Bridge - Revision history

Jnc: /* External links */ +How Engineers at Digital Equipment Corp. Saved Ethernet - excellent history article

2025-01-06T21:05:46Z

‎External links: +How Engineers at Digital Equipment Corp. Saved Ethernet - excellent history article

Jnc: Expand description somewhat

2023-10-16T03:32:37Z

Expand description somewhat

Larsbrinkhoff: +cat

2023-10-14T19:50:03Z

+cat

Larsbrinkhoff: I'm not sure this is right.

2023-10-13T06:53:04Z

I'm not sure this is right.

New page

A '''bridge''' is a type of [[packet switch]] which joins two otherwise physically separate networks. The bridge operates mostly invisibly and need not have its own address in the network.

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 A '''bridge''' is a type of [[packet switch]] which is fundamentally different from a [[router]]. It effectively unifies two otherwise separate [[physical network]]s; a [[host]] sending a [[packet]] cannot tell whether the destination [[network interface]] is on the same physical network as it is, or on another one, which is connected to its physical network through a bridge. The two physical networks must thus share a unified [[address space]].
-The bridge thus operates on the [[protocol stack]] layer beneath the [[internetworking layer]]; bridges usually have no knowledge of that layer.  A bridge operates mostly invisibly, and do not have its own address on the physical networks (although it may have one for
+The bridge thus operates on the [[protocol stack]] layer beneath the [[internetworking layer]]; bridges usually have no knowledge of that layer.  A bridge operates mostly invisibly, and do not have its own address on the physical networks (although it may have one for [[operation and maintenance]] purposes).
 A bridge thus needs no configuration; one merely plugs it in, and as soon as it is powered on, it starts to operate. (Hence the saying that "The advantage of a bridge is that it looks like a wire, but it isn't. The ''disadvantage'' of a bridge is that it looks like a wire, but it isn't.")
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 [[Category: Networking Basics]]

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-A '''bridge''' is a type of [[packet switch]] which joins two otherwise physically separate networks.  The bridge operates mostly invisibly and need not have its own address in the network.
+A '''bridge''' is a type of [[packet switch]] which is fundamentally different from a [[router]]. It effectively unifies two otherwise separate [[physical network]]s; a [[host]] sending a [[packet]] cannot tell whether the destination [[network interface]] is on the same physical network as it is, or on another one, which is connected to its physical network through a bridge. The two physical networks must thus share a unified [[address space]].
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+The bridge thus operates on the [[protocol stack]] layer beneath the [[internetworking layer]]; bridges usually have no knowledge of that layer.  A bridge operates mostly invisibly, and do not have its own address on the physical networks (although it may have one for
 [[Category: Networking Basics]]

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