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Monday, February 10, 2014

Router basic Commands

Router basic Commands

Router>  user mode <basic operation>

Router# privilege mode <for show or display information>

Router(config)# global config. Mode <for configuring>

Router#show version
Cisco Internetwork Operating System Software
IOS (tm) PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 27-Apr-04 19:01 by miwang
Image text-base: 0x8000808C, data-base: 0x80A1FECC
ROM: System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE (fc1)
Copyright (c) 2000 by cisco Systems, Inc.
ROM: PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
System returned to ROM by reload
System image file is "flash:pt1000-i-mz.122-28.bin"
PT 1001 (PTSC2005) processor (revision 0x200) with 60416K/5120K bytes of memory
Processor board ID PT0123 (0123)
PT2005 processor: part number 0, mask 01
Bridging software.
X.25 software, Version 3.0.0.
4 FastEthernet/IEEE 802.3 interface(s)
2 Low-speed serial(sync/async) network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102

Router#erase startup-config
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
Erase of nvram: complete
%SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram

Proceed with reload? [confirm]    <enter press>


Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 31/31/32 ms

Type escape sequence to abort.
Tracing the route to

  1   *     32 msec   18 msec

Main(config)#hostname Chand-Mama    <router name changed>

Router#show running-config  <running configuration show from RAM>

Router#show startup-config  <save or startup-configuration show from NVRAM>

Router#show controllers serial2/0
Interface Serial2/0
Hardware is PowerQUICC MPC860
DCE V.35, clock rate 56000
idb at 0x81081AC4, driver data structure at 0x81084AC0