes & ping times of above with ipv4 connection using this command below in ipv4 connection mode after disabling ipv6 in router.

tracert news.easynews.com
 
guest_999 said:
Open command prompt & run tracert command to a foreign ipv6 server like this:

tracert news6.easynews.com

Compare the routes & ping times of above with ipv4 connection using this command below in ipv4 connection mode after disabling ipv6 in router.

tracert news.easynews.com
Click to expand...
checked this, the result was almost identical with IPv6 on & off, infact ping times a little better on IPv6 when I ran the test again
routes were also same, the speed while accessing is very inconsistent and slow on Browser with IPv6 enabled..



Speedtest error

Code: 
only IPv4

C:\Users\Deepak>tracert news.easynews.com

Tracing route to news.eu.easynews.com [81.171.92.197]
over a maximum of 30 hops:

  1     2 ms    <1 ms    <1 ms  RT-AX1800HP [192.168.1.1]
  2     4 ms     5 ms     7 ms  10.240.9.208
  3     *        *        *     Request timed out.
  4     4 ms     4 ms     4 ms  125.18.215.61
  5     *      118 ms   119 ms  116.119.73.117
  6   142 ms   142 ms   144 ms  as57463.226.199.netix.net [185.1.226.199]
  7   144 ms   148 ms   142 ms  speed-ix.baseip.com [185.1.222.241]
  8   141 ms   142 ms   144 ms  185.90.199.109
  9   144 ms   146 ms   143 ms  81.171.92.197

Trace complete.

----------------------

with IPv6 enabled

Tracing route to news.eu.easynews.com [81.171.92.197]
over a maximum of 30 hops:

  1     1 ms    <1 ms     1 ms  RT-AX1800HP [192.168.1.1]
  2     4 ms     4 ms     4 ms  10.240.9.208
  3     *        *        *     Request timed out.
  4     4 ms     4 ms     4 ms  125.18.215.57
  5   126 ms   126 ms   127 ms  116.119.57.82
  6   139 ms   143 ms   141 ms  as57463.226.199.netix.net [185.1.226.199]
  7   140 ms   140 ms   140 ms  speed-ix.baseip.com [185.1.222.241]
  8   141 ms   143 ms   141 ms  185.90.199.107
  9   142 ms   142 ms   142 ms  81.171.92.197
 
Last edited:
MarioBros said:
checked this, the result was almost identical with IPv6 on & off, infact ping times a little better on IPv6 when I ran the test again
routes were also same, the speed while accessing is very inconsistent and slow on Browser with IPv6 enabled..



Speedtest error

Code: 
only IPv4

C:\Users\Deepak>tracert news.easynews.com

Tracing route to news.eu.easynews.com [81.171.92.197]
over a maximum of 30 hops:

  1     2 ms    <1 ms    <1 ms  RT-AX1800HP [192.168.1.1]
  2     4 ms     5 ms     7 ms  10.240.9.208
  3     *        *        *     Request timed out.
  4     4 ms     4 ms     4 ms  125.18.215.61
  5     *      118 ms   119 ms  116.119.73.117
  6   142 ms   142 ms   144 ms  as57463.226.199.netix.net [185.1.226.199]
  7   144 ms   148 ms   142 ms  speed-ix.baseip.com [185.1.222.241]
  8   141 ms   142 ms   144 ms  185.90.199.109
  9   144 ms   146 ms   143 ms  81.171.92.197

Trace complete.

----------------------

with IPv6 enabled

Tracing route to news.eu.easynews.com [81.171.92.197]
over a maximum of 30 hops:

  1     1 ms    <1 ms     1 ms  RT-AX1800HP [192.168.1.1]
  2     4 ms     4 ms     4 ms  10.240.9.208
  3     *        *        *     Request timed out.
  4     4 ms     4 ms     4 ms  125.18.215.57
  5   126 ms   126 ms   127 ms  116.119.57.82
  6   139 ms   143 ms   141 ms  as57463.226.199.netix.net [185.1.226.199]
  7   140 ms   140 ms   140 ms  speed-ix.baseip.com [185.1.222.241]
  8   141 ms   143 ms   141 ms  185.90.199.107
  9   142 ms   142 ms   142 ms  81.171.92.197
Click to expand...

WhatsApp Image 2024-08-15 at 5.58.45 PM.jpeg







working perfectly fine here maybe try another dns server see if helps
Screenshot 2024-08-15 at 5.59.46 PM.png









 
Last edited:
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anmolbhard004 said:
View attachment 204753
working perfectly fine here maybe try another dns server see if helps
View attachment 204754
Click to expand...

unfortunately, on the Asus router no such DHCPv6 option to enable, I tried Cloudflare dns which is also the same

which router is this by the way ?


guest_999 said:
Test your speeds here:
ultra.cc

Network Tools

Use our network tool suite to assess your connection to our network
ultra.cc ultra.cc
Click to expand...

IPv4 only


with IPv6

Fast.com speed result with IPv6 enabled
 
anmolbhard004 said:
Click to expand...
Download is alright assuming it is 300mbps connection but upload is quite low. It should be at least 150mbps in my opinion or is airtel also doing the old time thing of restricting upload speed nowadays.
MarioBros said:
IPv4 only
https://ultra.cc/network-tools/speedtest/84b08ced-2815-416a-8149-2b929800271a

with IPv6
https://ultra.cc/network-tools/speedtest/08840965-2c4a-4dd9-bed6-baecb3f0ad08
Click to expand...
Those results are similar so I am guessing it is somehow some bad routing at airtel's end for IPv6 in your area affecting some websites. Don't just rely on speedtests though, always use/browse typical websites you use to see the speeds.
MarioBros said:
unfortunately, on the Asus router no such DHCPv6 option to enable
Click to expand...
Native ipv6 is DHCPv6.
 
Last edited:
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MarioBros said:
which router is this by the way ?
Click to expand...
dream machine pro

guest_999 said:
Download is alright assuming it is 300mbps connection but upload is quite low. It should be at least 150mbps in my opinion or is airtel also doing the old time thing of restricting upload speed nowadays.
Click to expand...
its a 200 mbps connection , upload is always like this on airtel nothing will fix it sadly

even on its own server in speedest ookla it wont touch 200 in upload

Screenshot 2024-08-15 at 7.34.15 PM.png




@MarioBros complain at CPGRAMS portal against portal and they will solve it in a day some routing has gone bad at your area olt I assume .
 

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