I’m sure we’ve all seen people invert the default and host IP address. switch(config)#ip default-gateway 1.1.1.1. The security checklist below is not exhaustive but it includes the most important commands and configurations that will lock down a Cisco IOS network device and enhance its security and that of the whole network as well. Post navigation . 02/28/2019; 11 Minuten Lesedauer; In diesem Artikel. SASE promises a secure, faster, and more manageable alternative.One of the biggest lessons from the pandemic for network leaders is that greater simplicity must be an obsession.While current networks have adapted to today’s virtual world, there is a dire need for future networks to extend their capabilities and deliver more value.By automating tasks that were formerly done by humans, IT teams are freed up to focus on more strategic projects that they are uniquely able to address. This also include specific items such as BODU blocking and manually configuring Priority values. shutdown. If your switch supports it, I always enable DHCP for the installation since the network connection to the production DHCP server may not be available. After the switch is installed and powered on, the network staff can remote in and ‘push’ the final configuration to the switch. Device such as switches, routers, and firewalls may be in secured locations or offsite so knowing what is connected to speeds up troubleshooting. Your email address will not be published. Don’t forget to put descriptions on your VLAN interfaces, if your device supports it. Let’s look at these items in more detail. This also covers other monitoring protocols Netflow, RMON, and more. Write mem . Solved: Hi, Wondering if anyone has seen a cheat sheet/checklist when initally configuring a new switch or router. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Copyright © 2020 Informa PLC. In some specific cases, I disabled spanning tree but refer to your design document. In most cases, contiguous IP subnets are preferred. All these points should be confirmed and reviewed during support and configuration changes. Number 8860726.Due to COVID-19, SD-WAN's heyday may be winding down. There are five configurations a network administrator should apply to a newly provisioned switch or router. It is very important to figure out as much of this in advance for your IP subnetting design. Some round robin between destination IP address, or treat it as a fail over, or load balance based on all sorts of options. or. There are many options, from manually backing up configurations, to scripts and finally applications that will back up whenever changes are made.Then there is other forms of access like HTTP/HTTPS, Telnet/SSH, API’s, and vendor specific applications/protocols. to set a time for admin console to log off)enable secret abc (encrypted password for console and telnet to enter/enable privilege mode)enable password abc (clear text, no encrypted password for console and telnet to enter/enable privilege mode)If none above enabled, a user can log into console and access the privilege mode without using a password. Do not solely rely on vendor discovery protocols since they may not be compatible with all equipment and you never know what devices will send them out. Leave a Reply Cancel reply. Thank you, John The checklist below applies to both Cisco Routers and Switches as well. Items to cover include DHCP, routing, VLANs, Spanning Tree, passwords, and more. Logon Banner; Banner motd ^abc^ Saving configurations; copy running-config startup-config. Whether COVID-19 causes your organization to return to work-from-home or not, here are some remote work tips for managers and employees. A Telnet user can use the telnet password to access and enter the privilege mode.note : service password-encryption (encrypt lin con & line vty pw) Advantage of using secret option over password option is that in secret option password is stored in MD5 encryption format while in password option password is stored in plain text format. Although application of these configurations may seem like common sense, 90% of devices I see are missing at least one of these settings, and about 75% are missing two or more. Pay attention to those scenarios where you may have two or more default routes since every vendor treats this differently. note : service password-encryption (encrypt lin con & line vty pw) show ip interface brief. In this article I will assume the general design has been sorted out and will go to the configuration phase. You get an IP address and password configured.My checklist of items to configure will be based on the client design documentation. That way the vendor isn’t always asking for a static IP when on site or guessing and causing a duplicate IP address situation. My checklist of items to configure will be based on the client design documentation. Cisco Access Control List Edit Tips; PXE booting with WDS using IP Helpers in different Subnet; Posted October 7, 2016 by RayL in category "Cisco. Protocol access involves allowing access to specific protocols, IP addresses, or IP subnets.I can’t stress enough how important descriptions are for ALL devices when possible. You should check your equipment manual to see if your device supports some advanced features like incorrect login lockouts/accounting/alerts.
Switch(config)#username [Username] password[test123] Or Switch(config)#username [Username] secret[test123] Both commands do same job. In specific scenarios, I actually disable discovery protocols from untrusted or public ports or networks since a lot of important information is being sent out all ports in clear text. Figure out your password naming convention, how often it will change, and if you must include any authentication servers like Radius TACAS+.
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