Difference between revisions of "Cisco IOS"
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| − | + | = Basic commands = | |
* <code>[[show version]]</code> or <code>sh ver</code> (includes [[uptime]] information) | * <code>[[show version]]</code> or <code>sh ver</code> (includes [[uptime]] information) | ||
* <code>[[show clock]]</code> | * <code>[[show clock]]</code> | ||
* <code>[[debug (IOS)|debug]]</code> | * <code>[[debug (IOS)|debug]]</code> | ||
| + | * <code>[[show platform]]</code> | ||
| + | * <code>[[show cdp neighbors]]</code> | ||
| − | Interfaces | + | == Interfaces == |
{{show interface TOC}} | {{show interface TOC}} | ||
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* interface Te1/0/1 | * interface Te1/0/1 | ||
| − | + | * <code>[[show mac address-table]] interface <switchport></code> | |
* <code>show ip [OPTION]</code> | * <code>show ip [OPTION]</code> | ||
* <code>[[show ip interface]]</code> | * <code>[[show ip interface]]</code> | ||
** <code>show ip interface brief</code> or <code>sh ip int br</code> | ** <code>show ip interface brief</code> or <code>sh ip int br</code> | ||
| − | * <code>enable</code> Logs into enable mode. Also known as user exec mode or privileged mode. See also: <code>show privilege</code> | + | * <code>[[enable]]</code> Logs into enable mode. Also known as user exec mode or privileged mode. See also: <code>[[show privilege]]</code> |
** <code>enable 5</code> Change to level 5 | ** <code>enable 5</code> Change to level 5 | ||
** <code>no enable password</code> | ** <code>no enable password</code> | ||
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* <code>include</code>, similar to <code>[[linux/Basic commands/grep|grep]]</code> linux command | * <code>include</code>, similar to <code>[[linux/Basic commands/grep|grep]]</code> linux command | ||
| + | == [[VLAN]] == | ||
* <code>[[show vlan]] [brief | id <vlan-id> | name <name> [ifindex] | <ifindex>]</code> | * <code>[[show vlan]] [brief | id <vlan-id> | name <name> [ifindex] | <ifindex>]</code> | ||
** <code>[[show vlan]]</code> | ** <code>[[show vlan]]</code> | ||
** <code>[[show vlan brief]]</code> or <code>[[sh vlan br]]</code> | ** <code>[[show vlan brief]]</code> or <code>[[sh vlan br]]</code> | ||
** <code>show vlan summary</code> or <code>[[sh vlan s]]</code> | ** <code>show vlan summary</code> or <code>[[sh vlan s]]</code> | ||
| + | * <code>[[show vtp status]]</code> | ||
| − | * | + | * [[IOS: Create a VLAN|Create a new VLAN]] |
| + | == [[show ip]] == | ||
* <code>[[show ip route]]</code> or <code>[[show ip route|sh ip ro]]</code> | * <code>[[show ip route]]</code> or <code>[[show ip route|sh ip ro]]</code> | ||
* <code>[[show ip arp]]</code> | * <code>[[show ip arp]]</code> | ||
* <code>[[show ip ssh]]</code> | * <code>[[show ip ssh]]</code> | ||
| − | * <code>show privilege</code> | + | |
| + | == [[Stacking]] == | ||
| + | * <code>[[show switch stack-ports]]</code> | ||
| + | |||
| + | == Users == | ||
| + | * <code>[[show privilege]]</code> | ||
* <code>[[username]]</code> Create and delete users | * <code>[[username]]</code> Create and delete users | ||
| − | * <code>[[show users]]</code> | + | * <code>[[Cisco IOS: show users]]</code> |
* <code>[[write]]</code> | * <code>[[write]]</code> | ||
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* <code>[[show crypto ca certificates]]</code> | * <code>[[show crypto ca certificates]]</code> | ||
| − | |||
| − | + | * <code>[[aaa new model]]</code> | |
| − | + | [[IOS: Access List (ACLs)]] | |
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| − | + | == HTTP Server == | |
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* <code>sh ip http server all</code> | * <code>sh ip http server all</code> | ||
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* <code>R1(config)#ip http authentication local</code> | * <code>R1(config)#ip http authentication local</code> | ||
* <code>R1(config)#ip http secure-server</code> | * <code>R1(config)#ip http secure-server</code> | ||
| + | |||
| + | == [[DHCP]] Server == | ||
| + | * <code>[[show ip dhcp binding]]</code> | ||
| + | |||
| + | == Memory == | ||
| + | * <code>[[show memory]]</code> | ||
| + | * <code>[[show memory platform]]</code> | ||
== Configuration Guides == | == Configuration Guides == | ||
| − | + | {{IOS activities}} | |
| − | |||
== Activities == | == Activities == | ||
| − | |||
# Read Cisco IOS command reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fundamentals/command/Cisco_IOS_Configuration_Fundamentals_Command_Reference.pdf | # Read Cisco IOS command reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fundamentals/command/Cisco_IOS_Configuration_Fundamentals_Command_Reference.pdf | ||
# Read Cisco IOS Cheat Sheet: https://www.netwrix.com/cisco_commands_cheat_sheet.html | # Read Cisco IOS Cheat Sheet: https://www.netwrix.com/cisco_commands_cheat_sheet.html | ||
# Configure a user with public key access [[Configure public RSA key authentication]] | # Configure a user with public key access [[Configure public RSA key authentication]] | ||
# [[Associate a user with default higher privileges]] using <code>[[username]]</code> command | # [[Associate a user with default higher privileges]] using <code>[[username]]</code> command | ||
| − | # [[IOS: Create a VLAN]] | + | # [[IOS: Create a VLAN|Create a new VLAN]] |
| + | # Use ansible: <code>[[ansible-galaxy install ansible-network.cisco_ios]]</code> | ||
| + | |||
| + | == Related terms == | ||
| + | * [[Secure Gateway OS (SGOS)]] | ||
| + | * [[iOS]] | ||
| + | * [[Cisco NX-OS]] | ||
== See also == | == See also == | ||
| + | * {{IOS}} | ||
* {{Networking}} | * {{Networking}} | ||
* {{Networking OS}} | * {{Networking OS}} | ||
Latest revision as of 08:39, 17 April 2024
Cisco Internetwork Operating System (IOS) is a family of network operating systems used on many Cisco Systems routers and current Cisco network switches
Contents
Basic commands[edit]
show versionorsh ver(includes uptime information)show clock
Interfaces[edit]
show interfaceshow interface linkshow interface status(enable or disabled)show interface statsshow interface summaryshow interface trunkshow interfaces switchport. To display the administrative and operational status of a switching (nonrouting) port, including VLANs. and switchport mode
show configurationorsh confshow running-configorsh runAn enable mode command that displays the current configurationconfigure terminalorconf tLogs you into configuration mode
switchport mode access|trunk
- interface Te1/0/1
show mac address-table interface <switchport>
show ip [OPTION]show ip interfaceshow ip interface brieforsh ip int br
enableLogs into enable mode. Also known as user exec mode or privileged mode. See also:show privilegeenable 5Change to level 5no enable password
show ip traffic
show tcp brief
show archive log config all
no shutdown. Enables an interface (brings it up).
show process
ip domain lookupno ip domain lookup
ip domain-lookupno ip domain-lookup
ip host HOSTNAME xx.xx.xx.xx(Similar to/etc/hosts)
- [no]
ip forward-protocol nd
ip route-cacheno ip route-cache
include, similar togreplinux command
VLAN[edit]
show vlan [brief | id <vlan-id> | name <name> [ifindex] | <ifindex>]show vlanshow vlan brieforsh vlan brshow vlan summaryorsh vlan s
show vtp status
show ip[edit]
Stacking[edit]
Users[edit]
usernameCreate and delete usersCisco IOS: show users
HTTP Server[edit]
sh ip http server all
R1(config)#ip http serverR1(config)#ip http authentication localR1(config)#ip http secure-server
DHCP Server[edit]
Memory[edit]
Configuration Guides[edit]
- IOS: Create a VLAN
- Change vlan configuration:
switchport mode access, switchport access vlan 4545 - Cisco IOS: enable an interface:
conf t,int XXXXXXno shutdown - Cisco IOS DHCP Server configuration
- Configure public RSA key authentication:
ip ssh pubkey-chain - Cisco IOS logging
Activities[edit]
- Read Cisco IOS command reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fundamentals/command/Cisco_IOS_Configuration_Fundamentals_Command_Reference.pdf
- Read Cisco IOS Cheat Sheet: https://www.netwrix.com/cisco_commands_cheat_sheet.html
- Configure a user with public key access Configure public RSA key authentication
- Associate a user with default higher privileges using
usernamecommand - Create a new VLAN
- Use ansible:
ansible-galaxy install ansible-network.cisco_ios
Related terms[edit]
See also[edit]
- Cisco IOS: Cisco IOS XE, Config (mode), VLANs, Cisco IOS logging, VTP, ACLs,
show logging,show logging history,show interface status,debug,archive,show archive,conf t,int,ip http server,ip ssh,ip address, vty,show mac address-table,show access-list, Access-list,ip access-group,admin - Networking: bandwidth, latency, Jitter, Ethernet, UPnP, MPLS, Frame Relay, ATM, TCP/IP, ARP, WiFi, BGP, Networking timeline, Router, Proxy ARP, Services & Networking
- Cisco IOS, PAN-OS, Junos OS, FortiOS
- OS: PAN-OS, FortiOS, SonicOS, IPFire, JunOS
- Cisco, Meraki, Cisco IOS, Cisco NX-OS, Cisco UCS, Cisco ACI, Cisco IOS XE, Cisco SD-access, AppDynamics, CCT, CCNA, CCNP, CCENT, Duo Mobile, Cisco Duo Mobile, Webex
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