Questions tagged [site-to-site]

For questions about or in relation to Site-to-Site connections. For instance, you are setting up a Site-to-Site VPN between your local office and your main site and needs help with the configuration.

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How to configure IDr on Cisco ASA for AWS IPsec tunnels

I am currently facing an issue while attempting to establish IPsec tunnels between AWS and a Cisco ASA firewall. The AWS tunnel logs indicate that the Identity Resolution checks are failing, ...
Ajit Trivedi's user avatar
2 votes
1 answer
350 views

Site-to-Site VPN with BOTH sites behind NAT (mobile data routers)

I have 2 sites (call them "A" and "B") which connect to the Internet using 4G mobile data routers - don't knock them, I'm getting 200Mbps downlink and 30Mbps uplink, faster than a ...
kbro's user avatar
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2 votes
2 answers
613 views

Site-to-Site VPN with Sophos XG using tunnel interface

So I have configured a Sophos XG site-to-site vpn according to this document: https://docs.sophos.com/nsg/sophos-firewall/18.0/Help/en-us/webhelp/onlinehelp/nsg/sfos/learningContent/...
FloatingPointOperation's user avatar
1 vote
1 answer
69 views

Site to site vpn setup

I am trying to set up a small network for my startup. We have 2 small servers at separate locations and would like to set up a vpn thorugh which the 2 servers can talk to each other and through which ...
sev's user avatar
  • 113
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1 answer
289 views

what is significance of proxy id while configuring site to site vpn tunnel . why we should use proxy id and in which scenarios

i came know about proxy id configuration for first time. when iam troubleshooting site to site vpn tunnel configuration along with vendor . post configuring proxy id issue got resolved . But iam still ...
user avatar
0 votes
3 answers
2k views

Is site-to-site with Ubiquiti UDM Pro + USG + ERPro-8 behind ISP routers possible?

Evaluating the capabilities of the UniFi Dream Machine Pro all-in-one enterprise security gateway & network appliance (UDM Pro), I was wondering whether this site-to-site setup is possible: Setup ...
fiedl's user avatar
  • 101
1 vote
1 answer
115 views

Site to site ASA Routing question

I am doing a lab about DMVPN and Site to Site ASA integration. There is no problem in the DMVPN. However I have problem in establishing route from Site to Site ASA to DMVPN. The router on the left is ...
chiajw1's user avatar
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1 vote
0 answers
74 views

Windows L2TP VPN issues when accessing Site to Site VPN on Cisco 5506

We have two Site to Site VPNs and Remote Access VPN configured. Using the builtin IPsec client on OSX all subnets are accessible however when using L2TP built in client on Windows 10 ICMP traffic ...
memory24's user avatar
0 votes
1 answer
2k views

Why do hops before VPN server not reflect in traceroute?

I'm using a remote-site VPN (ProtoVPN). When I tracert to the IP address of the VPN server, the hops through my ISP and other intermediate hops before the VPN sever are shown. But when I tracert to ...
Noob_Guy's user avatar
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1 vote
1 answer
91 views

How to centrally manage customer site's and users that have access to customer site's

Background information: We have customers spread over the whole continent. We deliver and install hardware at the customers site and completely set up and configure the network for them. After the ...
CodeNinja's user avatar
  • 219
2 votes
2 answers
4k views

IKEv2 tunnel between ASA and Mikrotik

Trying to move from pfSense to Mikrotik for an office router, and the only stumbling block is maintaining a site-to-site IPSEC tunnel between it and our Cisco ASA. The settings all look correct to me, ...
miken32's user avatar
  • 259
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1 answer
1k views

Cisco ASA IPSec Site-to-Site VPN Rx Bytes not increasing

I have IPsec Site-to-Site VPN from my ASA to customer. After customer complain about VPN down, I reset the tunnel now I can see Login time duration 12h:34m Byte TX is 543240 and Byte Rx is 0. What ...
Balaji's user avatar
  • 3
2 votes
1 answer
111 views

How is traffic correctly routed in Site-to-Site VPNs where all sites are on the same subnet?

http://rockhoppervpn.sourceforge.net/ref_site2site_bridge_6.html The diagram on this page shows all 3 sites using the same subnet, 192.168.0.0/24. Let's say on the hub site where 192.168.0.10 is the ...
Lewis Kelsey's user avatar
1 vote
1 answer
37 views

Access List With Site To Site VPN

I have two juniper firewalls, an SSG-320M (screenos) and an SRX 340 (junos). I'm required to connect to a third party with an IPSEC VPN, however I'd like some additional protection from my firewall. ...
John Sayce's user avatar
2 votes
1 answer
1k views

Which interfaces do I need to configure to change MTU of Cisco Site-to-Site VPN

I have a number of Site-to-Site VPN tunnels in my network configurations. They are configured using Cisco ASA devices. To resolve some performance issues I am trying to change the MTU for traffic ...
Stringers's user avatar
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1 answer
371 views

Why in OSI model, "secure RPC" and "RPC" located at different layer? [closed]

In one of the book I read, it told me that remote procedure call(RPC) is located at Session layer but Secure RPC is located on Application layer That seems odd to me, since both of them should do ...
Ng Sek Long's user avatar
0 votes
1 answer
832 views

How can I accomplish VPN across Dual Wan connections?

How can I accomplish VPN across Dual Wan connections in a optimal way? Idea is to make: Site to site VPN. Make single connection inside the VPN to use full bandwidth of both wan connections using (...
shore's user avatar
  • 1
1 vote
1 answer
3k views

Traceroute through IPSec tunnel

askk Hi. When I do traceroute from host 192.168.11.0/24 to the server 10.0.0.0/24, which is site B. When the packets get into the public area it show Request timed out (as shown in this figure). I'm ...
C1sc0's user avatar
  • 11
0 votes
1 answer
375 views

Site-to-site IPsec and rerouting to another IPsec tunnel

We have three different geo sites (SITE1, SITE2 and SITE3) and each site has PFSense firewall installed. Sites have been connected together with IPSec tunnels. Also Site2 is connected to customer ...
taiffu's user avatar
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1 answer
105 views

Whats the security difference between Policy Based IPSec VPN tunnel vs HTTPS + Basic auth

We have several customers with the same service installed within their DMZ. This service is a HTTPS server. The server does not have authentication, this is solved by configuring the NetScaler ...
Script0r's user avatar
5 votes
1 answer
523 views

Need to configure site to site SSL VPN between two Cisco routers

I would like to configure site-to-site SSL VPN between two sites. I originally set up an IPSec VPN between the two Cisco routers and found I was only getting 10 percent of the available bandwidth. ...
Mike Thomas's user avatar
3 votes
1 answer
1k views

Traffic not send in IPsec with a Cisco ASA

I try to set up a site to site IPsec between an Ericsson router and a Cisco ASA, as shown below: My tunnel is UP and R1 seems to be working fine. However, my ASA does not forward traffic between ...
Nakrule's user avatar
  • 871
1 vote
2 answers
4k views

Keep Cisco site-to-site tunnel up permanently

I have Cisco ASA site-to-site tunnel with remote and which i don't have control. I have following config: crypto ikev1 policy 10 authentication pre-share encryption aes hash sha group 2 ...
Satish's user avatar
  • 4,361
1 vote
2 answers
4k views

Difference between WAN and VPN(tunnels)

I got my CCENT and working on ICND2 to get my CCNA. I am stuck on this topic and am unable to grasp the context. WAN and VPN and how they differentiate. My understanding is we need WAN for "Physical" ...
Marjanul Karim's user avatar
5 votes
1 answer
2k views

ASA5515 - QM FSM error / failed to establish L2L SA when transferring large files

I was hoping someone could help me with a problem I’m having - a little clarification or advice would be much appreciated: The Issue: I have set a new backup server and I want to back up data from ...
CrazyHorse019's user avatar
2 votes
1 answer
678 views

Cisco ASA Dial in VPN access Devices on Site-to-Site VPN

Questions 1) What do I need to run to get this to allow the on-site to talk to the dial-in network clients E.G ping from 10.101.1.7 to 10.101.2.1? 2) What do I need to run to get the dial-in network ...
Martin Barker's user avatar
1 vote
1 answer
972 views

Cisco ASA site to site with Forcepoint stonesoft NGFW

I am try to establish a site to site VPN between Cisco ASA and Forcepoint Stonesoft NGFW, i have support that assured everything is set up correct from Forcepoint NGFW side but i have trouble from ...
Hadi QJ's user avatar
  • 23
3 votes
1 answer
6k views

Cisco ASA5516 9.8(2) IKEv2 negotiation aborted due unsupported failover version

I have a site to site connection from the ASA to an Azure subscription. The site to site session starts up fine, but after a few minutes (from 3 to 25) the connection fails. If on ASDM I open ...
aledeniz's user avatar
  • 181
3 votes
1 answer
2k views

ASA5516 9.8(2) IKEv2 (no BGP) site to site connection with Azure fails

I have a Azure subscription, with a virtual network where the gateway subnet is 172.26.0.0/27, and then I have a number of subnets, e.g. 172.26.1.0/24, 172.26.2.0/24, 172.26.3.0/24, .... On the ...
aledeniz's user avatar
  • 181
1 vote
1 answer
632 views

With large file transfer packets are dropped with the error "IDP detection OOO Exceeded Max" on encryption/decryption engine subsystem

We have an in-house application for sending large files. Using TCP/IP this application uploads the files to a server on our main office network and then sends a link to the file as part of an email. ...
skeletank's user avatar
  • 113
2 votes
1 answer
2k views

Site-to-site IPSEC for multiple peers with dynamic IP on Juniper SRX

Looking for possible solution. I have Juniper SRX 1400 (12.1X47-D20.7) with static WAN IP in data-center and multiple sites with dynamic WAN IP addresses. I need to build with them site-to-site VPN's....
Andrey Prokhorov's user avatar