Cisco Configuration Professional allows for the configuration of site-to-site IPsec VPN tunnels between two Cisco IOS routers. The document provides an example configuration using static routes that establishes an IPsec tunnel between Router A and Router B. The configuration is performed using Cisco Configuration Professional on each router and specifies the IKE and IPsec proposals, transform sets, and traffic to be protected between the 10.10.10.0 and 10.20.10.0 networks. Show commands are included to verify the tunnel is successfully established and traffic is being encrypted and decrypted.
CCNAv5 - S2: Chapter 9 Access Control ListsVuz Dở Hơi
CCNAv5
S2-Routing and Switching Essetialintrosuction to switched networks: Access Control List
Download here:
ccna5vn.wordpress.com
Blogspot:
ccna5vn.blogspot.com
Youtube Channel:
www.youtube.com/user/VuzBlog
CCNAv5 - S2: Chapter 9 Access Control ListsVuz Dở Hơi
CCNAv5
S2-Routing and Switching Essetialintrosuction to switched networks: Access Control List
Download here:
ccna5vn.wordpress.com
Blogspot:
ccna5vn.blogspot.com
Youtube Channel:
www.youtube.com/user/VuzBlog
Network topology is the topological structure of a system and might be portrayed physically or sensibly. It is an utilization of chart hypothesis wherein conveying gadgets are demonstrated as hubs and the associations between the gadgets are displayed as connections or lines between the hubs.
1) Explain the basic operation of dynamic routing protocols.
2) Compare and contrast dynamic and static routing.
3) Determine which networks are available during an initial network discovery phase.
4) Define the different categories of routing protocols.
5) Describe the process by which distance vector routing protocols learn about other networks.
6) Identify the types of distance-vector routing protocols.
7) Configure the RIP routing protocol.
8) Configure the RIPng routing protocol.
9) Explain the process by which link-state routing protocols learn about other networks.
10) Describe the information sent in a link-state update.
11) Describe advantages and disadvantages of using link-state routing protocols.
12) Identify protocols that use the link-state routing process. (OSPF, IS-IS)
13) Determine the route source, administrative distance, and metric for a given route.
14) Explain the concept of a parent/child relationship in a dynamically built routing table.
15) Compare the IPv4 classless route lookup process and the IPv6 lookup process.
16) Analyze a routing table to determine which route will be used to forward a packet.
Troubleshooting Firewalls (2012 San Diego)Cisco Security
This presentation focuses on preemptive measures and reactive techniques that can be used to troubleshoot, secure, and maintain the Cisco Adaptive Security Appliance Products and the Cisco Firewall Services Module (FWSM). Providing an in-depth understanding of the packet flow through the firewall device, as well as how to effectively utilize the available commands and on-board tools to troubleshoot connectivity problems are the main goals of this presentation. Knowledge is assumed of security fundamentals and firewall technology at the level presented in the Cisco Networkers Online Introduction to Firewalls and Deploying Firewalls.
Cisco Live 365: https://www.ciscolive365.com/connect/sessionDetail.ww?SESSION_ID=4377
Основные понятия и аспекты построения отказоустойчивых Site-to-Site VPN на ASACisco Russia
Презентация с вебинара, организованного в рамках сообщества Cisco Support Community.
Приглашаем Вас на другие мероприятия Cisco Support Community, а также к участию в жизни нашего сообщества технической поддержки Cisco:
http://cs.co/CSCRu
Understanding and Troubleshooting ASA NATCisco Russia
Презентация с вебинара, организованного в рамках сообщества Cisco Support Community.
Приглашаем Вас на другие мероприятия Cisco Support Community, а также к участию в жизни нашего сообщества технической поддержки Cisco:
http://cs.co/CSCRu
Network topology is the topological structure of a system and might be portrayed physically or sensibly. It is an utilization of chart hypothesis wherein conveying gadgets are demonstrated as hubs and the associations between the gadgets are displayed as connections or lines between the hubs.
1) Explain the basic operation of dynamic routing protocols.
2) Compare and contrast dynamic and static routing.
3) Determine which networks are available during an initial network discovery phase.
4) Define the different categories of routing protocols.
5) Describe the process by which distance vector routing protocols learn about other networks.
6) Identify the types of distance-vector routing protocols.
7) Configure the RIP routing protocol.
8) Configure the RIPng routing protocol.
9) Explain the process by which link-state routing protocols learn about other networks.
10) Describe the information sent in a link-state update.
11) Describe advantages and disadvantages of using link-state routing protocols.
12) Identify protocols that use the link-state routing process. (OSPF, IS-IS)
13) Determine the route source, administrative distance, and metric for a given route.
14) Explain the concept of a parent/child relationship in a dynamically built routing table.
15) Compare the IPv4 classless route lookup process and the IPv6 lookup process.
16) Analyze a routing table to determine which route will be used to forward a packet.
Troubleshooting Firewalls (2012 San Diego)Cisco Security
This presentation focuses on preemptive measures and reactive techniques that can be used to troubleshoot, secure, and maintain the Cisco Adaptive Security Appliance Products and the Cisco Firewall Services Module (FWSM). Providing an in-depth understanding of the packet flow through the firewall device, as well as how to effectively utilize the available commands and on-board tools to troubleshoot connectivity problems are the main goals of this presentation. Knowledge is assumed of security fundamentals and firewall technology at the level presented in the Cisco Networkers Online Introduction to Firewalls and Deploying Firewalls.
Cisco Live 365: https://www.ciscolive365.com/connect/sessionDetail.ww?SESSION_ID=4377
Основные понятия и аспекты построения отказоустойчивых Site-to-Site VPN на ASACisco Russia
Презентация с вебинара, организованного в рамках сообщества Cisco Support Community.
Приглашаем Вас на другие мероприятия Cisco Support Community, а также к участию в жизни нашего сообщества технической поддержки Cisco:
http://cs.co/CSCRu
Understanding and Troubleshooting ASA NATCisco Russia
Презентация с вебинара, организованного в рамках сообщества Cisco Support Community.
Приглашаем Вас на другие мероприятия Cisco Support Community, а также к участию в жизни нашего сообщества технической поддержки Cisco:
http://cs.co/CSCRu
LAN to LAN VPN also known as Site to Site VPN is the most basic and the most simplest of all the VPN’s used on CISCO devices. It helps in connecting networks in different geographical location.
Cohesive Networks Support Docs: VNS3 Setup for Cisco ASACohesive Networks
VNS3 Setup Guides for Popular Security Appliances (IPsec Configuration Instructions)
Learn how to set up VNS3 with Cisco ASA ASDM 9.2 5.2.2 IPsec devices to get the most out of your VNS3 virtual network device.
Cohesive Networks Support Docs: VNS3 Configuration for CenturyLink Cloud Cohesive Networks
Use this VNS3 set up guide to get started in CenturyLink Cloud environments.
About VNS3:
VNS3 delivers cloud networking and NFV functionality for virtual and cloud environments. The VNS3 virtual network security appliance includes a router, switch, stateful firewall, VPN support (IPsec and SSL), and protocol redistributor, and extensible NFV optimized for all major cloud providers. VNS3 cloud networks are configured and managed through the VNS3 Manager web-based UI or resetful API.
VNS3 is available in: Amazon Web Services EC2, Amazon Web Services VPC, Microsoft Azure, CenturyLink Cloud, Google Compute Engine (GCE), Rackspace, IBM SoftLayer, ElasticHosts, Verizon Terremark vCloud Express, InterRoute, Abiquo, Openstack, Flexiant, Eucalyptus, Abiquo, HPE Helion, VMware (all formats), Citrix, Xen, KVM, and more.
VNS3 supports most IPsec data center solutions, including: Preferred Most models from Cisco Systems*, Juniper, Watchguard, Dell SONICWALL, Netgear, Fortinet, Barracuda Networks, Check Point*, Zyxel USA, McAfee Retail, Citrix Systems, Hewlett Packard, D-Link, WatchGuard, Palo Alto Networks, OpenSwan, pfSense, Vyatta, and any IPsec device that supports IKE1 or IKE2, AES256 or AES128 or 3DES, SHA1 or MD5, and most importantly NAT-Traversal standards.
Cohesive Networks Support Docs: VNS3 Setup for JuniperCohesive Networks
VNS3 Setup Guides for Popular Security Appliances (IPsec Configuration Instructions)
Learn how to set up VNS3 with SSG IPsec devices to get the most out of your VNS3 virtual network device.
Enterprise Border Session Controller (E-SBC) for Network Inter-Connectivity.
AnyConnect Gateway protects enterprise networks from attacks with topology hiding and provides secure delivery of SIP, voice, and video conferencing services. AnyConnect Gateway supports TLS encryption for secure SIP signaling and SRTP encryption and VPN connections for secure data transport with confidentiality, message authentication, and replay protection. Together these protocols protect voice, video conferencing, and unified communications from eavesdroppers, hackers and spoofers.
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
Do you want to learn how to model and simulate an electrical network from scratch in under an hour?
Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)!
During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook.
PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
- Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses;
The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
- For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.
Key Trends Shaping the Future of Infrastructure.pdfCheryl Hung
Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
The key trends across hardware, cloud and open-source; exploring how these areas are likely to mature and develop over the short and long-term, and then considering how organisations can position themselves to adapt and thrive.
PHP Frameworks: I want to break free (IPC Berlin 2024)Ralf Eggert
In this presentation, we examine the challenges and limitations of relying too heavily on PHP frameworks in web development. We discuss the history of PHP and its frameworks to understand how this dependence has evolved. The focus will be on providing concrete tips and strategies to reduce reliance on these frameworks, based on real-world examples and practical considerations. The goal is to equip developers with the skills and knowledge to create more flexible and future-proof web applications. We'll explore the importance of maintaining autonomy in a rapidly changing tech landscape and how to make informed decisions in PHP development.
This talk is aimed at encouraging a more independent approach to using PHP frameworks, moving towards a more flexible and future-proof approach to PHP development.
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Connector Corner: Automate dynamic content and events by pushing a buttonDianaGray10
Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
Your campaign sent to target colleagues for approval
If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
Join us to learn more about this new, human-in-the-loop capability, brought to you by Integration Service connectors.
And...
Speakers:
Akshay Agnihotri, Product Manager
Charlie Greenberg, Host
Search and Society: Reimagining Information Access for Radical FuturesBhaskar Mitra
The field of Information retrieval (IR) is currently undergoing a transformative shift, at least partly due to the emerging applications of generative AI to information access. In this talk, we will deliberate on the sociotechnical implications of generative AI for information access. We will argue that there is both a critical necessity and an exciting opportunity for the IR community to re-center our research agendas on societal needs while dismantling the artificial separation between the work on fairness, accountability, transparency, and ethics in IR and the rest of IR research. Instead of adopting a reactionary strategy of trying to mitigate potential social harms from emerging technologies, the community should aim to proactively set the research agenda for the kinds of systems we should build inspired by diverse explicitly stated sociotechnical imaginaries. The sociotechnical imaginaries that underpin the design and development of information access technologies needs to be explicitly articulated, and we need to develop theories of change in context of these diverse perspectives. Our guiding future imaginaries must be informed by other academic fields, such as democratic theory and critical theory, and should be co-developed with social science scholars, legal scholars, civil rights and social justice activists, and artists, among others.
Let's dive deeper into the world of ODC! Ricardo Alves (OutSystems) will join us to tell all about the new Data Fabric. After that, Sezen de Bruijn (OutSystems) will get into the details on how to best design a sturdy architecture within ODC.
Slack (or Teams) Automation for Bonterra Impact Management (fka Social Soluti...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on the notifications, alerts, and approval requests using Slack for Bonterra Impact Management. The solutions covered in this webinar can also be deployed for Microsoft Teams.
Interested in deploying notification automations for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
As AI technology is pushing into IT I was wondering myself, as an “infrastructure container kubernetes guy”, how get this fancy AI technology get managed from an infrastructure operational view? Is it possible to apply our lovely cloud native principals as well? What benefit’s both technologies could bring to each other?
Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
"Impact of front-end architecture on development cost", Viktor TurskyiFwdays
I have heard many times that architecture is not important for the front-end. Also, many times I have seen how developers implement features on the front-end just following the standard rules for a framework and think that this is enough to successfully launch the project, and then the project fails. How to prevent this and what approach to choose? I have launched dozens of complex projects and during the talk we will analyze which approaches have worked for me and which have not.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
All of this illustrated with link prediction over knowledge graphs, but the argument is general.
How world-class product teams are winning in the AI era by CEO and Founder, P...
Vpn
1. Cisco Configuration Professional
Configuration Professional: Site-to-Site IPsec VPN Between Two IOS Routers
Configuration Example
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Configuration
Network Diagram
Router A Cisco CP Configuration
Router B Cisco CP Configuration
Router B CLI Configuration
Verify
IOS Router - show Commands
Troubleshoot
Cisco Support Community - Featured Conversations
Related Information
Document ID: 113337
Introduction
This document provides a sample configuration for the LAN-to-LAN (Site-to-Site)
IPsec tunnel between two Cisco IOS
®
Routers using Cisco Configuration Professional
(Cisco CP). Static routes are used for simplicity.
Prerequisites
Requirements
Make sure that you meet this requirement before you attempt this configuration:
End-to-End IP connectivity must be established before starting this
configuration.
Components Used
The information in this document is based on these software and hardware versions:
Cisco 1841 Router with Cisco IOS Software Release 12.4(15T)
Cisco CP version 2.5
Note: Refer to Basic Router Configuration Using Cisco Configuration Professional in
order to allow the router to be configured by Cisco CP.
The information in this document was created from the devices in a specific lab
environment. All of the devices used in this document started with a cleared (default)
configuration. If your network is live, make sure that you understand the potential
impact of any command.
Conventions
Refer to the Cisco Technical Tips Conventions for more information on document
conventions.
Configuration
Network Diagram
This document uses this network setup:
HOME
SUPPORT
PRODUCT SUPPORT
CLOUD AND SYSTEMS
MANAGEMENT
CISCO CONFIGURATION
PROFESSIONAL
CONFIGURE
CONFIGURATION EXAMPLES AND
TECHNOTES
Configuration Professional:
Site-to-Site IPsec VPN
Between Two IOS Routers
Configuration Example
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2. Note: The IP addressing schemes used in this configuration are not legally routable
on the Internet. They are RFC 1918 addresses, which have been used in a lab
environment.
Router A Cisco CP Configuration
Router B Cisco CP Configuration
Router B CLI Configuration
Router A Cisco CP Configuration
Perform these steps in order to configure Site-to-Site VPN Tunnel on the Cisco IOS
Router:
Choose Configure > Security > VPN > Site-to-Site VPN, and click the radio
button next to Create a Site-to-Site VPN. Click Launch the selected task.
1.
Choose Step by step wizard in order to proceed with the configuration, and
click Next.
2.
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3. In the next window, provide the VPN Connection Information in the respective
spaces. Choose the interface of the VPN Tunnel from the drop-down menu.
Here, FastEthernet0 is chosen. In the Peer Identity section, choose Peer with
static IP address and provide the remote peer IP address. Then, provide the
Pre-shared Keys (cisco123 in this example) in the Authentication section.
Lastly, click Next.
3.
Click Add in order to add IKE proposals which specify the Encryption
Algorithm, Authentication Algorithm, and the Key Exchange Method.
4.
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4. Provide the Encryption Algorithm, Authentication Algorithm, and Key Exchange
method, and then click OK. The Encryption Algorithm, Authentication
Algorithm, and the Key Exchange method values should match with the data to
be provided in the Router B.
5.
Click Next.6.
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5. In this new window, the Transform Set details are provided. The Transform Set
specifies the Encryption and Authentication algorithms used to protect Data in
VPN Tunnel. Click Add in order to provide these details. You can add any
number of Transform Sets as needed by using this method.
7.
Provide the Transform Set details (Integrity and Encryption Algorithms), and
click OK.
8.
Choose the required Transform Set to be used from the drop-down menu, and
click Next.
9.
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6. In the following window, provide the details about the Traffic to be protected
through the VPN Tunnel. Provide the Source and Destination Networks of the
traffic to be protected so that the traffic between the specified source and
destination networks are protected. In this example, the Source network is
10.10.10.0 and the Destination network is 10.20.10.0. Click Next.
10.
Click Finish in the next window to complete the configuration on Router A..11.
Router B Cisco CP Configuration
Perform these steps in order to configure Site-to-Site VPN Tunnel on the Cisco IOS
Router (Router B):
Choose Configure > Security > VPN > Site-to-Site VPN, and click the radio
button next to Create a Site-to-Site VPN. Click Launch the selected task.
1.
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7. Choose Step by step wizard in order to proceed with the configuration, and
click Next.
2.
In the next window, provide the VPN Connection Information in the respective
spaces. Choose the interface of the VPN Tunnel from the drop-down menu.
Here, FastEthernet0 is chosen. In the Peer Identity section, choose Peer with
static IP address and provide the remote peer IP address. Then, provide the
Pre-shared Keys (cisco123 in this example) in the Authentication section.
Lastly, click Next.
3.
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8. Click Add in order to add IKE proposals which specify the Encryption
Algorithm, Authentication Algorithm, and the Key Exchange Method.
4.
Provide the Encryption Algorithm, Authentication Algorithm, and Key Exchange
method, and then click OK. The Encryption Algorithm, Authentication
Algorithm, and the Key Exchange method values should match with the data
provided in the Router A.
5.
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9. Click Next.6.
In this new window, the Transform Set details are provided. The Transform Set
specifies the Encryption and Authentication algorithms used to protect Data in
VPN Tunnel. Click Add in order to provide these details. You can add any
number of Transform Sets as needed by using this method.
7.
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10. Provide the Transform Set details (Integrity and Encryption Algorithms), and
click OK.
8.
Choose the required Transform Set to be used from the drop-down menu, and
click Next.
9.
In the following window, provide the details about the Traffic to be protected
through the VPN Tunnel. Provide the Source and Destination Networks of the
traffic to be protected so that the traffic between the specified source and
destination networks are protected. In this example, the Source network is
10.20.10.0 and the Destination network is 10.10.10.0. Click Next.
10.
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11. This window shows the summary of the Site-to-Site VPN configuration. Check
the Test VPN Connectivity after configuring checkbox if you want to test the
VPN connectivity. Here, the box is checked as the connectivity needs to be
checked. Click Finish.
11.
Click Start in order to check the VPN connectivity.12.
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12. In the next window, the result of the VPN connectivity Test is provided. Here,
you can see if the tunnel is Up or Down. In this example configuration, the
Tunnel is "Up", as shown in green.
This completes the configuration on the Cisco IOS RouterB and shows that the
tunnel is up.
13.
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13. Router B CLI Configuration
Router B
Building configuration...
Current configuration : 2403 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
no logging buffered
!
username cisco123 privilege 15 password 7 1511021F07257A767B
no aaa new-model
ip subnet-zero
!
!
ip cef
!
!
ip ips po max-events 100
no ftp-server write-enable
!
!--- Configuration for IKE policies.
!--- Enables the IKE policy configuration (config-isakmp)
!--- command mode, where you can specify the parameters that
!--- are used during an IKE negotiation. Encryption and Policy details are hidden
!--- as the default values are chosen.
crypto isakmp policy 2
authentication pre-share
!--- Specifies the pre-shared key "cisco123" which should
!--- be identical at both peers. This is a global
!--- configuration mode command.
crypto isakmp key cisco123 address 172.16.1.1
!
!
!--- Configuration for IPsec policies.
!--- Enables the crypto transform configuration mode,
!--- where you can specify the transform sets that are used
!--- during an IPsec negotiation.
crypto ipsec transform-set Router-IPSEC esp-des esp-sha-hmac
!
!--- Indicates that IKE is used to establish
!--- the IPsec Security Association for protecting the
!--- traffic specified by this crypto map entry.
crypto map SDM_CMAP_1 1 ipsec-isakmp
description Tunnel to172.16.1.1
!--- Sets the IP address of the remote end.
set peer 172.16.1.1
!--- Configures IPsec to use the transform-set
!--- "Router-IPSEC" defined earlier in this configuration.
set transform-set Router-IPSEC
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14. !--- Specifies the interesting traffic to be encrypted.
match address 100
!
!
!
!--- Configures the interface to use the
!--- crypto map "SDM_CMAP_1" for IPsec.
interface FastEthernet0
ip address 172.17.1.1 255.255.255.0
duplex auto
speed auto
crypto map SDM_CMAP_1
!
interface FastEthernet1
ip address 10.20.10.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet2
no ip address
!
interface Vlan1
ip address 10.77.241.109 255.255.255.192
!
ip classless
ip route 10.10.10.0 255.255.255.0 172.17.1.2
ip route 10.77.233.0 255.255.255.0 10.77.241.65
ip route 172.16.1.0 255.255.255.0 172.17.1.2
!
!
ip nat inside source route-map nonat interface FastEthernet0 overload
!
ip http server
ip http authentication local
ip http secure-server
!
!--- Configure the access-lists and map them to the Crypto map configured.
access-list 100 remark SDM_ACL Category=4
access-list 100 remark IPSec Rule
access-list 100 permit ip 10.20.10.0 0.0.0.255 10.10.10.0 0.0.0.255
!
!
!
!--- This ACL 110 identifies the traffic flows using route map
access-list 110 deny ip 10.20.10.0 0.0.0.255 10.10.10.0 0.0.0.255
access-list 110 permit ip 10.20.10.0 0.0.0.255 any
route-map nonat permit 10
match ip address 110
!
control-plane
!
!
line con 0
login local
line aux 0
line vty 0 4
privilege level 15
login local
transport input telnet ssh
!
end
Verify
Use this section to confirm that your configuration works properly.
The Output Interpreter Tool (registered customers only) (OIT) supports certain show
commands. Use the OIT to view an analysis of show command output.
IOS Router - show Commands
IOS Router - show Commands
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15. show crypto isakmp sa—Shows all current IKE SAs at a peer.
RouterB# show crypto isakmp sa
dst src state conn-id slot status
172.17.1.1 172.16.1.1 QM_IDLE 3 0 ACTIVE
show crypto ipsec sa—Shows all current IPsec SAs at a peer.
RouterB# show crypto ipsec sa
interface: FastEthernet0
Crypto map tag: SDM_CMAP_1, local addr 172.17.1.1
protected vrf: (none)
local ident (addr/mask/prot/port): (10.20.10.0/255.255.255.0/0/0)
remote ident (addr/mask/prot/port): (10.10.10.0/255.255.255.0/0/0)
current_peer 172.16.1.1 port 500
PERMIT, flags={origin_is_acl,}
#pkts encaps: 68, #pkts encrypt: 68, #pkts digest: 68
#pkts decaps: 68, #pkts decrypt: 68, #pkts verify: 68
#pkts compressed: 0, #pkts decompressed: 0
#pkts not compressed: 0, #pkts compr. failed: 0
#pkts not decompressed: 0, #pkts decompress failed: 0
#send errors 0, #recv errors 0
local crypto endpt.: 172.17.1.1, remote crypto endpt.: 172.16.1.1
path mtu 1500, ip mtu 1500
current outbound spi: 0xB7C1948E(3082917006)
inbound esp sas:
spi: 0x434C4A7F(1129073279)
transform: esp-des esp-sha-hmac ,
in use settings ={Tunnel, }
conn id: 2001, flow_id: C18XX_MBRD:1, crypto map: SDM_CMAP_1
sa timing: remaining key lifetime (k/sec): (4578719/3004)
IV size: 8 bytes
replay detection support: Y
Status: ACTIVE
inbound ah sas:
inbound pcp sas:
outbound esp sas:
spi: 0xB7C1948E(3082917006)
transform: esp-des esp-sha-hmac ,
in use settings ={Tunnel, }
conn id: 2002, flow_id: C18XX_MBRD:2, crypto map: SDM_CMAP_1
sa timing: remaining key lifetime (k/sec): (4578719/3002)
IV size: 8 bytes
replay detection support: Y
Status: ACTIVE
outbound ah sas:
outbound pcp sas:
show crypto engine connections active—Shows current connections and
information about encrypted and decrypted packets.
RouterB#show crypto engine connections active
ID Interface IP-Address State Algorithm Encrypt Decrypt
3 FastEthernet0 172.17.1.1 set HMAC_SHA+DES_56_CB 0 0
2001 FastEthernet0 172.17.1.1 set DES+SHA 0 59
2002 FastEthernet0 172.17.1.1 set DES+SHA 59 0
Troubleshoot
This section provides information you can use to troubleshoot your configuration.
The Output Interpreter Tool (registered customers only) (OIT) supports certain show
commands. Use the OIT to view an analysis of show command output.
Note: Refer to Important Information on Debug Commands and IP Security
Troubleshooting: Understanding and Using debug Commands before you use debug
commands.
debug crypto ipsec 7—Displays the IPsec negotiations of phase 2.
debug crypto isakmp 7—Displays the ISAKMP negotiations of phase 1.
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16. SubscribeStart A New Discussion
debug crypto ipsec—Displays the IPsec negotiations of phase 2.
debug crypto isakmp—Displays the ISAKMP negotiations of phase 1.
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Related Information
Cisco Configuration Professional Quick Start Guide
Requests for Comments (RFCs)
Technical Support & Documentation - Cisco Systems
Updated: Nov 30, 2011 Document ID: 113337
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