Cisco 1601-R User Manual - Page 9

Browse online or download pdf User Manual for Network Router Cisco 1601-R. Cisco 1601-R 13 pages. 1600 series
Also for Cisco 1601-R: Specifications (5 pages)

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C1600 processor with 6144 Kbytes of main memory

program load complete, entry point: 0x4018060, size: 0x1da950

Use, duplication, or disclosure by the Government is subject to

restrictions as set forth in subparagraph (c) of the Commercial

Computer Software − Restricted Rights clause at FAR sec. 52.227−19

and subparagraph (c) (1) (ii) of the Rights in Technical Data and

Computer Software clause at DFARS sec. 252.227−7013.

Cisco Internetwork Operating System Software

IOS (tm) 1600 Software (C1600−Y−L), Version 12.2(10b),

RELEASE SOFTWARE (fc1)

Compiled Fri 12−Jul−02 03:29 by pwade

Image text−base: 0x0803A50C, data−base: 0x02005000cisco 1604

(68360) processor (revision C) with 4608K/1536K bytes of memory.

Processor board ID 04607098, with hardware revision 00000000

Bridging software.

X.25 software, Version 3.0.0.

Basic Rate ISDN software, Version 1.1.

1 Ethernet/IEEE 802.3 interface(s)

1 ISDN Basic Rate interface(s)

U interface with external S bus interface for ISDN Basic Rate interface.

System/IO memory with parity disabled

2048K bytes of DRAM onboard 4096K bytes of DRAM on SIMM

System running from FLASH

7K bytes of non−volatile configuration memory.

16384K bytes of processor board PCMCIA flash (Read ONLY)

Press RETURN to get started!

00:00:36: %SYS−5−CONFIG_I: Configured from memory by console

00:00:36: %SYS−5−RESTART: System restarted −−

Cisco Internetwork Operating System Software

IOS (tm) 1600 Software (C1600−Y−L), Version 12.2(10b),

RELEASE SOFTWARE (fc1)

Compiled Fri 12−Jul−02 03:29 by pwade

Router−1600>

Packet Switching

The switching architecture of the Cisco 1600 Series Router is based on the shared memory architecture. The

Cisco 2500, 4x00 and AS5300 Series also use this switching architecture.

Cisco IOS software on shared memory routers uses the system buffers for all packet switching, not just

process switching. In addition to the standard public buffer pools, the Cisco IOS software also creates private

system buffer pools and special buffer structures for the interface controllers called RX rings and TX rings.

Private Buffer Pools

Private buffer pools are static, and are allocated with a fixed number of buffers during initialization of the

Cisco IOS software. New buffers cannot be created on demand for these pools. If a buffer is needed, and none

Cisco − Cisco 1600 Series Router Architecture

Restricted Rights Legend

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San Jose, California 95134−1706