Cisco 2501 - Router - EN Bedienungsanleitung PDF herunterladen (Seite 7)

The IOS User Interface

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Technical Support: http://www.cisco.com/techsupport

Compiled Fri 17-Nov-06 12:02 by prod_rel_team

Image text-base: 0x40093160, data-base: 0x41AA0000

A sweet new feature of the new ISR routers is that the IOS name is no longer cryptic.

The filename actually tells you what the IOS can do, as in Advanced Security. Once the

IOS is loaded, the information learned from the POST will be displayed next, as you can

see here:

[some output cut]

Cisco 2811 (revision 49.46) with 249856K/12288K bytes of memory.

Processor board ID FTX1049A1AB

2 FastEthernet interfaces

4 Serial(sync/async) interfaces

1 Virtual Private Network (VPN) Module

DRAM configuration is 64 bits wide with parity enabled.

239K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)

There are two FastEthernet interfaces, four serial interfaces, plus a VPN module. The

amount of RAM, NVRAM, and flash are also displayed. The above router output shows us

that there’s 256MB of RAM, 239K of NVARM, and 64MB of flash.

When the IOS is loaded and up and running, a preconfiguration (called startup-config) will

be copied from NVRAM into RAM. The copy of this file will be placed in RAM and called

running-config.

My 1841 and 871W routers boot exactly the same as the 2811 router. The

1841 and 871W do show less memory and different interfaces, but other

than that, they have the same bootup procedure and the same preconfig-

ured startup-config file.

Bringing Up a Non-ISR Router (a 2600)

As you’re about to see, the boot cycle is about the same for non-ISR routers as for the ISR routers.

The following messages appear when you first boot or reload a 2600 router:

System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)

TAC:Home:SW:IOS:Specials for info

C2600 platform with 65536 Kbytes of main memory

47020.book Page 185 Wednesday, January 2, 2008 4:31 PM

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Cisco 2501 - Router - EN Bedienungsanleitung Seite 7