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TL-ER604W Remote VPN Clients cannot see LAN computers
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TL-ER604W Remote VPN Clients cannot see LAN computers
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TL-ER604W Remote VPN Clients cannot see LAN computers
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Registered: 2014-03-04
2014-03-05 21:15:57 - last edited 2021-08-21 05:55:10
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TL-ER604W Remote VPN Clients cannot see LAN computers
2014-03-05 21:15:57 - last edited 2021-08-21 05:55:10
Tags:
Region : UnitedStates
Model : TL-ER604W
Hardware Version : V1
Firmware Version :
ISP :
Remote Clients connected to VPN cannot access LAN computers connected to the TL-ER604W.
Configuration of IP Address Pool will not allow Remote Clients to be on same subnet as LAN computers connected to TL-ER604W.
Is there a workaround that could provide this connectivity?
The WHOLE point of remote VPN clients connecting is for access to LAN computers at the HOST end.
Model : TL-ER604W
Hardware Version : V1
Firmware Version :
ISP :
Remote Clients connected to VPN cannot access LAN computers connected to the TL-ER604W.
Configuration of IP Address Pool will not allow Remote Clients to be on same subnet as LAN computers connected to TL-ER604W.
Is there a workaround that could provide this connectivity?
The WHOLE point of remote VPN clients connecting is for access to LAN computers at the HOST end.
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Registered: 2014-05-23
Same issue
2014-05-23 07:44:01 - last edited 2021-08-21 05:55:10
I have tried adding routes for the ip pool, I am at a loss on why this isn't working. makes this router pointless....super frustrating PLEASE HELP
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#2
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Registered: 2014-05-28
Any help?
2014-05-29 01:22:54 - last edited 2021-08-21 05:55:10
I see your post on the 3rd hasn't been replied to. Has anyone contacted you yet?
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no reply still
2014-06-07 08:05:12 - last edited 2021-08-21 05:55:10
cmaslin wrote
I see your post on the 3rd hasn't been replied to. Has anyone contacted you yet?
NO ONE HAS CONTACTED ME...:confused:
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Registered: 2014-06-13
VERY slow support
2014-06-14 00:02:56 - last edited 2021-08-21 05:55:10
Mizel wrote
NO ONE HAS CONTACTED ME...:confused:
I have nearly the same problem. I opened a new ticket but TPlink support is slow. It took two+ weeks to escalate an email support thread and they kept asking questions that I had already answered.
Frustrating.
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Registered: 2014-06-30
Any Luck
2014-06-30 17:23:18 - last edited 2021-08-21 05:55:10
Was this ever resolved? I am having the same issue.
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Any Luck With This?
2014-06-30 17:27:38 - last edited 2021-08-21 05:55:10
I have the same issue, was this ever resolved?
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Re:TL-ER604W Remote VPN Clients cannot see LAN computers
2014-07-01 07:06:29 - last edited 2021-08-21 05:55:10
I was able to resolve this as there were two issues.
1. The local cable company provided the modem/router at the remote end. By default, all of the protocol helpers were disabled, ie, IPsec passthrough was disabled. Since I was getting a public IP on my TPlink, it did not occur to me that the cable modem may not be completely transparent. Apparently, it is a "Feature" designed to encourage upgrades to business level services.
2. The second issue was a conflicting route left over from previous testing.
I was previously trying to get a remote TP-Link router to connect to a pfSense main router via IPsec, but I never got that working. TP-Link ER-604W on both ends (One is static IP, the other uses DDNS) is working nicely.
1. The local cable company provided the modem/router at the remote end. By default, all of the protocol helpers were disabled, ie, IPsec passthrough was disabled. Since I was getting a public IP on my TPlink, it did not occur to me that the cable modem may not be completely transparent. Apparently, it is a "Feature" designed to encourage upgrades to business level services.
2. The second issue was a conflicting route left over from previous testing.
I was previously trying to get a remote TP-Link router to connect to a pfSense main router via IPsec, but I never got that working. TP-Link ER-604W on both ends (One is static IP, the other uses DDNS) is working nicely.
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How to fix your VPN connections.
2014-08-07 17:36:29 - last edited 2021-08-21 05:55:10
Hi guys,
I encountered the same problem, I believe it to be a bug in the router firmware and have reported it as such, however I'm happy to tell you that there is a workaround.
The basic issue is that the router does not send back the correct routing table entries to the client after connection in all cases.
You can verify this yourself in windows by checking the routing table.
I'll illustrate this with my own configuration.
my LAN network address is 172.16.106.0
when I initially set up client - network VPN, I followed the example in the guide, and created an address pool in the range 10.10.10.10. - 10.10.10.50 for VPN clients.
When I connected to the VPN, as you have all seen, it connected fine, but I was unable to contact any machine on my LAN.
What I discovered from the windows routing table, was that no route had been created for the 172.16.106 network.
Instead, a route to 10.0.0.0 had been created, which didn't make a great deal of sense.
However, I found that if I manually created a route to 172.16.106.0 then miraculously everything started to work.
To do this manually, check what your VPN client address is (in my case it was 10.10.10.10), and add the route in an administrator command prompt with (again using my network as an example)
route add 172.16.106.0 mask 255.255.255.0 10.10.10.10
There is also an automated way to achieve the same objective by changing the address pool so that the range is contained within the same superset as the LAN addresses.
In my example, I set the pool address range to be 172.16.108.1 - 172.16.108.50
Now when I connect to the VPN, the router creates for me a route for 172.16.0.0 which includes both the VPN client range, and the LAN subnet, so everything works as expected.
I hope that works for everyone.
P
I encountered the same problem, I believe it to be a bug in the router firmware and have reported it as such, however I'm happy to tell you that there is a workaround.
The basic issue is that the router does not send back the correct routing table entries to the client after connection in all cases.
You can verify this yourself in windows by checking the routing table.
I'll illustrate this with my own configuration.
my LAN network address is 172.16.106.0
when I initially set up client - network VPN, I followed the example in the guide, and created an address pool in the range 10.10.10.10. - 10.10.10.50 for VPN clients.
When I connected to the VPN, as you have all seen, it connected fine, but I was unable to contact any machine on my LAN.
What I discovered from the windows routing table, was that no route had been created for the 172.16.106 network.
Instead, a route to 10.0.0.0 had been created, which didn't make a great deal of sense.
However, I found that if I manually created a route to 172.16.106.0 then miraculously everything started to work.
To do this manually, check what your VPN client address is (in my case it was 10.10.10.10), and add the route in an administrator command prompt with (again using my network as an example)
route add 172.16.106.0 mask 255.255.255.0 10.10.10.10
There is also an automated way to achieve the same objective by changing the address pool so that the range is contained within the same superset as the LAN addresses.
In my example, I set the pool address range to be 172.16.108.1 - 172.16.108.50
Now when I connect to the VPN, the router creates for me a route for 172.16.0.0 which includes both the VPN client range, and the LAN subnet, so everything works as expected.
I hope that works for everyone.
P
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Re:TL-ER604W Remote VPN Clients cannot see LAN computers
2015-01-11 10:39:23 - last edited 2021-08-21 05:55:10
Hello - I tried using your method on the LAN & VPN (adjusted for my subnets) to setup the er6120 for the site-to-site pptp vpn connection -
- I'm trying to use the er6120 to connect to a remote win 2008 pptp server where I see the same problem; the WAN makes the vpn connection (and the er6120 can be ping'd from the remote network side) but nothing on the er6120 LAN side can ping anything on the remote pptp side -
- the LAN side does not appear to be routing correctly to the WAN side - using your method (above), it still does not resolve the issue -
- I need to force all traffic through the VPN connection but I don't see any settings for that so I'm trying your method for routing -
My setup:
ER6120 <--> cable modem router <--> INTERNET <--> University (ISP) <--> Win 2008 RRAS PPTP (appropriate firewall exceptions; works for all other clients)
TL-ER6120 (NAT mode)
LAN = x.x.171.124
LAN DHCP = x.x.171.x to y
WAN = dynamic IP to cable modem / router = 192.168.1.1 (reserved dhcp static)
VPN - L2TP/PPTP - PPTP Client = server x.x.175.x with Remote Subnet x.x.175.0/24 (active and connected; assigned ip from remotepptp server)
Route Table
No. Destination Gateway Flags Logical Interface Physical Interface Metric
1 0.0.0.0/0 192.168.1.1 GS eth1 WAN1 0
2 x.x.171.0/24 N/A C eth0 LAN 0
3 x.x.175.0/24 x.x.175.x S pptp-vpn-0 WAN1 0
4 x.x.175.x N/A HP pptp-vpn-0 WAN1 2
5 192.168.1.0/24 N/A C eth1 WAN1 0
Any suggestions?
(yes, I've posted to support at TP-Link; they pointed to faqid=411 which is not a solution and that is how I setup the er6120 in the first place)
regards, chris o.
- I'm trying to use the er6120 to connect to a remote win 2008 pptp server where I see the same problem; the WAN makes the vpn connection (and the er6120 can be ping'd from the remote network side) but nothing on the er6120 LAN side can ping anything on the remote pptp side -
- the LAN side does not appear to be routing correctly to the WAN side - using your method (above), it still does not resolve the issue -
- I need to force all traffic through the VPN connection but I don't see any settings for that so I'm trying your method for routing -
My setup:
ER6120 <--> cable modem router <--> INTERNET <--> University (ISP) <--> Win 2008 RRAS PPTP (appropriate firewall exceptions; works for all other clients)
TL-ER6120 (NAT mode)
LAN = x.x.171.124
LAN DHCP = x.x.171.x to y
WAN = dynamic IP to cable modem / router = 192.168.1.1 (reserved dhcp static)
VPN - L2TP/PPTP - PPTP Client = server x.x.175.x with Remote Subnet x.x.175.0/24 (active and connected; assigned ip from remotepptp server)
Route Table
No. Destination Gateway Flags Logical Interface Physical Interface Metric
1 0.0.0.0/0 192.168.1.1 GS eth1 WAN1 0
2 x.x.171.0/24 N/A C eth0 LAN 0
3 x.x.175.0/24 x.x.175.x S pptp-vpn-0 WAN1 0
4 x.x.175.x N/A HP pptp-vpn-0 WAN1 2
5 192.168.1.0/24 N/A C eth1 WAN1 0
Any suggestions?
(yes, I've posted to support at TP-Link; they pointed to faqid=411 which is not a solution and that is how I setup the er6120 in the first place)
regards, chris o.
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Re:TL-ER604W Remote VPN Clients cannot see LAN computers
2015-02-21 18:43:10 - last edited 2021-08-21 05:55:10
hi!
Have you found solution on this issue?? Sounds that no one answering from TP-LINK support team..
I'm having Same issue ...VPN connection was successfully established however I can't Ping the Server [ IP: 192.168.1.2 ].. or any computer on that network except for the TP-Link LAN IP 192.168.1.1
Here is my Setup..
Appreciate your help...
Thanks
Have you found solution on this issue?? Sounds that no one answering from TP-LINK support team..
I'm having Same issue ...VPN connection was successfully established however I can't Ping the Server [ IP: 192.168.1.2 ].. or any computer on that network except for the TP-Link LAN IP 192.168.1.1
Here is my Setup..
Appreciate your help...
Thanks
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2014-03-05 21:15:57 - last edited 2021-08-21 05:55:10
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