OSPF設定例

$Date: 2018/03/14 10:42:44 $

バックボーンエリアに所属する2拠点間をPPPで結ぶ

    +- - - - - - - - - - - - - - - Area Backbone - -+
    :                                               :
    :    Ethernet                192.168.1.0/24     :
    :    -------------+---------------------------  :
    :                 |                             :
    :                 |                             :
    :              +-----+ LAN1 : 192.168.1.1       :
    :              |     |                          :
    :              | RT1 |                          :
    :              |     |                          :
    :              +-----+ BRI2.1 : 192.168.255.253 :
    :                 |                             :
    :    Leased Line  |                             :
    :           128k  | 192.168.255.252/29          :
    :                 |                             :
    :                 |                             :
    :              +-----+ BRI2.1 : 192.168.255.254 :
    :              |     |                          :
    :              | RT2 |                          :
    :              |     |                          :
    :              +-----+ LAN1 : 192.168.2.1       :
    :                 |                             :
    :                 |                             :
    :    -------------+---------------------------  :
    :    Ethernet                192.168.2.0/24     :
    :                                               :
    +- - - - - - - - - - - - - - - - - - - - - - - -+

RT1の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.253
	ospf area backbone

	ip lan1 address 192.168.1.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind bri2.1
	ip pp address 192.168.255.243/29
	ip pp ospf area backbone
	ppp ipcp ipaddress on
	pp enable 1

RT2の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.254
	ospf area backbone

	ip lan1 address 192.168.2.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind bri2.1
	ip pp address 192.168.255.244/29
	ip pp ospf area backbone
	ppp ipcp ipaddress on
	pp enable 1

異なるエリアに分かれた2拠点間をPPPで結ぶ

    +- - - - - - - - - - - - - - - Area Backbone - -+
    :                                               :
    :    Ethernet                192.168.1.0/24     :
    :    -------------+---------------------------  :
    :                 |                             :
    :                 |                             :
    :              +-----+ LAN1 : 192.168.1.1       :
    :              |     |                          :
    :              | RT1 |                          :
    :              |     |                          :
    :              +-----+ BRI2.1 : 192.168.255.253 :
    :                 |                             :
    :    Leased Line  |                             :
    :           128k  | 192.168.255.252/29          :
    :                 |                             :
    :                 |                             :
    :              +-----+ BRI2.1 : 192.168.255.254 :
    +- - - - - - - |     | - - - - - - - - - - - - -+
                   | RT2 |
    +- - - - - - - |     | - - - - - - - - - - - - -+
    :              +-----+ LAN1 : 192.168.2.1       :
    :                 |                             :
    :                 |                             :
    :    -------------+---------------------------  :
    :    Ethernet                192.168.2.0/24     :
    :                                               :
    +- - - - - - - - - - - - - - - - - Area 1  - - -+

RT1の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.253
	ospf area backbone

	ip lan1 address 192.168.1.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind bri2.1
	ip pp address 192.168.255.243/29
	ip pp ospf area backbone
	ppp ipcp ipaddress on
	pp enable 1

RT2の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.254
	ospf area backbone
	ospf area 1

	ip lan1 address 192.168.2.1/24
	ip lan1 ospf area 1

	pp select 1
	pp bind bri2.1
	ip pp address 192.168.255.244/29
	ip pp ospf area backbone
	ppp ipcp ipaddress on
	pp enable 1

多拠点間をFRで結ぶ

        192.168.1.0/24                   192.168.2.0/24
        ---------+-------           ------+------------
                 |                        |
     192.168.1.1 |                        |  192.168.2.1
         LAN1 +-----+                  +-----+ LAN1
              | RT1 |                  | RT2 |
         PRI1 +-----+                  +-----+ PRI1
   192.168.255.1 |                        |  192.168.255.2
                 |                        |
                 |                        |
               {~~~~~~~~~~~~~~~~~~~~~~~~~~~~}
               {                            }
               {        FR Cloud            }
               {           192.168.255.0/24 }
               {                            }
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                 |                        |
                 |                        |
   192.168.255.3 |                        |  192.168.255.4
       BRI2.1 +-----+                  +-----+ BRI2.1
              | RT3 |                  | RT4 |
         LAN1 +-----+                  +-----+ LAN1
     192.168.3.1 |                        |  192.168.4.1
                 |                        |
        ---------+-------           ------+------------
        192.168.3.0/24                   192.168.4.0/24

RT1の設定

	pri leased channel 1/1 1 24

	ospf use on
	ospf router id 192.168.255.1
	ospf area backbone

	ip lan1 address 192.168.1.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind pri1/1
	pp encapsulation fr
	ip pp address 192.168.255.1/24
	ip pp ospf area backbone type=point-to-multipoint
	pp enable 1

RT2の設定

	pri leased channel 1/1 1 24

	ospf use on
	ospf router id 192.168.255.2
	ospf area backbone

	ip lan1 address 192.168.2.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind pri1/1
	pp encapsulation fr
	ip pp address 192.168.255.2/24
	ip pp ospf area backbone type=point-to-multipoint
	pp enable 1

RT3の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.3
	ospf area backbone

	ip lan1 address 192.168.3.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind bri2.1
	pp encapsulation fr
	ip pp address 192.168.255.3/24
	ip pp ospf area backbone type=point-to-multipoint
	pp enable 1

RT4の設定

	line type bri2.1 l128

	ospf use on
	ospf router id 192.168.255.4
	ospf area backbone

	ip lan1 address 192.168.4.1/24
	ip lan1 ospf area backbone

	pp select 1
	pp bind bri2.1
	pp encapsulation fr
	ip pp address 192.168.255.4/24
	ip pp ospf area backbone type=point-to-multipoint
	pp enable 1

静的経路、RIPとの併用

                     Internet
                        |
                        |
                        | PRI1
                +----------------+
                |      RT1       |
           LAN1 +----------------+ LAN2
     192.168.1.1  |            |  192.168.2.1
                  |            |
 RIP only segment |            | OSPF only segment
 -----------------+---      ---+-------------------
 192.168.1.0/24                  192.168.2.0/24

RT1の設定

	pri leased channel 1/1 1 24

	ip route default gateway pp 1

	rip use on
	ospf use on
	ospf router id 192.168.2.1
	ospf area backbone
	ospf import from static
	ospf import from rip

	ip lan1 address 192.168.1.1/24
	ip lan1 ospf area backbone passive

	ip lan2 address 192.168.2.1/24
	ip lan2 ospf area backbone
	ip lan2 rip send off
	ip lan2 rip receive off

	pp select 1
	pp bind pri1/1
	pp enable 1

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