(   ()       )) 
                          ((                 ))
                        ((    ()  Internet ()  ))
                           (  (           ))  )
　　　　　　　　　　　　　　　　　　//
                              ______//______ 
                             [______________]  IP45/163 (Cisco1603)
                                     |       172.30.1.2 /255.255.255.0
                                     |
　　-------------[ ]----------------[ ]----------------------172.30.1.0
                  |
           _______|_______ 172.30.1.1 /255.255.255.0
Cisco1603 [_______________]
                 //
                 //
                 //  INS  64 
                 //
           ______//______ 
          [______________]  IP45/163 (Cisco1603)
                  |       172.30.2.1 /255.255.255.0
                  |
    -------------[ ]------------------------------------------172.30.2.0


ＬＡＮ間接続の場合の設定例です。

専用のシリアル・コネクターを使いパソコンのターミナルモードで接続し
ルータの設定を行います。
ここでは、ルータの電源を入れてから設定までを記載しています。




System Bootstrap, Version 11.1(10)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
Copyright (c) 1997 by cisco Systems, Inc.
C1600 processor with 2048 Kbytes of main memory

program load complete, entry point: 0x4018060, size: 0x1e1568

Notice: NVRAM invalid, possibly due to write erase.
program load complete, entry point: 0x8000060, size: 0x2f1a58

              Restricted Rights Legend

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 Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706



Cisco Internetwork Operating System Software
IOS (tm) 1600 Software (C1600-Y-L), Version 11.1(18)AA, EARLY DEPLOYMENT RELEASE
 SOFTWARE (fc1)
Copyright (c) 1986-1998 by cisco Systems, Inc.
Compiled Tue 24-Mar-98 13:39 by linda
Image text-base: 0x0801A424, data-base: 0x02005000

cisco 1603 (68360) processor (revision C) with 1536K/512K bytes of memory.
Processor board ID 09182142, with hardware revision 00000000
Bridging software.
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface.
1 ISDN Basic Rate interface.
System/IO memory with parity disabled
2048K bytes of DRAM onboard
System running from FLASH
8K bytes of non-volatile configuration memory.
4096K bytes of processor board PCMCIA flash (Read ONLY)

Notice: NVRAM invalid, possibly due to write erase.
         --- System Configuration Dialog ---

At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes]:



System Bootstrap, Version 11.1(10)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
Copyright (c) 1997 by cisco Systems, Inc.
C1600 processor with 2048 Kbytes of main memory

program load complete, entry point: 0x4018060, size: 0x1e1568

Notice: NVRAM invalid, possibly due to write erase.
program load complete, entry point: 0x8000060, size: 0x2f1a58

              Restricted Rights Legend

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 Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706



Cisco Internetwork Operating System Software
IOS (tm) 1600 Software (C1600-Y-L), Version 11.1(18)AA, EARLY DEPLOYMENT RELEASE
 SOFTWARE (fc1)
Copyright (c) 1986-1998 by cisco Systems, Inc.
Compiled Tue 24-Mar-98 13:39 by linda
Image text-base: 0x0801A424, data-base: 0x02005000

cisco 1603 (68360) processor (revision C) with 1536K/512K bytes of memory.
Processor board ID 09182142, with hardware revision 00000000
Bridging software.
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface.
1 ISDN Basic Rate interface.
System/IO memory with parity disabled
2048K bytes of DRAM onboard
System running from FLASH
8K bytes of non-volatile configuration memory.
4096K bytes of processor board PCMCIA flash (Read ONLY)

Notice: NVRAM invalid, possibly due to write erase.
         --- System Configuration Dialog ---

At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes]: no


Press RETURN to get started!


Cisco Internetwork Operating System Software
IOS (tm) 1600 Software (C1600-Y-L), Version 11.1(18)AA, EARLY DEPLOYMENT RELEASE
 SOFTWARE (fc1)
Copyright (c) 1986-1998 by cisco Systems, Inc.
Compiled Tue 24-Mar-98 13:39 by linda
Router>enable
Router#config term
Enter configuration commands, one per line.  End with CNTL/Z.
◆ホスト名の登録
Router(config)#hostname router
◆コンソール端末との通信条件の登録
router(config)#line vty 0 4
◆「ユーザＥＸＥＣモード」のパスワード登録
router(config-line)#password ******
◆「特権ＥＸＥＣモード」のパスワード登録
router(config-line)#enable secret ********

router(config)#ip classless
router(config)#ip subnet-zero
router(config)#no ip domain-lookup
◆回線種別の登録:ＮＴＴの高速デジタル専用回線
router(config)#isdn switch-type ntt
◆回線速度の登録:64Kbps（128Kbpsの場合 isdn leased-line bri0 128と記入)
router(config)#isdn leased-line bri0
router(config)#
router(config)#inter ethernet0
◆Ethernet側のＩＰアドレスの登録
router(config-if)#ip address 172.30.1.1 255.255.255.0
◆ＷＡＮの相手側との通信条件（ＩＰアドレス指定無しで通信する）
router(config-if)#inter bri0:1
router(config-if)#ip unnumbered ethernet0
router(config-if)#encapsulation ppp
◆ルーティングテーブルの登録
router(config-if)#ip route 0.0.0.0 0.0.0.0 172.30.1.2
router(config)#inter ethernet0
router(config-if)#ip route 172.30.2.0 255.255.255.0 172.30.2.1
router(config)#end
router#
router#config term
Enter configuration commands, one per line.  End with CNTL/Z.
◆ＬＡＮ側の回線オープン
router(config)#inter ethernet0
router(config-if)#no shutdown
router(config-if)#
◆ＷＡＮ側の回線オープン
router(config-if)#inter bri0:1
router(config-if)#no shutdown
router(config-if)#
router(config-if)#^Z
router#
◆フィルターの設定:指定端末の外部アクセス拒否
router#config term
Enter configuration commands, one per line.  End with CNTL/Z.
router(config)#acc 101 deny ip host 172.30.1.201 any
router(config)#acc 101 deny ip host 172.30.1.202 any
router(config)#acc 101 deny ip host 172.30.1.203 any
router(config)#acc 101 deny ip host 172.30.1.204 any
router(config)#acc 101 permit ip any any
router(config)#inter bri0:1
router(config-if)#ip access-greup 101 out
router(config-if)#ip access-greup 101 in
router(config)#^Z
router#
Building configuration...
[OK]
router#

◆設定内容の確認
router#show run
Building configuration...

Current configuration:
!
version 11.1
service udp-small-servers
service tcp-small-servers
!
hostname router
!
enable secret 5 $1$XY31$Yizkg3/P9tkGgLzBACObs/
!
ip subnet-zero
no ip domain-lookup
isdn switch-type ntt
isdn leased-line BRI0
!
interface Ethernet0
 ip address 172.30.1.1 255.255.255.0
!
interface BRI0
 no ip address
 shutdown
 no cdp enable
!
interface BRI0:1
 ip unnumbered Ethernet0
 encapsulation ppp
 ip access-group 101 out
 ip access-group 101 in
!
interface BRI0:2
 no ip address
 shutdown
!
ip classless
ip route 0.0.0.0 0.0.0.0 172.30.1.2
ip route 172.30.2.0 255.255.255.0 172.30.2.1
logging buffered
access-list 101 deny   ip host 172.30.1.201 any
access-list 101 deny   ip host 172.30.1.202 any
access-list 101 deny   ip host 172.30.1.203 any
access-list 101 deny   ip host 172.30.1.204 any
access-list 101 permit ip any any
!
line con 0
line vty 0 4
 password *****
 login
!
end
◆設定内容の記憶
router#write term
router#