Errata

IPv6 Address Planning

Errata for IPv6 Address Planning

Submit your own errata for this product.

The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted By Date submitted Date corrected
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 107
First centered line of figure 5-9

First centered line of figure 5-9, page 107, reads:

"Data center IPv4 Allocation: 2001:db8:cafe::/48".

It should read:

"Data center IPv6 Allocation: 2001:db8:cafe::/48".

This is inferred from both the caption "IPv6 best-fit example" and the IPv6 prefix shown.

Note from the Author or Editor:
First line of figure 5-9 reads:

"Data center IPv4 Allocation: 2001:db8:cafe::/48"

It should read:

"Data center IPv6 Allocation: 2001:db8:cafe::/48"

Trond Endrestøl  Feb 05, 2017 
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 110
First column, second row in Table 5-1

In the first column and second row of Table 5-1, the IPv6 prefix has only one colon preceding the prefix length of /56 instead of having two preceding colons. For example, it currently reads:

2001:db8:2112:0000:/56

But it should read:

2001:db8:2112:0000::/56

Tom Coffeen
Tom Coffeen
 
Jan 29, 2019 
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 111
Within the graphic labeled "Figure 5-12. Sparse allocation of /56 subnets"

All the IPv6 subnets within the graphic currently have a "/52" prefix length with one preceding colon. But they should have instead a "/56" prefix length and two preceding colons. For example, the graphic currently displays the following IPv6 prefixes starting at the top of the circle:

2001:db8:2112:0:/52
2001:db8:2112:1000:/52
2001:db8:2112:2000:/52
2001:db8:2112:4000:/52
2001:db8:2112:6000:/52
2001:db8:2112:8000:/52
2001:db8:2112:9000:/52
2001:db8:2112:a000:/52
2001:db8:2112:c000:/52
2001:db8:2112:e000:/52

But these should read as follows:

2001:db8:2112:0::/56
2001:db8:2112:1000::/56
2001:db8:2112:2000::/56
2001:db8:2112:4000::/56
2001:db8:2112:6000::/56
2001:db8:2112:8000::/56
2001:db8:2112:9000::/56
2001:db8:2112:a000::/56
2001:db8:2112:c000::/56
2001:db8:2112:e000::/56

Tom Coffeen
Tom Coffeen
 
Jan 29, 2019 
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 162
Last line of figure 7-11

Last line of figure 7-11 reads:

/64 for CORE 1 point-to-point link 2001:db8:def4:3::[2,3]/127

It should read:

/127 for CORE 2 point-to-point link 2001:db8:def4:3::[2,3]/127

Note from the Author or Editor:
Last line of figure 7-11 reads:

/64 for CORE 1 point-to-point link 2001:db8:def4:3::[2,3]/127

It should read:

/127 for CORE 2 point-to-point link 2001:db8:def4:3::[2,3]/127

Trond Endrestøl  Feb 26, 2017 
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 162
Figure 7-11 Infrastructure Addressing under Function

There are 3 typos in "Figure 7-11 Strangelove LLC data center: topology and address plan" under the Function column in rows 5-7

Printed version reads:
HQ AGG 1 looback address
HQ AGG 2 looback address
Dev server ACC 1-n loobpack address


Should read
HQ AGG 1 loopback address
HQ AGG 2 loopback address
Dev server ACC 1-n loopback address



Note from the Author or Editor:
The reader's report is accurate. Please correct according to the following...

Detailed description of error:
There are 3 typos in "Figure 7-11 Strangelove LLC data center: topology and address plan" under the Infrastructure Addressing, Function column in rows 5-7

Currently reads:
HQ AGG 1 looback address
HQ AGG 2 looback address
Dev server ACC 1-n loobpack address


Should read:
HQ AGG 1 loopback address
HQ AGG 2 loopback address
Dev server ACC 1-n loopback address"

Cory Loukides  Mar 26, 2017 
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version
Page 236
Chapter 7: The 3rd paragraph under "Assigning function and Location" (these /48s can be summarized to a /44 for their BGP announcement)

The book states
2001:db8:def0::/48
2001:db8:def1::/48
2001:db8:def2::/48
...
2001:db8:deff::/48
can be summarized as
2001:db8:def::/44 <------- ERROR

It should be
2001:db8:def0::/44

2001:db8:def::/44 is a completely different network and has the prefix 2001:db8:0de0::/44

Note from the Author or Editor:
Chapter 7: The 3rd paragraph under "Assigning function and Location" (directly beneath the sentence "These /48s can be summarized to a /44 for their BGP announcement to upstream provider(s):[103]")

The text shows:
"2001:db8:def0::/48
2001:db8:def1::/48
2001:db8:def2::/48
...
2001:db8:deff::/48

2001:db8:def::/44"

It should read:
"2001:db8:def0::/48
2001:db8:def1::/48
2001:db8:def2::/48
...
2001:db8:deff::/48

2001:db8:def0::/44"

/u/EmergencySwitch  Sep 09, 2018