Configure Redundant ASA5506 VPN

@kashifnadeem86

Hi, I can configure and test a redundant site-to-site VPN setup on your Cisco ASA 5506 using the existing primary tunnel plus a secondary ISP/tunnel for automatic failover. I’ll review the current running configuration first, then add the secondary outside interface, VPN/NAT/ACL entries, route tracking/IP SLA, and automatic failback to the primary circuit once service is restored. I can also perform a controlled outage test to verify traffic switches to the backup tunnel correctly. Deliverables will include the updated ASA configuration, validation results, change log, and rollback steps. Before starting, I would just need the current ASA config, ASA software version, addressing/details for both ISP circuits, and confirmation that the remote VPN peer can accept both primary and backup peer IPs. Estimated completion: 2–3 days, including testing and documentation. Best regards, Kashif

@farooqtahir2013

With over a decade of experience in the network and system administration field, I am more than ready to take on your project of configuring a redundant ASA5506 VPN. Having worked with various vendors including Cisco, I possess the necessary expertise in networking and specifically with the ASA5506 to tackle this task effectively and efficiently. I thoroughly understand your need for a second tunnel to ensure uninterrupted business operations even if the main link drops. I would recommend using a reliable native ASA protocol stack such as IPSec or IKEv2, but I would incorporate whichever you prefer and integrate it seamlessly in your current setup. My aim is to build, test, and deploy a fail-over solution that automatically flips traffic to the secondary link once an issue is detected, while also restoring normal routing once the primary link is online again. Choose me not only for my proven skills sets but also for my dedication to meeting client needs. I pride myself on delivering tailored projects that are clean, documented, efficient and quickly executed. I am available 24x7 to respond promptly to any concerns you may have throughout this entire process. I look forward to working together in building a robust redundancy solution for your VPN setup!

@seefattechnologi

I can configure and test your Cisco ASA 5506 site-to-site VPN failover with a secondary WAN/tunnel, automatic traffic switchover, and restoration when the primary link returns. I can handle IPsec/IKEv2, route tracking, IP SLA monitoring, NAT, ACLs, failover testing, configuration documentation, change logs, and rollback planning while preserving your existing stable VPN. I’m available to start immediately and can work directly with your current running-config and CLI/ASDM access. Thanks!! Parminder

@AZTURK1

Setting up automated dual-ISP redundancy on a Cisco ASA 5506 requires reliable IP SLA tracking tied to floating static routes alongside symmetric crypto map or VTI configuration. ✅ Configure secondary outside interface, crypto policies (IKEv2/IPSec), NAT exemption rules, and ACLs matching the existing tunnel architecture. ✅ Deploy IP SLA monitoring with tracked default routes to trigger automatic failover to the backup ISP upon gateway packet loss and revert cleanly on recovery. ✅ Complete running-config backup taken prior to execution, structured rollback script, and live failover packet-flow validation report during testing. ✅ 10+ years production experience | 400+ completed projects | 320+ five-star reviews ✅ Microsoft® Certified: MCSA | MCSE | MCT & cPanel Certified (CWSA-2) What brand and model terminate the tunnel on the remote end, and is the secondary circuit assigned a static public IP? I can deliver this in 2 day(s) for 280 USD and can jump on it right now.

@turaab

I can configure and test a redundant site-to-site VPN solution on your Cisco ASA 5506 using the secondary ISP circuit, with automatic failover and recovery to the primary link. My background includes Network Administration, VPNs, firewalls, routing, IPSec/IKE, NAT, ACLs, and production network troubleshooting. I can work directly through CLI/ASDM and review your existing running-config before making changes. I will configure the secondary outside interface, VPN tunnel, NAT/ACL rules, and SLA/route tracking, then perform a controlled failover test to verify traffic switches correctly and returns to the primary circuit once restored. You will receive the updated configuration, validation results, change log, and rollback procedure. Prerequisites: current ASA config, remote peer details, secondary ISP addressing/gateway, and an agreed maintenance window. Configuration and testing can typically be completed within the same maintenance session.

@Ahmedi89

Hi There :), Thank you for sharing the details of your project. After thoroughly reviewing your requirements, I am confident in my ability to deliver effective solutions tailored to your needs. Here’s how I can add value: - Over 10 years of hands-on experience in Linux engineering, DevOps automation, and cloud infrastructure. - I am a Red Hat Certified Engineer (RHCE/RHCSA) with expertise in system optimization, Infrastructure as Code (Terraform/Ansible), CI/CD pipelines, and containerization (Docker/Kubernetes). - Proven track record in securing and scaling enterprise environments, reducing downtime, and aligning systems with compliance standards. - Extensive experience in troubleshooting and fixing system issues, and deploying major programming code to Linux distributions. Best regards, Ahmed Hassan

@k1ng440

A second tunnel at the same site only earns its keep if it fails over cleanly when the primary peer goes down. Otherwise you've doubled your config without adding real redundancy. I'd build the standby tunnel with its own IKE and IPsec policies, leave your existing stable tunnel untouched, and verify failover by breaking the primary while traffic is live. I've done similar HA work on-premise for a maritime client where 99.9% uptime was the requirement and there was no room to break production. Full documentation of both tunnels and the failover behavior comes with the job. Does your ASA hold a public IP directly or sit behind NAT?

@ExpertNetworkEng

Hello, I’m a Senior Network & Security Engineer with 10+ years of hands-on experience designing, implementing, and migrating enterprise and service-provider networks. I specialize in Network Security, SD-WAN, routing & switching, enterprise wireless, and secure network architecture, helping companies modernize legacy networks, improve reliability, and reduce WAN costs. Core expertise: - Firewalls & Security: FortiGate, Palo Alto, Cisco ASA / Firepower IPsec & SSL VPN, site-to-site, remote access, policy design - Routing & Switching: Cisco ASR/ISR, Catalyst, Nexus, Juniper Routers (M10, MX 960) and SRX 500 (BGP, OSPF, EIGRP, IS-IS, MPLS, VLANs, STP, HSRP/VRRP) Enterprise LAN & campus design - LAN Switching (Multi-Vendor): Cisco, Juniper, Meraki, HP, Aruba, FortiSwitch Access/core design, redundancy, QoS, segmentation - Enterprise Wireless: Cisco WLC & APs, Cisco Meraki Wi-Fi, Ubiquiti, Aruba Wi-Fi, FortiAP Coverage design, roaming, security, troubleshooting - SD-WAN: Fortinet SD-WAN, Cisco SD-WAN (Viptela), Cisco Meraki (hub-and-spoke, MPLS + Internet, segmentation, HA, traffic steering) - Cloud & Hybrid Networking: AWS / Azure / GCP Site-to-site VPN, routing integration - Network Automation: Python Certifications: CCIE Enterprise Cisco Certified Specialist – Enterprise SD-WAN Implementation CCNP Data Center CCNP Security Juniper JNCIA-Junos, JNCIA-Cloud If you share your current setup and goal, I can propose a clear and practical solution. Best regards,

@ramygoda1590

Hi there, I am networking expert specialist and consultant for more than 11 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project i will always look for solving your tasks ickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy

@mharis360

Hi There, I have carefully reviewed your project requirements, which is regarding configuring redundant site-to-site VPNs, and I am confident that I can provide the technical expertise required to successfully complete this project. Please contact me for further discussion. Below are my experience and skills details. I am an experienced ICT Network & System Professional with 25+ years of hands-on experience across both network and system infrastructure domains. My experience includes planning, designing, implementation, administration, security, virtualization, optimization, and technical support of ICT infrastructure in both on-premises and hybrid environments. Furthermore, I have extensive experience working in multivendor environments with technologies including Cisco, Fortinet, Sophos, Juniper, Huawei, H3C, Sangfor, Ruijie, SonicWall, OPNsense, pfSense, Windows Server, Linux, virtualization, Cacti, Zabbix, and Synology etc. I have also worked on hybrid infrastructure projects integrating on-premises networks with cloud environments. Certifications & Training CCNA | CCNP Routing & Switching | JNCIA-ER | JNCIS-ER | JNCIS-ES | MCSE | Aviatrix MCNA | Fortinet NSE 1 & NSE 2 | RHCE Training I would be happy to start discussion with you regarding this project, please feel free to contact me. Looking forward to working with you. Best Regards, M. Haris

@sohelranaict07

Hello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their requirement. ✅ I have certification of CCNP (R&S), RHCSA, RHCSE and training on CCNP Sec, MTCNA, F5 ASM & LB, Linux System Security, Information Security and Cyber Forensic. ✅ I am a professional CCNA & CCNP (R&S) trainer and have simulated lot of projects in packet tracer and GNS3. ✅ During my job period I mostly worked to design and deploy network & security infrastructure of several companies. ✅ I have good knowledge and experience of working on devices of multiple OEM like Cisco, Juniper, Mikrotik, F5, Sophos, Fortinet, PfSense, SonicWall etc. ✅ I have expertise in Cisco ACI (Data Center Solution), Routing & switching, Firewall (FTD & ASA), wireless, collaboration, WSA, ESA, ISE, F5 Application Security Manager & Load Balancer, Mikrotik BW Manager etc. I will be glad if the above-mentioned criteria make you realize that I am able to meet your requirement then would like to request to have a brief discussion on your project and requirements first after that award me with the work order. I always try to keep my words given to employer and I believe it helps me a lot to deliver my work on time. Thanks with best regards, Rana

@devendrathakur12

Hi, I’m Dev Singh, a Principal Network Engineer with 20+ years in Linux, networking and backend infrastructure. I have gone through your specific requirement for Cisco ASA VPN failover. I would use ASA IP SLA route tracking rather than depending on manual route changes, because the tracked primary path can be removed automatically when the link stops responding. I will work from the current running config and add the secondary outside path without disturbing the existing tunnel. I would keep NAT and ACL changes tied to that path, then force an outage to verify traffic actually moves and returns correctly. And I will document the exact rollback commands, at least that is where I would start. Relevant infrastructure details and screenshots I can send privately. What ASA 5506 software version and license are currently running? Does the secondary circuit provide a separate public IP and gateway? What remote peer and internal networks must remain reachable during failover? Free for a quick call this week? Or answer those three and I will map out the change. Dev Singh

@mayankinnovative

Ensuring uninterrupted business continuity on your Cisco ASA 5506 requires automated SLA-driven route tracking, redundant crypto maps or VTI tunnels, and deterministic switchback logic. my approach: I will configure the secondary ISP interface, assign IP/NAT rules, and deploy a redundant site-to-site IPsec tunnel (matching your existing IKEv1/IKEv2 parameters). Using Cisco IP SLA monitoring with ICMP probes and tracked static default routes with floating metrics, the ASA will automatically sense primary circuit packet loss or downtime and immediately divert VPN traffic to the secondary line. Once the primary link stabilizes, SLA tracking will restore default routing without human intervention. I will provide a tested configuration script, step-by-step failover validation, and a clear rollback plan. 1. What device model and firmware version are running at the remote end of the tunnel? 2. Does the backup link have a static public IP assigned by the ISP? I am ready to review your running-config and secure your network redundancy.

@koolvishruth

As a seasoned IT professional with over seven years of experience and a strong background in Network Administration and Network Security, I have successfully completed 131+ projects—including numerous configurations ranging from basic to highly complex ones similar to your requirement. My in-depth knowledge of Cisco ASA5506, CLI, and ASDM provides the foundation for my ability to deliver clean, documented, and scalable solutions.I will get this done in 1 day. Let’s connect

@naminghn

Hi there, I see you're looking to implement a redundant VPN solution on your Cisco ASA 5506 to ensure business continuity. I can create the new tunnel, configure the secondary outside interface, and establish the necessary NAT and ACL entries to maintain seamless operations during a primary link failure. I'll use a reliable protocol like IKEv2 for a clean integration with your existing setup. In addition to updating your ASA configuration, I will implement route-tracking or SLA monitoring for automatic failover and document everything for an easy deployment. Expect a validation report confirming that backup packets are processed correctly during testing, plus a rollback plan should any issues arise. I can start promptly, ensuring the configuration aligns with your specifications. Regards, Ali

@mobasherreza10

Hi there, As a network administrator with a strong background in Cisco infrastructure, I exude confidence in delivering results for your project. With your full CLI and ASDM access, I would leverage on the extensive knowledge and expertise I have acquired over 56 projects to build and test a complete failover solution that guarantees seamless traffic switching between the primary and secondary links of your ASA 5506 VPN. Aside from my proficiency in IPSec, IKEv2, and other reliable ASA protocols, my broad experience in software engineering further complements the task at hand. I am adept at writing clean, well-documented, and scalable code that not only meets specific project requirements but also ensures easy deployment and maintenance. Moreover, with an impressive 96% on-time delivery track record across my projects, you can rest assured that we will meet all stipulated timelines without compromising on quality. Best regards, Mobasher Reza

@najibe1

I can configure and test the secondary site-to-site VPN on your Cisco ASA 5506, including the backup interface, IPSec/IKEv2, NAT, ACLs and SLA-based route tracking. I’ll validate automatic failover and recovery, then provide the updated configuration, change log, validation results and rollback plan.

@TidewaterDev

Hello, Adam from New Jersey here. Thank you for the clear brief. I'd be glad to give your site reliable business continuity without disturbing the tunnel that already works. The thing that decides whether failover really works on an ASA is what happens to existing connections. Without "timeout floating-conn", sessions stay stuck to the dead route and users stay down even after the switch. I'll set that, together with SLA-monitor route tracking and a backup peer on the remote side, so traffic moves over within seconds and returns cleanly when the primary recovers. Here is how I'd approach it: 1. Review your running-config, back it up and plan the new interface, NAT and ACL entries. 2. Configure the second outside interface, IKEv2 crypto map, SLA monitor and tracked default routes. 3. Force an outage in a maintenance window, confirm packets flow over the backup link, then verify fallback. 4. Deliver the documented config, validation report, change log and rollback plan. Prerequisites: the backup line's static IP and gateway, access to update the remote peer, and an agreed maintenance window. The work can be completed within that window once the config is reviewed. I recently configured Cisco ASA site-to-site VPNs with route tracking for automatic ISP failover. I'd be happy to work closely with you until both links are fully tested. Thanks, Adam.

@c0909h1179

Adding a second tunnel is the easy part — the real risk is the switchover logic silently breaking your existing production tunnel, so the work has to be additive and fully reversible. I've spent years building recoverable execution flows and live monitoring dashboards for real-time platforms, where automatic failover and clean state restoration are exactly the problem being solved. Approach: (1) audit the running-config and map current NAT, ACL and crypto maps before touching anything; (2) stage the secondary outside interface, IKEv2 tunnel and floating static route with IP SLA/track objects, each line commented; (3) force an outage on the primary circuit, capture packet flow over the backup, then document restoration, change log and a one-command rollback. Is the backup circuit already provisioned with a static public IP?