Netopia R910 Bedienungsanleitung PDF herunterladen (Seite 183)

Understanding IP Addressing B-183

Routers B and C (which could also be Netopia R910s) serve the two remote networks that are subnets of

a.b.c.0. The subnetting is accomplished by conﬁguring the Netopia R910 with connection proﬁles for Routers B

and C (see the following table).

The Netopia R910’s connection proﬁles for Routers B and C create entries in its IP routing table. One entry

points to the subnet a.b.c.128, while a second entry points to the subnet a.b.c.248. The IP routing table might

look similar to the following:

Connection proﬁle Remote IP address Remote IP mask

Bits available for host

address

For Router B a.b.c.128 255.255.255.192 7

For Router C a.b.c.248 255.255.255.248 3

Internet

Router A

Router CRouter B

a.b.c.0

a.b.c.16

a.b.c.1

a.b.c.2

a.b.c.248

a.b.c.249

a.b.c.128

a.b.c.129

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Netopia R910 Bedienungsanleitung Seite 183