Cisco Show Interface Brief

After unpacking the components and making all the connections, the technician starts the PC. Un comando de diagnóstico que no siempre apreciamos lo suficiente es show ip interface brief. Cisco Modes. this command only shows Layer 3 interfaces that too with specific to vrf only. Cisco IOS Show Commands in console Switch and Router cheat sheet full. cisco-iso-cheetsheet 2. If you request information for a specific object (for example, a specific zone, zone set, VSAN, alias, or even a keyword like brief or active), only information for the specified object is displayed. This is one of the most useful Cisco IOS commands because it allows you to quickly see all the interfaces on a Cisco device, their IP address, their method of configuration (manual, DHCP, TFTP, etc. la commande show ip interface : Permet de connaitre l'adresse IP d'une interface; la commande show ip interface brief : l'état d'une interface série liés au protocole RS232-C; la commande show ip route : Permet de visualiser la table de routage; la commande show interface status : Permet de voir l'état des ports du CISCO. dir where filesystem is bootflash, slot0, volatile, log, logflash, or system. Prerequisites: Install Cisco packet tracer on your PC for performing this lab. Cisco Command Juniper Command Co-Ordinating Definition; show run: sh configuration: Show running configuration: sh ver: sh ver: Show version: show ip interface brief: show interface terse: displays the status of interfaces configured for IP: show interface [intfc] show interfaces [intfc] detail: displays the interface configuration, status and. IP statistics about the interface are displayed with the command show ip interface. Switch show Commands. Uno de los comandos más utilizados es el comando show ip interface brief. This quick command shows the up or down state and ip address of all interfaces on the Cisco router. Show commands for ICND1 and ICND2. Especially helpful for simlet and teslet type questions. 1 3 of 4 S# show port-security address S# show port-security interface [fa0/1] S# show mac-address-table. This tutorial explains basic show commands (such as show ip route, show ip interfaces brief, show version, show flash, show running-config, show startup-config, show controllers, etc. CISCO is the authentication key encrypted in md5. In Cisco switch, brief summary of IP interface status and configuration can be displayed using command "show ip interface brief". Ethernet 1/5. It will show that interface. The show ip interface brief command is the most useful command to see what interfaces are on the router and what their names are. The most common IOS command to give us a clear picture of the switch interface is show interface or show interface description command. These generally indicate whether Layer 1 is. If a Cisco switch has one particular interface that's misbehaving this is always a good place to look. edit: I'm not sure show IP Interface brief commands will work, The MDS9000 is a SAN fiber switch, not a normal workstation switch. cisco WS-C2960-24TT-L (PowerPC405) processor (revision B0) with 65536K bytes of memory. ネットワーク入門サイトのshow loggingコマンドについて説明したページです。CiscoルータやCatalystのIOSでshow loggingコマンドを使い、ログを参照出来ます。又、ログの削除方法も示しています。. template Find file Copy path mullaneywt bug_fix: cisco_nxos_show_interface_brief - support for pvlan and fabr… 1d344ff Sep 29, 2019. Show IP OSPF Interface Brief. 0(2) (lanbasek9 image). I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". cisco_nxos_show_ipv6_interface_brief. How can I see which switchports are not in use? Show IP interface brief is my. The second command is the alias command. IOS Command #2 - show ip interface brief. Because all switch ports are initially in VLAN 1, by default, you can communicate with the switch using the IP address you configured for VLAN 1. SW1# show interface vlan 1 Shows the description of all interfaces; SW1# show interfaces description. You can view the list of interface using, show ip interface brief command as shown below. 1(3)N1(1):. show ip interface brief. Lab - Configuring Basic Router Settings with IOS Lab - Configuring Basic Router Settings with Use the show ip interface brief command on the router to. Wer mit Switchen und Routern der Firma Cisco arbeitet, hat mit Sicherheit das Kommando "show interface" schon oft benutzt. Posts about Cisco written by Jia Jing. "Show ip interface brief" displays management IPs. ntc-templates / templates / cisco_nxos_show_interface_brief. Alias, The Unsung Hero of the Cisco CLI. From above output we can see that connected device is a 2600 series router running IOS 12. 0 Please read also: Configure Cisco Router to Work With Cable Internet - Part 1. The output of the show ip interface brief command on R1 lists interface status codes of "down" and "down" for interface Serial 0/0. Symptom: Output of the "show ip interface brief" command cuts off longer IP addresses and/or subnet masks. The fundamentals of the Cisco IOS User Interface are as follows : Show running-config: This command displays the memory status of the. Set the configuration register back to 0x2102. This is the show ip interface brief command. Show IP OSPF Interface Brief. The only command I can suggest to you would be "show ip interface brief" which will not show you the speeds though. This command displays descriptive information for the specified VLAN, including private VLANs. What does the RESET mean. Cisco Switching/Routing :: 805 Show IP Interface Brief Protocol Down Feb 24, 2013. Display the current operational state of all ports with the list of connected users. 1x Configuration (continued) Feature Client timeout period Default Setting 30 seconds (when relaying a request from the authentication server to the client, the amount of time. show interfaces ethernet C. show interface brief. IOS, Release 15. Cisco CCNA training/Realworld video on how to use Show ip Interface brief command from http://www. The logs also show quite a bit of detail about what happened and this is useful for finding if an ACL has blocked your connection attempt for example. Here's an example: R1#show interfaces FastEthernet 0/0 FastEthernet0/0 is up, line protocol is up Hardware is Gt96k FE, address is c201. The show ip interface command is the full version of the show ip interface brief command and includes all of the settings that are IP specific, including IP address and mask information, access list configuration (ACL), type of switching used (how the IP traffic is processed by the device), and compression settings, among others. The show version command displays slightly different information depending on the type of device you use it on. 2] (this is an ELS version, not sure if it matters). Use the show ip interface composite-link name command to display information about the specified composite-link interface. show ip interface. If you specify a. template: Fix index ordering for Avaya & NXOS LLDP. CISCO MDS Show Commands Some useful CISCO MDS show commands. ntc-templates / templates / cisco_nxos_show_interface_brief. show interfaces status command September 6, 2018 January 19, 2019 upravnik The status of an interface on a Cisco switch can be checked using the show interface TYPE exec mode command. For enable secret passwords, we'll have to reassign another password and rewrite the startup config. Other routers, switches and Cisco IOS versions can be used. 4, respectively) and user satisfaction rating (97% vs. To display the usability status of interfaces configured for various IP addresses, use the show ip interface brief command in privileged EXEC mode. The output will contain Interface Name, IP-Address and Status. Here are what we think are the most important ones you need to know along with how to apply them to live Cisco equipment. Filtering output of show running-config and display current-configuration commands Motd Source interface for management communications a) Management Access ProVision Comware 5 Cisco ProVision> enable system-view System View: return to User View with Ctrl+Z. Layer by Layer Troubleshooting with a Cisco Router is to do a show ip interface. show mac address-table MAC address table show ip route routing table show interface g0/0 status, MAC, IP, etc. Basic Cisco IOS Commands Cheat Sheet by Tamaranth " Sho w" Commands Comm and Info rmation Displa yed show version IOS version, memory capacity, etc. Uno de los comandos más utilizados es el comando show ip interface brief. interface GigabitEthernet0/0 shutdown no nameif no security-level no ip address !. 7(3)M or 15. Output of show ip interface brief command on R1 lists interface status. Cisco Modes. In anticipation of that here is the top 10, to help you more quickly and easily navigate around your Cisco systems. Here you can match XMind vs. Show Interfaces IP Brief. Router#show ip interface brief. The Cisco IOS Router Interface Commands supported on this package are: Show Interface Description command This command displays each of the device's interface protocol status and alias. Because all switch ports are initially in VLAN 1, by default, you can communicate with the switch using the IP address you configured for VLAN 1. Do you know how to write expert script for telnet to 200 switches and run a command example: show ip. Displays statistics of fa0/0 interface. Routeur Cisco Aimery Tauveron Août 2016 Router# show ip interface brief 1. 1 Routage statique. Eine Alternative dazu bietet der Befehl show. S3 # configure terminal File Packet Tracer Pka Cisco Packet Tracer download 3. Join GitHub today. Eine Alternative dazu bietet der Befehl show. show ipv6 interface [brief] show ipv6 traffic. S1# show ip interface brief. Flashcards. Why this script? Information about systems in a local network is often distributed over several devices/sources. # alias exec s show ip interface brief. S1# show vlan brief VLAN Name Status Ports. The output will contain Interface Name, IP-Address and Status. To add a description to router interface, run the following command from router interface configuration mode. Use this command to view a brief summary of IP related information for the IAP interfaces. Solved: I had a very simple question. 0000 (bia c201. IOS, Release 15. Join GitHub today. The configuration of two interface(g1/19 and g1/20) is the same. VLAN Access Port Verification Commands – Show VLAN Brief. show ipv6 route Displays the IPv6 routing table. CLI Command. Cisco Discovery Protocol (CDP) : Router# show cdp neighbors Router# show cdp neighbors detail Router(config)# no cdp run Router(config-if)# no cdp enable. Das ist die Standardeinstellung eines Routers (nicht so am Switch). show ip interface brief shutdown [ edit ] Use the shutdown interface configuration command to disable an interface. show interfaces show ip interface brief Or for a specific interface. show ip interface brief. The commands for configuring interface VLANs are not visible until you enable this feature. Verifying Router Interfaces. For the server. Cisco onePK – a software development toolkit providing a common data model, common object model, and common API across Cisco platforms running IOS, IOS-XR, and NX-OS. Cisco Switching/Routing :: 805 Show IP Interface Brief Protocol Down Feb 24, 2013. 1x Configuration (continued) Feature Client timeout period Default Setting 30 seconds (when relaying a request from the authentication server to the client, the amount of time. Please see the below. The show ip interface command is the full version of the show ip interface brief command and includes all of the settings that are IP specific, including IP address and mask information, access list configuration (ACL), type of switching used (how the IP traffic is processed by the device), and compression settings, among others. show interfaces vlan 1 Browse other questions tagged cisco packet-tracer cli or ask your own. 10 commands you should master when working with the Cisco IOS Even more popular than show interface are show ip interface and show ip interface brief. Router#reload. Depending on the model and Cisco IOS version, the commands available and output produced might vary from what is shown in the labs. show int gi1/0/6 switchport. 0000 (bia c201. See the complete profile on LinkedIn and discover Brian’s. There are several commands that have been ported over to suit the needs of IPv6 on a Cisco router such as show ip interface brief for ipv6 is show ipv6 interface brief. We have a cisco switch: sg300 28 ports. Refer to the Router Interface Summary Table at the end of this lab for the correct interface identifiers. Pada posting perdana ini saya akan membahas tentang konfigurasi dasar router Cisco dengan tujuan untuk mengenal sintaq CLI (Command Line Interfaces) pada Cisco IOS (Internetwork Operating System) bagi yang pertama kali atau baru memulai belajar networking dengan Cisco Devices. Cisco Learning Network Community. 解説 ipに特化した情報を表示します。 オプション指定が無いときはすべてのインターフェースを表示します. Cumulus Linux includes a number of interface show commands to troubleshoot your switch. If you do a "show ip int br" does it shown int vlan 100 down? If so there are two…. Show Interfaces IP Brief. Cisco Modes. Cisco vs Juniper Commands / Cisco vs Nokia Commands / Cisco vs Huawei Commands On the left side of the Cheat Sheet pdf, you will find Cisco commands. 0000 (bia c201. 2 – show ip interface brief. but in a cisco papers i saw that protoocol is the status of routing protocol in that interface. CISCO is the authentication key encrypted in md5. I worked on numerous projects with regards to the toileting experience including icon graphics development for digital interfaces, ideation and development of products and. Show / Debugging Brief. On a Cisco ASA 5520 with a factory default config, a show run interface coughs up this information:. ) in the previous lessons, so you should be aware of this command. This example shows how to display a brief summary of interfaces configured as FabricPath interfaces on a switch that runs Cisco NX-OS Release 5. Displays brief information about FC interfaces 1 to 5 on a switch. very confusing Cisco centric command and I cant think of anyone else that has that command. We saw the show interfaces command. Uno de los comandos más utilizados es el comando show ip interface brief. Layer by Layer Troubleshooting with a Cisco Router is to do a show ip interface. First, the show ip interface brief command displays a summary of the interfaces and their status on the device. How to disable a router interface. The configured description can be viewed in the output of the "show interfaces" command. Displays brief information about all the interfaces on a switch. I would rather be able to ask for what I am looking for then have a cryptic interpretation of "reliability" Like Patrick says there are many port based commands that are real time where you can get port stats that auto refresh in real time. Basics of Cisco Switch Administration - Part 1. The show is issued on a Cisco WS-C6509-E in VSS Mode with IOS version 15. Dieses Tutorial beschreibt die Bedeutung der einzelnen Ausgaben und zeigt, wie der Admin das Kommando bei der Fehlersuche einsetzen kann. Cisco Discovery Protocol (CDP) : Router# show cdp neighbors Router# show cdp neighbors detail Router(config)# no cdp run Router(config-if)# no cdp enable. interface gi0/30 channel-group 30 interface po30 vpc 30 # switch 2 interface gi0/30 channel-group 30 interface po30 vpc 30. show ipv6 route Displays the IPv6 routing table. M Series,MX Series,T Series,EX Series,PTX Series,ACX Series. Cisco Modes. This command displays descriptive information for the specified VLAN, including private VLANs. EX: show run interface f0/1. It was suggested that I use the "show IP interface brief" command and "include pipe" the first three octets of the VIP to determine which VRF the address is located in. The shutdown command is currently configured for that interface. I ended up having to put the ip address on the interfaces that showed up which were two vlans even though the ASA 5505 has more ports than that. Cisco CCNA training/Realworld video on how to use Show ip Interface brief command from http://www. Which command is used to verify the DHCP relay agent address that has been set up on your Cisco IOS router? A. The shutdown command is currently configured for that interface. cisco-iso-cheetsheet 2. show interfaces. ccieadvisor. Cisco show command cheat sheet. Show ip interface brief: this command is used to check the interface summary such as if the interface is active or not , IP address assigned to the interface etc. Once complete, check the status of vPC by using the commands below. The first place to check to see an overview of the vPC setup and how it is running is via the command show vpc brief. When you want too look at basic information for all the ports, not just Ethernet, you use the "show interface brief" command. Configure LACP EtherChannel in Cisco IOS Switch. show ip interface brief: show interface terse: Displays IPv4 addresses per interface (in JunOS: IPv6 and ISO as well) show ip ospf database: show ospf database: Shows the OSPF database: show ip ospf neighbor: show ospf neighbor: Displays all OSPF neighbors: show ip ospf interface: show ospf interface: Shows OSPF informations for the interface. Displays brief information about all the interfaces on a switch. The command "show ip interfaces brief" is great for verifying and troubleshooting IP addresses assigned to interfaces. From above output we can see that connected device is a 2600 series router running IOS 12. 4, respectively) and user satisfaction rating (N/A% vs. Cisco Networking: Show Version Command on a Switch By Edward Tetz On any Cisco network component, the show version command is applicable to any of the hardware using Cisco Internetwork Operating System (IOS), including switches. Cisco> enable ProVision# [Comware5] Cisco# ProVision. It is used to administer Cisco network devices. show version IOS version, memory capacity, etc. Proporciona un resumen de la información. 1 # ntp authentication-key 1 md5 CISCO 1 # ntp authenticate Verifying synchronicity of the time. To display the administrative and operational status of a switching (nonrouting) port, use the show interfaces switchport command in user EXEC or privileged EXEC mode. Depending on the model and Cisco IOS version, the commands available and output produced might vary from what is shown in the labs. The next command on the list is the show ip interface brief command, usually abbreviated as show ip int br. Output of show ip interface brief command on R1 lists interface status. The following output is displayed for the show ip interface brief. The first place to check to see an overview of the vPC setup and how it is running is via the command show vpc brief. Network ip-address wildcard-mask: Defines the interface on which the eigrp. Now we're going to build on that configuration and create a proper topology diagram utilizing Cisco proprietary layer 2 protocol called CDP. CCNA Cheat Sheet This CCNA command 'cheat sheet' covers both ICND parts 1 & 2 and covers the current CCNA exam (640-802). Displays statistics of fa0/0 interface. For example: errors on an interface, bandwidth utilization, and interface speed. 6(3)M However the issue is not seen with 15. Here is an example: This command output is from a Cisco 2611 router. These modes execute different Cisco switch commands. CNA is a feature-rich tool and I cannot possibly. | Interface Grp Pri P State Active Standby Virtual IP Vl1 1 100 Active local 192. to see the status of your switch ports is to use the show interfaces. Here you will find technical information and professional networking opportunities, which will help advance your certification goals. interface GigabitEthernet0/0 shutdown no nameif no security-level no ip address !. For example, if I shutdown an interface, can I see the. Cisco 2960 Basic Configuration – VLAN Configuration Leading Cisco networking products distributor-3anetwork. IP statistics about the interface are displayed with the command show ip interface. These sources are not always all up to date. The show interfaces and show ip interface brief commands are both Cisco IOS commands that are used to see the status of router and switch interfaces. 1 3 of 4 S# show port-security address S# show port-security interface [fa0/1] S# show mac-address-table. Displays statistics of fa0/0 interface. Here is an example: This command output is from a Cisco 2611. Router# show ip interface brief Router# show ip interface. Cisco Chapter 11. You are also asking for brief output. I would like to be able to setup a expect script file that would remote into multiple switches. S1# show ip interface brief. show log: View the interface status of interface e0: show interface e0: Overview all interfaces on the router: show ip interfaces brief: View type of serial cable on s0: show controllers 0 (note the space between the 's' and the '0') Display a summary of connected cdp devices. How can I see which switchports are not in use? Show IP interface brief is my. Another thing to confirm is the state of the signals. show interfaces show ip interface brief Or for a specific interface. Below a show interface of a TenGigabitEthernet interface. I have setup vlan interfaces at. notes and reminders. Configure LACP EtherChannel in Cisco IOS Switch. IOS, Release 15. You may use other interfaces also. The following GRE configuration example is for Cisco ISR version 12. The "show interface" command on a Cisco IOS router or switch gives you a lot of information. Depending on the model and Cisco IOS version, the commands available and output produced might vary from what is shown in the labs. IP address of server 10. show interfaces. This is the show ip interface brief command. The show ip interface brief command will verify all VLANs are up (Status), but with a protocol down status as explained earlier:. Inter-VLAN Routing on the Nexus 5k. A technician is adding a new PC to a LAN. Show more Show less. SW1# show ip interface brief Shows detailed information about the specified interface, its status, protocol, duplex, speed, encapsulation, last 5 min traffic. It is very useful for troubleshooting purpose. #show ip cache flow and sh ip cache verbose flow These commands summarize the active flows and give an indication of how much NetFlow data the device is exporting Note: When access lists are used, all cisco routers or cisco switch must log failed network access attempts. com account to be viewed. Show ip route Display the Layer 2 to Layer 3 mapping of addresses on R1. Lots of times we are troubleshooting cisco switches connectivity and performance. Cisco Chapter 11. You can view the HSRP information for a specific interface with the following EXEC command: Router2#show standbyFastEthernet 1/0. 2 configured on the connected Serial0/0 interface. Verifying Router Interfaces. Show ip interface brief: this command is used to check the interface summary such as if the interface is active or not , IP address assigned to the interface etc. for Gigabit Ethernet 0/0 show ip interface brief nam e, IP, status, etc. Router#show ip interface brief. Last Updated on May 20, 2011. This quick command shows the up or down state and ip address of all interfaces on the Cisco router. Here you can match R2 Docuo vs. show interface counters brief. Cisco Router Show Commands - Handy show commands to check on the status of interfaces. The notion of a “network programming interface”. Maybe it sounds stupid but after hours of looking at cisco documentation i did not found a simple description. This example shows how to display a brief summary of interfaces configured as FabricPath interfaces on a switch that runs Cisco NX-OS Release 5. 4 or higher. These generally indicate whether Layer 1 is. show ip interface [brief] [インターフェース名] オプション brief・・・簡略化して表示します インターフェース名・・・表示するインターフェース名. To begin, go to the Configure tab with the big gear icon on it. Basic Cisco IOS Commands Cheat Sheet by Tamaranth " Sho w" Commands Comm and Info rmation Displa yed show version IOS version, memory capacity, etc. Cumulus Linux includes a number of interface show commands to troubleshoot your switch. To add a description to router interface, run the following command from router interface configuration mode. for example if you have to see management vrf interface, then you need to do a " sh ip int brief vrf management" If you do not specify any vrf, then Nexus will only show default vrf interfaces as shown below. If you are in the 'config' mode you must precede show command with the 'do' keyword as shown below:. 4 OSPF Configurationd’OSPF: Router(config)# router ospf process-id Router(config-router)# network network-address wildcard-mask area area-id. Configuration Example. However, different vendor, different command line. Note the following in the above display: • Ethernet 1/5 is a Layer 3-ready interface. Here is an example: This command output is from a Cisco 2611. After unpacking the components and making all the connections, the technician starts the PC. 3: SnabaynetworkingR1#show ip interface brief: Displays a summary of all IPv4 interfaces, including. Since these kinds of posts are useful as a reference for many people, I have decided to create also a Cisco Router Commands Cheat Sheet with the most useful and the most frequently used Command Line Interface (CLI) configuration commands for Cisco Routers. Use the show ip interface composite-link name command to display information about the specified composite-link interface. show int gi1/0/6 switchport. show ip interface brief: Shows a brief information about all interfaces on the router show controllers serial0/0: Detailed information about the selected serial interface interface serial0/0: Enters into interface configuration mode description LINK TO R1: Sets the description on the interface ip address 192. cisco WS-C2960-24TT-L (PowerPC405) processor (revision B0) with 65536K bytes of memory. Refer to the Router Interface Summary Table at the end of this lab for the correct interface identifiers. interface GigabitEthernet0/0 shutdown no nameif no security-level no ip address !. information on the particular interface as well as the interfaces administrative and operational mode (access or trunk mode). There are several commands that have been ported over to suit the needs of IPv6 on a Cisco router such as show ip interface brief for ipv6 is show ipv6 interface brief. show ip interface brief. Interface Lo10 is a Layer 3 loopback interface. This command displays descriptive information for the specified VLAN, including private VLANs. = = 1 coll) frames The total number of frames which experience IOS sh interfaces and sh interfaces counters errors. · Router Name# config t enable password cisco enter. Cisco IOS Quick Reference Cheat Sheet 2. 0(2) (lanbasek9 image). Bug details contain sensitive information and therefore require a Cisco. CLI Command. The commands for configuring interface VLANs are not visible until you enable this feature. For example you often use the command show ip interface brief, you can make an alias of it to be "ship". SW1# show ip interface brief Shows detailed information about the specified interface, its status, protocol, duplex, speed, encapsulation, last 5 min traffic. show ip interface brief. A brief output of show ? is shown in the picture below. This command will show information such as the incoming and outgoing access list, the IP address and the network mast. which by the way is explicitly stated as 1514 when we do the show interface ge both Cisco boxes agree on the maximum ping. The Cisco Network Assistant (CNA) is a free graphics tool included when you purchase a new switch. AfficherlatableARP Router# show standby [brief] CréerunDHCP Router (config)# ip. show ip interface briefコマンド ルータが装備している全てのインタフェースのステータスを表示するコマンドには、「show interfaces」コマンドがあるのですが、このコマンドの出力が、少々長いのが難点です。. This vulnerability affects Cisco IOS XE Software if the device has an interface on which UTD with an IPv6 address is enabled and if the device is configured with the Snort IPS feature of Cisco UTD, the URL-based filtering feature of Cisco UTD, or both. show interface counters brief. Displays brief information about FC interfaces 1 to 5 on a switch. show version. this command will display a summary of the interfaces on a divice. Here is an example: This command output is from a Cisco 2611. Web conferencing, cloud calling and equipment. show interface brief 1-50 show interface capabilities 1-51 show interface debounce 1-53 show interface ethernet 1-54 show interface loopback 1-57 show interface port-channel 1-60 show interface mac-address 1-62 show interface status err-disabled 1-64 show interface switchport 1-65 show interface transceiver 1-66 show ip nat translation 1-68. show ipv6 interface; show ipv6 interface brief; and the output didn't show you the automatically created EUI-64 Link Local address. Cisco switch Link status Up, Protocol down. Cisco Modes. I have always come across either UP/UP; Down/Down or UP/Down. com # end Switch # show vlan brief Switch # copy. CISCO MDS Show Commands Some useful CISCO MDS show commands. Output of show ip interface brief command on R1 lists interface status. Posts about Cisco written by uclord. Show flash: This command displays the files and directories in the flash of the Cisco switch Show interfaces: This command displays the detailed information about all the interfaces of the Cisco switch Show interfaces fast Ethernet 0/x: This command displays the detailed information about the specific interface of the Cisco switch. CCNA Cheat Sheet This CCNA command ‘cheat sheet’ covers both ICND parts 1 & 2 and covers the current CCNA exam (640-802). Switch show Commands. com -100's of Videos on Cisco IOS. 2 is a Layer 3 subinterface; however, the interface is not ready for Layer 3 configuration (Status—down). Router#show ip ospf interface brief. Router#show ip interface brief.