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FR交換機


config t
1
frame-relay switching
!
interface Serial0
no ip address
no keepalive
encapsulation frame-relay
clockrate 64000
frame-relay intf-type dce
! In the config below, the 102 is the DLCI that will be
! presented to the router connected to this - S0 -
! interface. 201 is the DLCI that is mapped to S1
frame-relay route 102 interface Serial1 201
frame-relay route 103 interface Serial2 301
interface Serial1
no ip address
no keepalive
encapsulation frame-relay
clockrate 64000
frame-relay intf-type dce
frame-relay route 201 interface Serial0 102
frame-relay route 203 interface Serial2 302
interface Serial2
no ip address
no keepalive
encapsulation frame-relay
clockrate 64000
frame-relay intf-type dce
frame-relay route 301 interface Serial0 103
frame-relay route 302 interface Serial1 203
源碼:--------------------------------------------------------------------------------
______________
FR SW _S2______S0_ R3
_____________
S0 / S1
//S0__/_____S0__
R1R2
_____ _______
--------------------------------------------------------------------------------
R1 S0, R2 S0 and R3 S0 will be on the same subnet. You can treat it as p2mp.
I put all the DCE ends of the cables on the Frame Switch, so clock rate is
defined there. However, this is not a requirement. The FR Switch router
does not need to have the DCE end. Regardless of the gender of the cable,
however, the "frame-relay intf-type dce" is required. I defined the DLCIs
as Source Router0Destination Router. So if the circuit goes from
R1 to R3 it"s DLCI 103. From R3 to R1 it"s DLCI 301.

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