http://www.oreilly.com/catalog/ethernet

Now reads:

http://www.oreilly.com/catalog/9781565926608

"I would like to thank the inventor of Ethernet..."

NOW READS:
"I would like to thank the inventors of Ethernet..."

"by the International Organization for Standardization, whose initials (derived from it's French name), are ISO."

NOW READS:
"by the International Organization for Standardization, whose initials (derived from the Greek "isos," meaning equal), are ISO."

The first sentence of the second paragraph did read: "Metcalfe understood..."

Now reads: "Bob Metcalfe understood..."

The third line of the first paragraph did read: "...two devices connected to a full-duplex Ethernet media system to simultaneously..."

Now reads: "...two devices connected over a full-duplex link to
simultaneously..."

The last line of the last paragraph did read: "...standard, probably operating at 10 Gbps, within..."

Now reads: "...standard operating at 10 Gpbs within..."

In the 3rd bullet, "consists" HAS BEEN CHANGED to "consist".

Lines 5-6 of the fourth paragraph did read: "Each port of a repeater hub links individual Ethernet media segments together..."

Now reads: "Each port of a repeater hub links an individual Ethernet media
segment to others..."

The first line of the second paragraph did read: "...the individual ports combine segments..."

Now reads: "...the ports combine segments..."

The first sentence of the fourth paragraph did read: "...numerically equal to or less than the maximum untagged frame size in octets of 1518
(decimal)..."

Now reads: "...numerically less than or equal to 1500 (decimal)..."

This footnote has been added to the first sentence of the last paragraph:

"The range of 1,501 to 1,535 was intentionally left undefined in the
standard."

The first line of the first paragraph did read: "...gap between each frame."

Now reads: "...gap between successive frames."

The fourth line of the fourth paragraph did read: "...with this opcode in the first byte of the data field..."

Now reads: "...with this opcode in the first two bytes of the data field..."

The MAC address in Figure 4-2 "PAUSE frame" did read: "01-08-C2-00-00-01" Now reads: "01-80-C2-00-00-01"

"...that the Ethernet interface does not have..."

It now reads:

"...that the Ethernet interface controller does not have..."

"...to the Ethernet interface..."

It now reads:

"...to the Ethernet interface controller..."

The second to last line of the last paragraph did read: "...male jackscrews that connect..."

Now reads: "...male jack screws that connect..."

The last line on the page did read: "...of 0.5 meters..." Now reads: "...of 0.5 meter..."

The last sentence in the last paragraph beginning on page 127 has been deleted.

In the footnote, changed "...speed of light." to "...speed of light in vacuum."

"...four times the cable radius."

Now reads: "...four times the cable diameter."

"...are still considered..."

NOW READS:
"...is still considered..."

The first sentence in the second paragraph did read: "The optional wiring sequence is widely used in the United States, and many..."

Now reads: "The optional wiring sequence is widely used, and many..."

"...typically operates over multimode fiber using LED transmitters
with a wavelength of 1350 nm."

It now reads:

"...operates at a wavelength of approximately 1350 nm (1295-1365 nm
is the range allowed in the specifications) and uses LED transmitters
over multimode fiber optic cable."

The last line of the first paragraph did read: "10BASE-FX." Now reads: "100BASE-FX"

The fifth line of the third paragraph did read: "...only two devices at each end of a given link segment, which limits..."

Now reads: "only two devices on a given link segment; one on each end. This
limits..."

The fourth line of the second paragraph did read: "...and two Class II repeaters..."

Now reads: "...or two Class II repeaters..."

"This display provides the sum..."

NOW READS:
"This display provides the sums..."

The first sentence of the last paragraph did read: "...shown on this port is nearly 30 percent of the number... rate for this port is around 30
percent."

Now reads: "...shown on this port is nearly 3 percent of the number... rate
for this port is around 3 percent."

The third sentence of the last paragraph did read: "...(4,294,967,300 to be precise)."

Now reads: "...(4,294,967,296 to be precise)."

The first sentence of the first full paragraph did read: "Note that this port has counted over 3.4 billion total frames..."

Now reads: "...counted over 363 million total frames..."

The fourth line of the second paragraph did read: "...and then counted another 3.4 billion."

Now reads: "...and then counted another 363 million."

The sixth line of the second paragraph did read: "...collision rate is around 30 percent..."

Now reads: "...collision rate is around 3 percent..."

The last two sentences of the third paragraph did read: "Now the collision rate is less than 3 percent of the total frames. This is a much more
realistic picture of the current statistics on this port."

Now read: "Once again, the collision rate is around 3 percent of the total
frames, showing that in this case the original counters were correct. By
clearing the counter displays and taking a new snapshot, we have verified that
the collision rate is being correctly reported."

"Some problems only seem to occur..."

NOW READS:
"Some problems seem to occur only..."

The last sentence in the first paragraph did read: "...maximum bend..."

Now reads: "...minimum bend..."

In the first paragraph of the sidebar, in the sixth line, deleted "one vendor's set of" from the sentence.

"silicon caulk...."

NOW READS:
"silicone caulk...."

The BNC entry did read: "...Bayonet Neil-Concelman..." Now reads: "...Bayonet Neill-Concelman..."

The third line of the MII entry did read: "...attach 802.3 interfaces (MACs) to..."

Now reads: "...attach 802.3 interfaces to..."

The glossary entry for "PHY" HAS BEEN MOVED so that it occurs between "Phase Jitter" and "Physical Address." The entry for "Receive Collision" HAS BEEN MOVED so that it occurs between "Protocol" and "Repeater."

"100BASE-T4, 18, 81"

The entry for "10BROAD36" did read: "10BROAD36, 16"

Now reads: "10BROAD36, 16, 81"