Avaya Configuring Remote Access Bedienungsanleitung Seite 41

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Seitenansicht 40
Understanding Tools and Options
114084 Rev. A 1-9
For example, in Figure 1-2, an AN/ANH/ARN router sends BOOTP
requests for its IP address. The upstream router receives the request on
PVC 31. The upstream router determines the DLCI, refers to DLCI 31 in
the BOOTP client interface table, finds the IP address, and sends a
BOOTP response containing the IP address back to PVC 31.
Figure 1-2. Getting an Address from a PVC in Group Access Mode
5. The upstream router sends the IP address and subnet mask to the
AN/ANH/ARN in a BOOTP response message.
6. The AN/ANH/ARN assigns the IP address and subnet mask to any serial
interface that receives a BOOTP response.
7. The AN/ANH/ARN stores these addresses, along with the address of the
next-hop router, in RAM.
AN/ANH/ARN
Key
BOOTP response
BOOTP request
Upstream router
Circuit containing PVC 31, 32, 33 (for
virtual connections to the three routers)
Booting router 2 Booting router 3
BOOTP Client Interface Table:
DLCI 31 192.32.1.2
DLCI 32 192.32.1.3
DLCI 33 192.32.1.4
NPA0002A
Frame Relay
PVC 31
PVC 32
PVC 33
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