网络技能tips

3. 合并FLASH

erase flash:2
conf t
part flash 1
config 0x101
exit
write memory
sh flas

4. CISCO2600路由器配置信息无法保存,怎样办？这样办:

System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
Copyright (c) 1999 by cisco Systems, Inc.
TAC:Home:SW:IOS:Specials for info
C2600 platform with 24576 Kbytes of main memory
program load complete, entry point: 0x80008000, size: 0x371d9c
PC = 0xfff0a530, Vector = 0x500, SP = 0x817ffeb0
--------------按Ctrl+Break------------
monitor: command "boot" aborted due to user interrupt
rommon 1 > confreg 　　　　　　　　　　　　　　　　　　　　　

Configuration Summary
enabled are:
use all zero broadcast
break/abort has effect
ignore system config info
console baud: 9600
boot: image specified by the boot system commands
or default t cisco2-C2600

do you wish to change the configuration? y/n [n]: y　　　　　--------输入y
enable "diagnostic mode"? y/n [n]: 　　　　　　　　　　　　　--------回车
enable "use net in IP bcast address"? y/n [n]:　　　　　　　 ---------回车
enable "load rom after netboot fails"? y/n [n]: 　　　　　　 ---------回车
disable "use all zero broadcast"? y/n [n]: 　　　　　　　　　---------回车
disable "break/abort has effect"? y/n [n]: 　　　　　　　　　---------回车
disable "ignore system config info"? y/n [n]: y　　　　　　　---------输入y,然后回车
change console baud rate? y/n [n]: 　　　　　　　　　　　　 ---------回车
change the boot characteristics? y/n [n]: 　　　　　　　　　---------回车

Configuration Summary
enabled are:
use all zero broadcast
break/abort has effect
console baud: 9600
boot: image specified by the boot system commands
or default t cisco2-C2600

do you wish to change the configuration? y/n [n]: 　　　　---------回车

You must reset or power cycle for new config to take effect
rommon 2 > reset 　　　　　　　　　　　　　　　　　　　　---------输入reset,然后回车

System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
Copyright (c) 1999 by cisco Systems, Inc.
TAC:Home:SW:IOS:Specials for info
C2600 platform with 24576 Kbytes of main memory

program load complete, entry point: 0x80008000, size: 0x371d9c
Self decompressing the image : #################################################

.....系统恢复正常.....

5.共享一个CISCO未公开的命令 “if-con”

--------------------------------------------------------------------------------

　　On Cisco 7500 you can connect you to the VIP boards for VIP commands (memory, cpu, etc.)
　　Router#if-con 2 con
　　Entering CONSOLE for VIP2 2
　　Type "^C^C^C" or "if-quit" to end this session
　　
　　VIP-Slot2>
　　VIP-Slot2>?
　　Exec commands:
　　clear Reset functions
　　disable Turn off privileged commands
　　disconnect Disconnect an existing network connection
　　enable Turn on privileged commands
　　exit Exit from the EXEC
　　help Description of the interactive help system
　　lock Lock the terminal
　　login Log in as a particular user
　　logout Exit from the EXEC
　　name-connection Name an existing network connection
　　ping Send echo messages
　　resume Resume an active network connection
　　set Set system parameter (not config)
　　show Show running system information
　　systat Display information about terminal lines
　　terminal Set terminal line parameters
　　traceroute Trace route to destination
　　where List active connections
　　
　　VIP-Slot2>en
　　VIP-Slot2#sh ver
　　Cisco Internetwork Operating System Software
　　IOS (tm) VIP Software (SVIP-DW-M), Version 12.0(7), RELEASE SOFTWARE (fc1)
　　Copyright (c) 1986-1999 by cisco Systems, Inc.
　　Compiled Wed 13-Oct-99 22:05 by phanguye
　　Image text-base: 0x60010920, data-base: 0x60224000
　　
　　ROM: System Bootstrap, Version 11.1(11368) [pgreenfi 17], INTERIM SOFTWARE
　　
　　VIP-Slot2 uptime is 10 minutes
　　System restarted by power-on
　　Running default software
　　
　　cisco VIP2 (R4700) processor (revision 0x02) with 8192K bytes of memory.
　　Processor board ID 00000000
　　R4700 processor, Implementation 33, Revision 1.0 (512KB Level 2 Cache)
　　4 Ethernet/IEEE 802.3 interface(s)
　　1 FastEthernet/IEEE 802.3 interface(s)
　　
　　Configuration register is 0x0
　　VIP-Slot2#?
　　Exec commands:
　　cd Change current directory
　　clear Reset functions
　　clock Manage the system clock
　　configure Enter configuration mode
　　copy Copy from one file to another
　　debug Debugging functions (see also 'undebug')
　　delete Delete a file
　　dir List files on a filesystem
　　disable Turn off privileged commands
　　disconnect Disconnect an existing network connection
　　enable Turn on privileged commands
　　exit Exit from the EXEC
　　help Description of the interactive help system
　　lock Lock the terminal
　　login Log in as a particular user
　　logout Exit from the EXEC
　　more Display the contents of a file
　　name-connection Name an existing network connection
　　no Disable debugging functions
　　ping Send echo messages
　　pwd Display current working directory
　　reload Halt and perform a cold restart
　　resume Resume an active network connection
　　send Send a message to other tty lines
　　set Set system parameter (not config)
　　setup Run the SETUP command facility
　　show Show running system information
　　systat Display information about terminal lines
　　terminal Set terminal line parameters
　　test Test subsystems, memory, and interfaces
　　traceroute Trace route to destination
　　undebug Disable debugging functions (see also 'debug')
　　where List active connections
　　write Write running configuration to memory, network, or terminal
　　
　　VIP-Slot2#
　　
　　
　　
　　
　　
　　======= 2005-05-08 13:36:00 您在来信中写道：=======
　　
　　>networker，您好！
　　>
　　> You can identify your VIP2 model using the show diag command and observing either of the following output:
　　>
　　> 1.SRAM and DRAM memory
　　> 2.EEPROM value
　　>
　　>Identifying the VIP2 Model Using show diag command and SRAM and DRAM Memory Output
　　>Observe the memory configurations in the "Controller Memory Size" row to determine your VIP2 model, as follows:
　　>
　　>
　　>Table 4 VIP2 Memory Configurations
　　>
　　>VIP SRAM Memory DRAM Memory
　　>VIP2-10 512 KB SRAM 8 MB DRAM
　　>
　　>VIP2-15 1 MB SRAM 8 MB DRAM
　　>
　　>VIP2-20 1 MB SRAM 16 MB DRAM
　　>
　　>VIP2-40 2 MB SRAM 32 MB or 64 MB DRAM
　　>
　　>
　　>
　　>
　　>--------------------------------------------------------------------------------
　　> Note The VIP2-50 is a different motherboard, and in the show diag output you will see "VIP2 R5K controller".
　　>
　　>--------------------------------------------------------------------------------
　　>
　　>In the following example, observing the "Controller Memory Size" row of the show diag output shows a VIP2-40 installed.
　　>
　　>doc-7507#show diag
　　>Slot 0:
　　>Physical slot 0, ~physical slot 0xF, logical slot 0, CBus 0
　　>Microcode Status 0x4
　　>Master Enable, LED, WCS Loaded
　　>Board is analyzed
　　>Pending I/O Status: None
　　>EEPROM format version 1
　　>VIP2 controller, HW rev 2.13, board revision A0
　　>Serial number: 19430823 Part number: 73-1684-05
　　>Test history: 0x00 RMA number: 00-00-00
　　>Flags: cisco 7000 board; 7500 compatible
　　>EEPROM contents (hex):
　　>0x20: 01 15 02 0D 01 28 7D A7 49 06 94 05 00 00 00 00
　　>0x30: 50 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
　　>Slot database information:
　　>Flags: 0x4 Insertion time: 0x2064 (8w5d ago)
　　>Controller Memory Size: 32 MBytes DRAM, 2048 KBytes SRAM
　　>PA Bay 0 Information:
　　>Fast-Ethernet PA, 1 ports, 100BaseTX-ISL
　　>EEPROM format version 1
　　>HW rev 1.04, Board revision B0
　　>Serial number: 16749501 Part number: 73-1688-05
　　>--Boot log begin--
　　>Cisco Internetwork Operating System Software
　　>IOS (tm) VIP Software (SVIP-DW-M), Version 12.1(6)E, EARLY DEPLOYMENT RELEASE S)
　　>TAC Support: http://www.cisco.com/cgi-bin/ibld/view.pl?i=support
　　>Copyright (c) 1986-2001 by cisco Systems, Inc.
　　>Compiled Fri 16-Mar-01 22:16 by eaarmas
　　>Image text-base: 0x60010940, data-base: 0x60380000
　　>--Boot log end--
　　>Identifying the VIP2 Model Using show diag command and EEPROM Value Output
　　>Another method to determine your VIP model is to check the contents of the address in EEPROM in the show diag output. The values corresponding to each VIP type are shown in the table below:
　　>
　　>
　　>Table 5 Distinguishing VIP2 Models Based on Show Diag Output
　　>
　　>VIP2 EEPROM Value
　　>VIP2-10, VIP2-15, VIP2-20, VIP2-40 0x15
　　>
　　>VIP2-50 0x1E
　　>
　　>
　　>
　　>Observing the "EEPROM contents (hex)" contents of the show diag output, the following example shows a VIP2-50 installed:
　　>
　　>Router#show diag 10
　　>Slot 10:
　　>Physical slot 10, ~physical slot 0x5, logical slot 10, CBus 0
　　>Microcode Status 0x4
　　>Master Enable, LED, WCS Loaded
　　>Board is analyzed
　　>Pending I/O Status: None
　　>EEPROM format version 1
　　>VIP2 R5K controller, HW rev 2.02, board revision D0
　　>Serial number: 17090200 Part number: 73-2167-05
　　>Test history: 0x00 RMA number: 00-00-00
　　>Flags: cisco 7000 board; 7500 compatible
　　>EEPROM contents (hex):
　　>0x20: 01 1E 02 02 01 04 C6 98 49 08 77 05 00 00 00 00
　　>0x30: 68 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
　　>Slot database information:
　　>Flags: 0x4 Insertion time: 0x18C0 (00:29:13 ago)
　　>Controller Memory Size: 32 MBytes DRAM, 4096 KBytes SRAM