..:::TeknoCinim:::..

Temel Cisco IOS Komutları

Temel Cisco IOS Komutları

IOS Basics

Router>? – Display the help menu

Router>enable – Enter privileged EXEC mode

Router#disable – Exit privileged mode to go back to user EXEC mode

exit – Exit from any mode

Router#reload – Restart the router

Router#trace 19.0.0.1 – Send a trace route to IP address 19.0.0.1

Router#ping 1.0.0.2 – Send a ping request to the IP address 1.0.0.2

Router#ping 172.16.0.1 source loopback 1 – Ping the IP 172.16.0.1 with a source IP address of the loopback 1 interface

Router#show version – Shows information about the router, including the configuration register value

Router#show startup-config – Displays the startup configuration

Router#show running-config – Displays the running configuration

Router#copy running-config startup-config – Save the running configuration to the startup configuration

Router#config terminal – Enter global configuration mode

Router(config)#hostname NewYork – Change the system’s network name to NewYork

Router(config)#enable password cisco – Set the enable password to cisco

Router(config)#enable secret cisco123 – Set the enable secret password to cisco123

Router(config)#banner motd # Property of InternetworkTraining.com # – Configure a message of the day banner

Router(config)#config-register 0x2142 – Change the config register to ignore contents of NVRAM

Router(config)#line console 0 – Configure the line console

Router(config-line)#login – Enable password checking in line configuration mode

Router(config)#line aux 0 – Configure the auxiliary line

Router(config)#line vty 0 4 – Configure the virtual terminal lines

Configuring Router Interfaces

Router#config terminal – Enter global configuration mode

Router(config)#interface s0/0 – Configure the serial 0/0 interface

Router(config-if)#ip address 13.0.0.1 255.0.0.0 – Assign an IP address and subnet mask to an interface

Router(config-if)#clock rate 64000 – Configure a clock rate on a DCE interface

Router(config-if)#no shutdown – Bring up the interface

Configure Static and Default Routes

Router(config)#ip route 13.0.0.0 255.0.0.0 s0 – Create a static route to 13.0.0.0/8 network via Serial 0 interface

Router(config)#ip route 0.0.0.0 0.0.0.0 null0 – Create a default route and send all default traffic to the ‘bit bucket’

Router#show ip protocols – View routing protocol information on the router

Router#show ip route – View the contents of the routing table.

Router#show interface s0/0 – Show details about the interface s0/0 (Serial 0/0)

Configure RIP Routing Protocol

Router(config)#router rip – Configure the RIP routing protocol

Router(config-router)#network 15.0.0.0 – Assign a network to RIP

Router(config-router)#version 1 – Explicitly state you want to use RIP version 1

Router(config-router)#version 2 – Explicitly state you want to use RIP version 2

Router>show ip route – View the contents of the routing table.

Router>show ip route rip – View the routes in the routing table discovered by RIP.

Configure EIGRP Routing Protocol

Router(config-if)#bandwidth 1 – Change the bandwidth parameter used by EIGRP for the interface to 1kbps

Router(config)#router eigrp 10 – Enable EIGRP routing protocol for autonomous system 10

Router(config-router)#network 15.0.0.0 – Tell EIGRP what networks to advertise

Router#show ip route eigrp – Display routes discovered only by the EIGRP protocol

Configure OSPF Routing Protocol

Router(config-if)#ip ospf priority 10 – Set the priority which will determine the designated OSPF router

Router(config-if)#ip ospf cost 25 – Manually set the OSPF link cost

Router(config)#router ospf 10 – Enable OSPF routing protocol using a process ID of 10

Router(config-router)#network 172.16.1.0 0.0.0.255 area 0 – Advertise a network using OSPF and assign it to area 0

Router(config-router)#default-information originate – Allow default routes to be propagated

Router#show ip ospf neighbor – View the OSPF neighbors

Router#show ip ospf – View general information about the OSPF routing processes

Router#show ip ospf interface – View the OSPF protocol information for the interfaces on the router

Router#show ip ospf interface loopback1 – View the OSPF protocol information for the loopback1 interface

Configuring IP Access Lists

Router(config)#ip access-list extended BLOCK_TELNET_TFTP – Configure an extended named access control list called BLOCK_TELNET_TFTP

Router(config-ext-nacl)#deny tcp any any eq telnet – Deny all telnet packets from any source with any destination

Router(config-ext-nacl)#deny udp any host 172.16.0.2 eq tftp – Deny any TFTP traffic from any host with the destination 172.16.0.2

Router(config-ext-nacl)#permit ip any any – Permit any IP traffic

Router(config-if)#ip access-group BLOCK_TELNET_TFTP out – Assign a named access control list called BLOCK_TELNET_TFTP to an outbound interface

Router(config)#ip access-list standard 10 – Configure a standard access control list and assign it the number 10

Router(config-std-nacl)#deny host 192.168.0.2 – Deny all traffic from host 192.168.0.2

Router(config-std-nacl)#permit any – Permit any traffic

Router(config-if)#ip access-group 10 out – Assign a numbered access control list 10 to an outbound interface

Configuring NAT (Network Address Translation)

Router(config-if)#ip nat inside – Associate an interface as being inside a network

Router(config-if)#ip nat outside – Associate an interface as being outside a network

Router(config)#ip nat inside source static 192.168.0.1 68.10.150.1 – Configure a static NAT mapping from the inside local IP address 192.168.0.1 to the inside global IP 68.10.150.1

Router(config)#no ip nat inside source static 192.168.0.1 68.10.150.1 – Remove the static NAT mapping created earlier

Router(config)#ip access-list standard NAT_ADDRESSES – Create a standard named ACL

Router(config-std-nacl)#permit 192.168.0.1 0.0.0.0 – Permit the IP address 192.168.0.1

Router(config)#ip nat inside source list NAT_ADDRESSES interface serial0 overload – Create an overloaded NAT mapping using the access control list called NAT_ADDRESSES and assign it to the inside global interface.

Router#show ip nat translations – View the NAT translations table to view static and dynamic mappings

Router#show ip nat statistics – View the NAT statistics

Configuring PPP

Router(config)#username internetwork password cisco – Specify the username and password that is to be used with authentication

Router(config-if)#encapsulation ppp – Set the encapsulation to PPP

Router(config-if)#ppp authentication pap – Set PPP authentication to use PAP

Router(config-if)#ppp authentication chap – Set PPP authentication to use CHAP

Router(config-if)#ppp pap sent-username internetwork password cisco – Specify what username and password the client should use to authenticate when connecting to the server using PAP

Configuring Frame Relay

Router(config-if)#encapsulation frame-relay – Change the serial interface encapsulation to

Frame Relay

Router(config-if)#frame-relay lmi-type cisco – Change the LMI type to Cisco

Router(config-if)#no frame-relay inverse-arp – Disable Inverse ARP

Router(config-if)#frame-relay map – Create manual IP-to-DLCI mapping

Router#show frame-relay lmi – Displays statistics about LMI

Router#show frame-relay map – Show current Frame Relay map entries

Router#show frame-relay pvc – Displays Frame Relay interface statistics for permanent virtual circuits

Configuring IPv6

Router(config)#interface FastEthernet 0/0 – Configure the fast Ethernet 0/0 interface

Router(config-if)#ipv6 address 2001:cdba:0000:0000:0000:0000:0000:0001/64 – Assign an IPv6 address to an interface

Router(config-if)#ipv6 enable – Enable IPv6 addressing on an interface without specifying the IPv6 address

Router(config)#show ipv6 interface brief – Show the IPv6 addresses for all interfaces

Router#show int fa0/0 | inc bia – Show the interface fast Ethernet 0/0 burned in address (bia)

Router>ping 2001:cdba::2 – Ping an IPv6 address

Switch IOS Commands

Switch#dir flash: – Displays the contents of flash memory

Switch#dir nvram: – Displays the contents of NVRAM

Switch#dir system: – Displays the contents of RAM

Switch#dir all-filesystems – Displays the contents of all the switch memory banks

Switch#show boot – Shows the boot options

Switch#erase startup-config – Erases the startup configuration

Switch(config)#interface vlan1 – Enters vlan1 interface configuration

Switch(config)#ip default-gateway 192.168.75.1 – Sets the default gateway

Switch(config)#interface fastEthernet 0/3 – Enters interface configuration mode for fa0/3

Switch(config)#switchport mode access – Assigns the port to access mode

Switch(config)#switchport port-security – Enables port security on the port

Switch(config)#switchport port-security maximum 1 – Specifies the maximum hosts that can connect to the port

Switch(config)#switchport port-security mac-address sticky – Specifies that the first host to connect will ‘stick’ to the port

Switch(config)#switchport port-security violation shutdown – Specifies what will happen if a port violation occurs

Switch#show port-security – Shows a summary of the ports and security on those ports

Switch#show port-security address – Shows the secure MAC address table

Switch#show mac-address-table – Displays the MAC address table

Switch#show port-security interface fastEthernet 0/3 – Shows the port security settings for interface fa0/3

Configuring VLANs

Switch(config)#show vlan – Display current VLANs

Switch(config)#vlan 10 – Create a VLAN with the number 10

Switch(config)#name sales – Give the VLAN a name “sales”

Switch(config-if)#switchport access vlan 10 – Assign an interface to VLAN 10

Switch(config)#vtp domain CCNA – Set the VTP domain to “CCNA”

Switch(config)#vtp mode server – Set the switch VTP mode to server

Switch(config)#vtp mode client – Set the switch VTP mode to client

Switch(config-if)#switchport mode trunk – Set a switch interface to trunk mode

Switch#show vtp status – View the VTP status on a switch

Switch#show spanning vlan 1 – Display the spanning tree information for VLAN 1

Switch#show vlan brief – Display basic VLAN information

Configuring EtherChannel

Switch(config-if)#channel group 1 mode on – Assign a physical interface to a port-channel

Switch#show interface port-channel 1 – Display information about the EtherChannel

Switch#show interface trunk – Displays the trunk information on the switch

Switch#show etherchannel 1 – Verify EtherChannel 1 status

Configuring STP (Spanning Tree Protocol)

Switch#show spanning-tree vlan 1 – Show details about the spanning tree instance on VLAN1

Switch#show spanning-tree int fa0/10 – Show details about the spanning tree for a particularport

Switch(config)#spanning-tree vlan 1 priority 4096 – Change the bridge priority on VLAN 1

Switch(config)#no spanning-tree vlan 1 – Disable spanning tree protocol

ZİYARETÇİ YORUMLARI

Henüz yorum yapılmamış. İlk yorumu aşağıdaki form aracılığıyla siz yapabilirsiniz.

BİR YORUM YAZ

This site uses Akismet to reduce spam. Learn how your comment data is processed.