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CCNA ICND2 Official Exam Certification Guide Second Edition Copyright © 2008 Cisco Systems, Inc. ISBN-10: 1-58720-181-X ISBN-13: 978-1-58720-181-3 Warning and Disclaimer Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information provided is on an "as is" basis. The author and the publisher shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the CD or programs accompanying it. When reviewing corrections, always check the print number of your book. Corrections are made to printed books with each subsequent printing. Note: Due to some oddities i n the printing production process, multiple print runs may have the same printing number. To f ully identify some printings, you must look at the copyright page, and find both the printing number and the printing month/year. In this errata file, when the same print run number has been used for multiple printings, the printing number and date is listed in this errata file. Please compare this to your book’ s copyright page to find the correct printing and section to begin with in this errata file. 12 th Printing (Applies to previous printings as well) Page XXXIX – 1 st line – the URL is incorrect. Change the last two digits “28” to “1X”. Page 100 – 2 nd to last paragraph – current last sentence that fills most of the last three lines (begins “The least-calculated cost win;…”) – the sentence is missing a tiebreaker. To fix the problem, replace this last sentence w ith: “The least -calculated co st wins. If a tie occ urs, the switch chooses as root port the port connected to the best neighboring switch port, based on the following three tiebreakers, in order: lowest neighbor bridge ID, lowest neighbor port priority, and lowest neighbor internal port number. (Note that the switch considers only neighbors in the tied least-cost path for these tiebreakers.)” Page 101 – bottom, step 4 – replace text with “If the costs tie, use these tiebreakers, in order: lowest neighbor bridge ID, lowest neighbor port priority, and lowest neighbor internal port number.” Page 140 – last paragraph – 2 nd to last line – “early collisions” should be “late collisions”. Page 152 – last line – last word – change “Forwarding” to “Blocking” Page 165 – Step list at bottom of page – step 6 – last li ne – reference to R1 should be R2. Cisco Press ICND2 Exam Certification Guide – Errata Last Updated: November 14, 2011
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CCNA ICND2 Official Exam Certification Guide
Second Edition
Copyright © 2008 Cisco Systems, Inc.
ISBN-10: 1-58720-181-XISBN-13: 978-1-58720-181-3
Warning and Disclaimer
Every effort has been made to make this book as complete and as accurate as possible, but nowarranty or fitness is implied. The information provided is on an "as is" basis. The author andthe publisher shall have neither liability nor responsibility to any person or entity with respect
to any loss or damages arising from the information contained in this book or from the use of the CD or programs accompanying it.
When reviewing corrections, always check the print number of your book. Corrections aremade to printed books with each subsequent printing.
Note: Due to some oddities in the printing production process, multiple print runs may havethe same printing number. To fully identify some printings, you must look at the copyrightpage, and find both the printing number and the printing month/year. In this errata file, whenthe same print run number has been used for multiple printings, the printing number and dateis listed in this errata file. Please compare this to your book’s copyright page to find thecorrect printing and section to begin with in this errata file.
12th
Printing(Applies to previous printings as well)
Page XXXIX – 1 st line – the URL is incorrect. Change the last two digits “28” to “1X”.
Page 100 – 2 nd to last paragraph – current last sentence that fills most of the last three lines(begins “The least-calculated cost win;…”) – the sentence is missing a tiebreaker. To fix theproblem, replace this last sentence with: “The least-calculated cost wins. If a tie occurs, theswitch chooses as root port the port connected to the best neighboring switch port, based onthe following three tiebreakers, in order: lowest neighbor bridge ID, lowest neighbor portpriority, and lowest neighbor internal port number. (Note that the switch considers onlyneighbors in the tied least-cost path for these tiebreakers.)”
Page 101 – bottom, step 4 – replace text with “If the costs tie, use these tiebreakers, in order:lowest neighbor bridge ID, lowest neighbor port priority, and lowest neighbor internal portnumber.”
Page 140 – last paragraph – 2 nd to last line – “early collisions” should be “late collisions”.
Page 152 – last line – last word – change “Forwarding” to “Blocking”
Page 165 – Step list at bottom of page – step 6 – last line – reference to R1 should be R2.
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Page 186 – Figure 4-8 – to make the example on pages 192-193 correct, add a small LANsubnet on the right side of R1, connected to R1, with subnet text listed as “168.200.2.0/24”.
Page 192 – Example 4-11 – Just above the line that reads “168.13.0.0/24 is subnetted…”, addthese two lines:
168.200.0.0/24 is subnetted, 1 subnet
R 168.200.2.0 [120/1] via 168.13.100.1, 00:00:13, Serial0.1
Page 247 – Figure 6-5 – far right – the numbers are overlapped. The IP address on the right is172.16.3.1, and the mask in the middle of the overlap is /24.
Page 264 – Figure 6-10 – the access-list commands at the bottom of the figure are missingeither the ip or tcp keywords. On the left, the 1 st command is missing tcp , and the 2 nd ismissing ip . On the right, the 1 st and 3 rd are missing ip , and the 2 nd is missing tcp .
Page 293 – 1 st of two bullets – the behavior is actually based on whether the interface isshutdown or not. To adjust, keep the first sentence, but replace the rest of the text for thisfirst bullet item with:
Once detected, if the newly-configured interface is not shutdown, the router simplyrejects the ip address command and lists an error message. If the interface is
shutdown, the router actually accepts the ip address command, but will not leaveshutdown state until the overlap condition has been resolved.
Page 314 – Figure 8-3 – top part – text between routers A and B “ Bandwidth 1544 ” –change to “ Bandwidth 64 ”.
Page 367 – list item 2 – IOS actually chooses to consider interfaces based on the interfacestatus being up, not both the line and protocol status. To fix, in item 2, replace “up/up” with
“up”, and delete “and protocol”. In list item 3, replace “up/up” with “up”.
Page 569 – paragraph after step list – bold command – insert a “1” after “list”
Page 587 – Five instances of “octet” should be changed to “quartet”. Four instances are in thefirst long paragraph on this page, and the fifth instance is in the last line on the page.
Page 594 – 595 – Instead of setting the 7 th bit of the EUI-64 host part to binary 1, instead youinvert the bit’s value (0 becomes 1, or 1 becomes 0). To make this change in the text:
Page 594, 2 nd to last line, change “setting 1 special bit to binary 1” to “inverting onespecial bit”.
Page 595 – figure 17-7 – text at center bottom – change to “Invert 7 th Bit (ReadingLeft to Right) in First Byte”.
Page 595 – 2 nd paragraph – 3 rd line – change “…setting the seventh…” to “…invertingthe seventh…”. At the end of that same line, change “…of the value to binary 1.” to “…to the opposite binary value.”
Page 595 – 2nd
paragraph – end of 2nd
to last line – delete the last sentence.
Page 667 – “public key” – in the first words of the definition, change “A secret value…” to “Apublicly-available value…”.
11 th Printing(Applies to previous printings as well)
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STP tiebreaker mistake – the tiebreakers based on port priority and a switch’s internal portnumber, as described at the end of the paragraph, are incorrect. The tiebreakers are based onpriority, and then internal port number, but instead of the neighbor’s settings, which are listedin the BPDU. Two fixes, pages 92 and 100 below.
Page 92 – 2 nd paragraph – last 6 lines, beginning where it reads “When a switch experiences atie…” – replace the rest of the paragraph with:
“When a switch experiences a tie because of two or more links to the same switch, thelocal switch (SW1 in this example) must use another tiebreaker. The two tiebreakers,the switch port priority, and if a tie, then the switch internal port number, is based onthe neighbor’s settings, as advertised in the BPDU. (These settings are listed under theheading “Prio.Nbr” in the output of show spanning-tree .) In this case, SW2 usesdefault settings for port priority (128), so the BPDUs SW1 receives on both ports tieon port priority. SW2 also defaults the internal port numbers to 16 and 17 (for Fa0/16and Fa0/17, respectively), causing SW1 to use its local Fa0/16 (connected to SW2’sFa0/16) as SW1’s root port.”
Page 96 - 2nd to last paragraph - last line - phrase "...either on or desirable...", change to"...desirable...".
Page 100 – 2 nd to last paragraph – 2 nd to last line currently begins “…picks the interface withthe…” – replace the rest of the paragraph, starting at that point, with:
“…picks the interface connected to either the neighboring switch’s port with the lowestpriority, or if that ties, based on the neighbor’s lowest internal port number.”
Page 133 – 1 st paragraph after the table – 3 rd line from the bottom – reference to “Gi0/1” should be “Gi0/2” to match earlier reference.
Page 230 - Chapter 6 – DIKTA question 8 – Answer D – change text “…from ACL configurationmode…” to “…from global configuration mode…”
Page 253 – bottom of page 253 – last paragraph – the two bold commands – delete the text “ ip ” in each command; it is not needed in the syntax of either command.
Page 351 – figure 9-2 – right side – the 2-way state is not reached by R2 until it receives the3 rd message in the figure, so move the text “2-way” on the right to the bottom of the figure.
Page 459 – Chapter 13, DIKTA Question 5, Answer D – the end of the answer should bechanged from “… DLCI 102” to “… DLCI 101”.
Page 547 – Chapter 16 – DIKTA question 6 – Remove answer E, and change last line of thequestion, which reads “…identifies the hosts.”, to “…indirectly identifies the hosts.”
CD Appendix F – Page 7 – first paragraph – reference to subnet 172.20.87.0/26 shouldinstead be to subnet 172.20.86.0/26.
9 th Printing(Applies to previous printings as well)
Page 139 – example 3-8 – last line of text before the thick black line – begins “Gi0/2” – underthe previous line’s heading “Vlan”, the text reads “1”. Replace with “trunk”. Make the samechange in the same example, on the next page, for SW3’s Gi0/1 interface.
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Page 182 – Paragraph after the example – 8 th line – reference to “10.1.128.2” should be “10.1.128.252”.
Page 185 – 1 st paragraph – 5 th line - 1 st word reads “10.2.128.0” – should instead be “10.1.128.0”.
Page 210 – 1 paragraph after table 5-4 – 2 nd line – instead of "second, third, and fourthsubnets…", it should read "second, third, and fifth subnets…". Then, in the next paragraph, 3 rd
to last line, the reference to "172.16.8.0/23" should instead be "172.16.6.0/23".
Page 328 – Figure 8-12 – box above router R2 – 2 nd route is listed as “172.30.11.0, metric 1”,should instead list “…metric 2”.
Page 608 – Bullet list – the commands should begin “ ipv6 ” instead of “ ip ”.
Page 635 – Chapter 4, Question 2 – the text “ ping 2.1.1.2 ” should instead be “ ping 2.2.2.2 ”.
8 th Printing(Applies to previous printings as well)
Page 48 – 3 rd to last line – MD5 digest (currently begins "0x76…" should be replaced with"0x1D 0x27 0xA9 0xF9 0x46 0xDF 0x66 0xCF".
Page 54 – table – last row on the page – vtp {server | client | transparent} should be vtpmode {server | client | transparent}
Page 161 – Question 5 – Re-state the question to the following: "Which one of the followinganswers describes an action or event that most directly causes a router's show ip routecommand to list an identifying code of S beside a route?"
Pages 192-193 – because of a change to Figure 4-8, to match the figure, IP address"168.13.200.1" on these pages should be changed to "168.200.1.1". (9 instances)
Page 345 – question 9 – answer A – change the bold text to be " ip ospf authenticationmessage-digest ". In the question, after this same command, add the text "and the ip ospf message-digest-key 1 md5 fred ".
Page 420 – table 11-3 – two instances of show protocols should instead read show ipprotocols.
Page 444 – 1 st paragraph under heading “PAP Configuration” – the PAP configuration alsorequires the interface subcommand ppp pap sent-username R1 password mypass onrouter R1, and ppp pap sent-username R2 password mypass on R2.
Page 569 – step 4 – the long command that begins " ip nat source …" should instead begin " ipnat inside source …"
Page 572 – 1 st bullet – the command that begins " ip nat source …" should instead begin " ipnat inside source …"
Page 641 – Question 7, Chapter 14 – Correct answers are B and D (not just D). Also add thistext to the explanation: "The reason answer B can also be true is that if the PVC with DLCI108 is inactive, the PVCs with DLCI 107 or 109 can be active, and the subinterface still beup/up."
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Page 635 – Chapter 5 question 3 – Letter answer should be "A", not "C and D".
7 th Printing(Applies to previous printings as well)
Page 41 – example 1-5 – 5 th line from the bottom (begins "MD5 digest…" – the hex value onthis line is incorrect; it should instead be identical to the value displayed on SW2, about half-way down page 40, inside the same example.
Page 60 – question 10 – output of show command – in the "Vlan" column, both interfacesshould be listed as in VLAN 1.Page 172 – last paragraph – 4 th line from the end – line begins "use ARP to f ined the defaultgateway's IP address." This phrase should instead end with "MAC address" instead of "IPaddress".
Page 186 – Figure 4-8 – PC on upper right, currently labeled "168.13.200.1" – should be"168.200.1.1". If you make this change, for completeness, on pages 192-193, also change the8 references to "168.13.200.1" to "168.200.1.1".
Page 188 – last paragraph – 5 th line – reference to "168.1.0.0" should instead be"168.13.0.0".
Page 223 – 1 st Paragraph – 3 rd line – Bold text reading “ no autosummary ” should read “ noauto - summary ”.
Page 248 – Table 6-5 – row for ports 67, 68 – last column lists "nameserver" – replace with"bootps (67) and bootpc (68)"
Page 328 – list item #2 – last word "R2" should instead be "R1".
Page 345 – Question 8 – answer E – delete the word "interface".
Page 412 – example 11-1 – 6 th printed line on the page – command show ip eigrp protocolsis incorrect; it should be listed as show ip protocols .
Page 488 – bottom of page – step 5 – command " frame-relay map ip dlci ip-address …" – thedlci and ip-address parameters should be swapped. Also, make the same change for this samecommand on page 489, step 6b.
Page 500 – 1 st paragraph – 6 th line begins "…command as a subinterface command.". Thissentence should be extended with the text "on multipoint subinterfaces, or as a physicalinterface subcommand." This is because the frame-relay map command is not allowed onpoint-to-point subinterfaces. For this same reason, the last sentence in this paragraph,beginning with "For example, on Atlanta…", should be deleted.
Page 517 – figure 14-8 – box on the left of the figure that lists 101, 103, and 104 – 101should be changed to 102.
Page 521 – table 14-6 – 2 nd row – command encapsulation frame-relay [ietf | cisco]should instead be encapsulation frame-relay [ietf] .
Page 578 – question 5 – change answer D to read "NDP" instead of "CDP"
Page 601 – last paragraph – to make it correct, delete the phrase in the first sentence thatreads "… meaning that all addresses that begin with FE80, FE90, FEA0, and FEB0.". Because
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all link local addresses have the same first 10 bits as "FE80::/10", with 54 binary 0's, all linklocal addresses actually begin FE80.
Page 635 – Chapter 4, Question 5 – Answers should be A, C, E. Explanation should be "The iproute command must define the static route; the "s" in the output means "static". However,the interface referenced or implies by the route must also be up/up, and IP must be enabledon the outgoing interface as well, typically with the configuration of the ip addresscommand."
Page 638 – Question 9 – the 2 nd bold command in the explanation should read " ip ospf authentication message-digest ".
“3 rd Printing, January 2008”(Applies to previous printings as well)
Page 146 – last paragraph – 3 rd line from the bottom – current reads “…active, VLAN 3 wouldnot be omitted…” – delete the word “not”.
Page 208 – figure 5-3 – three text errors exist. Near the center top, text "172.16.29.0/25"should instead be "172.16.2.0/24" (note both errors). Also, just to the right, text"172.16.3.0/25" should be "172.16.3.0/24".
Page 315 – table 8-3 – RIP-1 column – row for "supports autosummarization" – the cell shouldlist "yes", meaning RIP-1 does support autosummarization.
Page 328 – figure 8-12 – box on the right, just above R2 router icon – the line reading"172.30.11.0, metric 1" should instead list "…metric 2".
Page 345 – Question 9 - The bold text in answer “A” should contain the “authentication” keyword, so that it instead reads ip ospf authentication message-digest.
Page 367 – example 9-5 – of the two bold commands that both read "show ip ospf neighbor",the second should not have the neighbor parameter (it should be "show ip ospf").
Page 375 – Table 9-6 – 8 th row – first column lists "ip ospf authentication key-value" – itshould instead read "ip ospf authentication-key key-value".
Page 394 – paragraph before example 10-4 – end of 2 nd line – text "…alternative route's RD isless than or equal to…" – delete "or equal to".
Page 399 – example 10-6 – 2 nd to last line – the ip authentication eigrp 1 md5 commandshould instead be ip authentication mode eigrp 1 md5.
Page 491 – Example 14-4 – replace line reading frame-relay interface-dlci 53 ietf with frame-relay map ip 199.1.1.3 53 ietf.
Page 491 – paragraph beneath example 14-5 – replace line reading frame-relay interface-dlciwith frame-relay map.
Page 492 – paragraph beneath the note – replace "frame-relay interface-dlci" with "frame-relay map".
Page 565 – step 4 – the bold word "mask" should instead be "netmask". Also, at step 5, thecommand that begins "ip nat source…" should instead be "ip nat inside source…"
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Page 579 – question 7, answer E, which currently begins “FE80::6444…” should instead begin “FE80::4644…”
Page 584 – offset IPv6 address near the bottom of the page – i t's missing the last quartet.Add to the end ":1234".
Page 584 – end of 2 nd line, 1 st paragraph – text "…ranges assigned to NA-ISP2." should insteadbe "…ranges assigned to NA-ISP1.".
Page 596 – example 17-1 – 4 th line from bottom, which is also the last grayed line – the IPv6address that ends "3::1" should be "2::1", and the subnet number that ends "3::/64" shouldbe "2::/64".
Page 596 – 6 th line in example 17-1 – currently reads "! version is2340:1111:AAAA:0003:0000:0000:0001/64…" should have another quartet of 0000, with oneother typo, so that the address is "2340:1111:AAAA:0002:0000:0000:0000:0001/64".
Page 601 – 2 nd paragraph after figure 17-9 – delete sentence that reads “IPv4 has no conceptslike the link local IP address”. ( RFC 3921 defines the details of the IPv4 link local addresses,which are not otherwise covered in the book.)
Page 602 – table 17-8 – last row – 2 nd column – text "FF02:1:2" should instead be "FF02::1:2"(it's missing a colon after the first octet.)
Page 637 – Chapter 8, question 8 – The letter answer should be "D", not "A".
Page 643 – question 7 – the answer text lists interface ID “6444:44FF:FE44:4444”; i t shouldbe changed to start with “46” instead of “64”.
CD-only appendix F – page 15 – Figure F-4 – the lower-right of the 4 switches in the figureshould be labeled "SW4" instead of "SW3".
CD-only appendix F – page 29 – 1 st paragraph under the example – 3 rd line – "Fa0/5" shouldinstead be "Fa0/11".
CD Appendix F – page 7 – first paragraph – 2 nd line, 2 nd half currents reads "… and subnet172.20.87.0/26 (off R2's Fa0/1 interface)…" – instead, this phrase should read "…and subnet172.20.86.0/26 (off R1's Fa0/1 interface)…".
CD Appendix F – Page 53 and 56 – figures F-10 and F-12 – In both figures, R1's Fa0/1interface should instead be labeled as "Fa0/0".
3 rd Printing (Listed as “3 rd Printing,November 2007”)
(Applies to previous printings as well)
Page 43 – 2nd paragraph – last sentence – Replace “SW4” with “SW2”.
Page 345 – Question 9 - The bold text in answer “B” should not contain the “authentication” keyword, so that it instead reads ip ospf message-digest-key.
Page 357 – paragraph below figure 9-4 – the 2 references to “R1” should instead be “R2”,because the lowest-cost route is through R2, not R1.
Page 638 – Chapter 9, question 9 – the first instance of the bolded text should not contain the “authentication” keyword, so that it instead reads ip ospf message-digest-key .
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2 nd Printing(Applies to previous printings as well)
Page 121 – 1 st paragraph – three instances of the word “enabled” should instead read “disabled”. (1) towards end of 2 nd line: “…CDP can be easily enabled”, replace “enabled” with “disabled”. (2) first few words of the 3 rd line “…that CDP be enabled…”, again replace “enabled” with “disabled”. (3) towards end of the 5 th line: “…CDP can be easily enabled using the no cdpenable…” – again, replace “enabled” with “disabled”.
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