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| − | = Basic commands = | + | == 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) | ||
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* <code>[[debug (IOS)|debug]]</code> | * <code>[[debug (IOS)|debug]]</code> | ||
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| − | + | Interfaces: | |
| − | + | * <code>show interfaces</code> | |
| + | * <code>[[show interface link]]</code> | ||
| + | * <code>[[show interface status]]</code> | ||
| + | * <code>[[show interface trunk]]</code> | ||
| + | * <code>[[show interfaces switchport]]</code>. To display the administrative and operational status of a switching (nonrouting) port | ||
* <code>[[show configuration]]</code> or <code>sh conf</code> | * <code>[[show configuration]]</code> or <code>sh conf</code> | ||
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* interface Te1/0/1 | * interface Te1/0/1 | ||
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* <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> | + | * <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> | ||
* <code>show ip traffic</code> | * <code>show ip traffic</code> | ||
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* <code>[[show logging]]</code> | * <code>[[show logging]]</code> | ||
** <code>[[show logging history]]</code> | ** <code>[[show logging history]]</code> | ||
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* <code>[[no shutdown]]</code>. Enables an interface (brings it up). | * <code>[[no shutdown]]</code>. Enables an interface (brings it up). | ||
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* <code>[[ip dns]]</code> | * <code>[[ip dns]]</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 | ||
| − | + | * <code>show vlan [brief | id <vlan-id> | name <name> [ifindex] | <ifindex>]</code> | |
| − | * <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> | ||
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| − | * [[ | + | * <code>[[aaa new model]]</code> |
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* <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> | |
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| − | * <code> | ||
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* <code>[[username]]</code> Create and delete users | * <code>[[username]]</code> Create and delete users | ||
| − | * <code>[[ | + | * <code>[[show users]]</code> |
* <code>[[write]]</code> | * <code>[[write]]</code> | ||
* <code>[[show crypto ca certificates]]</code> | * <code>[[show crypto ca certificates]]</code> | ||
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| + | * <code>[[show vtp status]]</code> | ||
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| + | === Access List === | ||
| + | Configuring IP Access Lists: https://www.cisco.com/c/en/us/support/docs/security/ios-firewall/23602-confaccesslists.html#acltypes | ||
| + | |||
| + | Types of ACLs: Standard ACLs, Extended ACLs, Lock and Key (Dynamic ACLs), IP Named ACLs, Reflexive ACLs, Time-Based ACLs Using Time Ranges, Commented IP ACL Entries, Context-Based Access Control, Authentication Proxy, Turbo ACLs, Distributed Time-Based ACLs, Receive ACLs, Infrastructure Protection ACLs, Transit ACLs. | ||
| + | |||
| + | * <code>show access-list</code> | ||
| + | * <code>show ip access-list</code> | ||
| + | * <code>router(config)#access-list 101 deny icmp any any</code> | ||
| + | * <code>router(config)#access-list 101 permit ip any any</code> | ||
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| + | * <code>router(config)#ip access-list extended test</code> | ||
| + | * <code>router(config-ext-nacl)#permit ip host 2.2.2.2 host 3.3.3.3</code> | ||
| + | * <code>router(config-ext-nacl)#permit tcp host 1.1.1.1 host 5.5.5.5 eq www</code> | ||
| + | * <code>router(config-ext-nacl)#permit icmp any any</code> | ||
| + | * <code>router(config-ext-nacl)#permit udp host 6.6.6.6 10.10.10.0 0.0.0.255 eq domain</code> | ||
| − | * <code> | + | * <code>ip access-group</code> |
| − | [[ | + | |
| + | * <code>[[copy running-config startup-config]]</code> | ||
| − | == HTTP Server == | + | === HTTP Server === |
* <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> | ||
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== Configuration Guides == | == Configuration Guides == | ||
| − | + | * [[Cisco IOS DHCP Server configuration]] | |
| + | * [[Configure public RSA key authentication]]: <code>[[Cisco IOS/Configure public RSA key authentication|ip ssh pubkey-chain]]</code> | ||
== Activities == | == Activities == | ||
| + | # Read wikipedia article about [[w:Cisco IOS|Cisco Internetwork Operating System]] | ||
# 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 |
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== See also == | == See also == | ||
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* {{Networking}} | * {{Networking}} | ||
* {{Networking OS}} | * {{Networking OS}} | ||
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