CCIE Practical Studies, Vol. I
ISBN: 1-58720-002-3
Cisco Press
Errata
Inside front cover, Regarding the table named “Ethernet Protocol Types’, refer to notes in book.
Page 21 – Regarding Figure 1-8, add subheading, ‘This may also be expressed as 1 to 4 and 2 to 5’.
Page 23 – Delete the third and fourth sentence of the first paragraph, which begins with “Sadly, these
companies…” and ends with “…deploy complex internetworks”.
Page 42 – Regarding Example 1-9, the ‘$’ should start a new line
Page 79 – The subheading should read ‘Brief Overview of Configuring TCP/IP for Windows 95/98’.
Page 82 – The last sentence of the second paragraph under the heading ‘Practical study for Chapter 1:
Setting Up’ should read, “These labs are for your own personal challenge when preparing for
the CCIE Lab Exam, and answers are supplied on the Cisco Press website,
www.ciscopress.com”.
Page 87 – Regarding Example 1-41, the lines that read:
o/r 0x2142
init
should be in bold.
Page 96 – Regarding Example 1-47, delete the word ‘carriage’.
Page 136 – The seventh sentence of the first paragraph should read, “When a reply for that frame is
received, the switch records the new address in the address table”.
Page 137 – Regarding Table 2-8, The last entry under the column ‘Broadcast Domain’ should read, “Each
port is configurable to be in the same or a separate broadcast domain.”
Page 141 – Delete the capital ‘Q’ from the fourth bulleted sentence on the page.
Page 151 – The heading ‘Configuring IP Permit Lists on Catalyst 4000/5500/6500 Switches should be in
bold.
Page 192 – Regarding Figure 2-15, the configuration under the heading ‘Yin’ should read:
Root VLAN 2
0004.275E.F5C1
Root VLAN 4
0004.275E.F5C2
Page 198 – Regarding Figure 2-16, the configuration under the heading ‘Yin’ should read:
Root VLAN 4
0004.275E.F5C2
Page 203 – The second sentence of the ‘Note’ should read, “What this means is that if you have the bit
stream 0110 1010, the most significant bit (MSB) is on the left and the least significant bit
(LSB) is on the right.”
Page 237 – The heading for Example 2-61 should read, ‘Setting Root for VLAN 17 and VLAN 128 on
gl_switch1’.
Page 242 – Regarding the bottom half of Figure 2-41, the circle that reads Ring 9 should be changed to
Ring 10.
Page 243 - The last sentence of the second paragraph should read, “Ports 1 and 2 will be in the TrCRF crfring10, with a parent TrBRF called brf10”.
The second to last sentence on the page should read, “Ring 10 will be entered as 0x0a when
you configure that ring”.
Page 244 – Regarding Figure 2-42, refer to the notes in the book.
Page 245-247 - replace Figures 2-46, 2-48, 2-49, and 2-50 with the replacement .bmp files provided in
addition to this errata document on ciscopress.com
Page 247 – The third sentence on the page should read, “Ports 3 to 24 will be assigned to TrCRF crf-ring8,
and ports 1 and 2 will be assigned to TrCRF crf-ring10”.
Page 267 – The second and third sentence of the second bulleted paragraph should read, “Otherwise, you
can use the correct speed of CSU/DSUs with a crossover cable between them. When using
actual CSU/DSUs, the clock rate interface command is not needed”.
Page 295 – Regarding Table 4-4, under the column ‘Dynamic Routing Updates Method’, the second and
third lines should read, respectively:
Snapshot routing
dialer watch
OSPF demand circuit
dialer watch
Delete the entire row of the table that begins with ‘RIP version 2…’
Page 325 – Regarding Example 4-25, the sixth line should read, “isp_router (config – if) #clock rate
2000000”.
Page 344 – The last sentence under the ‘-Cisco’ description should read, “LMI status information is sent on
DLCI 1023, but Cisco routers can listen on both DLCI 1023 and DLCI 0.”
The last sentence under the ‘-ANSI’ description should read, “LMI status information is sent on
DLCI 0.”
Page 351 – Regarding Table 5-2, Under the column ‘Point-to-Point Interface, the first sentence should read,
“Must use neighbor statements, or use the ip ospf network type broadcast, or ip ospf network
type point-to-point command on the interface”.
Page – 364 – The fifth sentence on the page should read, “They have no information letting them know that
the authorization center operates at only 64 kbps”.
Page 384 – Regarding Figure 5-8, refer to notes in the book.
Page 518 – The second paragraph should read, “Because link-state protocols rely on the use of periodic
hellos to retain a neighbor adjacency, snapshot routing can be used only with distance vector
protocols, such as IGRP and RIP for IP, RIP for IPX, and RTMP for AppleTalk.”
Page 564 – Regarding Figure 8-2, refer to notes in the book.
Page 621 – The second sentence on the page should read, “Because there is only one redistribution point in
the network, there is no need to perform extensive route filtering when using mutual
redistribution.”
The fourth sentence on the page should read, “The default metric chosen for RIP is 2, whereas
1000 1000 254 1 1500 is the default metric for EIGRP”.
Page 623 – The second sentence in the ‘Caution’ box should read, “Potential routing loops can
significantly increase if there is more than one redistribution point within the network.”
Delete the third sentence in the ‘Caution’ box.
Page 648 – The last sentence of the fifth bulleted paragraph should read, “For a specific example and more
practice with the distance command, see Chapter 9 lab 20”.
Page 650 – The last sentence of the first bulleted paragraph should read, “For example, if the variance is set
to 3 and traffic-share is set to balanced, the best route transports traffic three times that of the
worst route”.
Page 657 – Regarding Figure 10-5, the heading should read ‘IGRP Default Network’.
Page 661 – The fifth sentence of the third paragraph should read, “The ocean_warrior, mirage and
sirenian routers run IGRP on major network of 172.16.0.0."
Delete the sixth sentence of the third paragraph.
Regarding Example 10-14, concerning the second box of configurations for the ‘hostname
ocean_warrior’, delete the line that reads: network 110.0.0.0
Page 665 – The first sentence on the page should read, “Next, you need to filter the ocean_warrior subnet
of 172.16.128.0/24 from the mirage router”.
Page 666 – Regarding Table 10-23, concerning the second box of configurations for the ‘hostname
ocean_warrior’, delete the line that reads: network 110.0.0.0
Page 672 – Regarding Table 11-1, Under the column ‘Delay’ all of the times should be represented in
Microseconds.
Page 674 – Regarding Figure 11-1, refer to the notes in the book.
Page 675 – Regarding Figure 11-2, refer to the notes in the book.
Page 691 – Delete the last sentence on the page.
Page 704 – The fifth sentence on the page should read, “The route to null will discard any packets that this
router does not have an explicit route to”.
Page 705 – The first sentence on the page should read, “For autosummarization to work properly,
discontiguous subnets at the major bit boundaries must be avoided at all costs”.
Page 725 – The second sentence on the page should read, “The stillwater router will not have routes to the
Frame Relay multipoint network, 192.168.1.0/29, or the Ethernet network, 172.16.5.0/25 on the
wisconsin router”.
Page 729 – The second sentence of the second paragraph should read, “Solar Bucks Inc., G & S INC of
Switzerland, and Barneys have decided to share common networks while providing new
services to their customers”.
Page 742 – The eighth bulleted sentence should read, “OSPF supports a classless route table lookup and is
not susceptible to classful routing problems, such as discontiguous subnets”.
The last sentence of the paragraph under the bulleted items should read, “In this chapter, the
technical operation of OSPF is discussed along with the configuration aspects of OSPF”.
Page 760 – The third sentence of ‘Step 3’ should read, “ I like to think of the process_id as an Autonomous
System ID”.
Insert this as the fifth and sixth sentences of ‘Step 3’ “This is not a technical requirement,
but a suggestion for network documentation”. “The process ID is only used internally by
the router”.
Page 761 – Regarding Table 12-3, refer to notes in book.
Page 776 – The fourth sentence in the first paragraph should read, “For a neighbor to form, the
HelloInterval, RouterDeadInterval, area Ids, and authentication type and password, stub area
flag, MTU must match.”
Page 783 – The first configuration on the page should read:
Router (config-route) area X stub
Page 789 – Regarding Example 12-21, the first line should read:
passive-interface Ethernet0
No OSPF hellos out E0 (optional)
Page 847 – The first bulleted sentence on the page should read, “IEEE 802.1d Spanning-Tree Protocol
(STP)”.
Page 896 – The third sentence in the ‘Note’ box should read, “When I learned to configure DLSw+, it
quickly became my only choice for transporting nonroutable protocols, such as SNA, NetBEUI,
and NetBIOS”.
Page 910 – Regarding Example 13-24, the heading should read, ‘show dlsw peers Command Output
Page 921 – The second sentence of the fourth paragraph should read, “The peers on falcon and skywalker
are configured as promiscuous, so no remote peer statements are needed for DLSw routers to
establish a peer connection with these routers”.
Page 933 – Regarding Figure 13-42, refer to notes in the book.
Page 937 – The second sentence of the first paragraph under the heading, ‘SNA SAPs’ should read,
“Fortunately, they can be filtered with a single wildcard SAP of 0x0D0D”.
The last line on the page should read, “Router (config) #access-list 200 permit 0x0000
0x0D0D”.
Page 938 – Delete the first configuration on the page, which begins with “Or, Simply:…”
The last line under the heading ‘NetBIOS SAPs’ should read, “Router (config) #access-list 200
permit 0xF0F0”.
Page 940 – The third sentence of the second paragraph should read, “To accomplish this, configure an
access list in the 200s range, permitting SAP 0x0d0d”.
The first configuration on the page should read, “access-list 201 permit 0x0000 0x0D0D”.
Regarding Figure 13-44, refer to the notes in book.
Page 954 – The seventh sentence of the second paragraph should read, “The next bit, the D or direction bit,
is set to 0, indicating that the RIF is read from left to right, or forward”.
Page 960 – The first sentence of the second ‘hyphenated’ paragraph should read, “Configure a backup peer
from beerbelly to the lone_rhino router, backing up the peer from beerbelly to the wolf”.
Page 973 – Regarding Example 13-63, the second to last line should read, “access-list 201 permit 0x0000
0x0D0D
←Allow SNA only”.
Page 1032 – Regarding Table 15-1, the first sentence under the column ‘Definition’ should read, “The IP
address(s) assigned to the host(s) on the network that is to translate”.
Page 1065 – The first sentence on the page should read, “In this lab, the harms_co router believes that its IP
address is 198.100.1.10 and that the remote peer address is 190.10.1.1”.
Page 1142 – Under the heading ‘Section VIII: BGP Configuration’, statement #3 should read, “Have R2
advertise the supernet of 128.200.0.0 into the rest of the lab network, R1, R2, R3, R4, R6, R7;
suppress all other subnets of 128.200.0.0”.
Page 1150 – Statement #2 at the top of the page should read, “Configure EIGRP between R1, VLAN 2, and
R4 Ring 1 and provide connectivity via EIGRP”.
The last two lines on the page should read:
Deny FTP, HTTP from 131.24.194.x
Deny FTP, HTTP from 131.25.194.x
Page 1151 – The first line on the page should read:
Deny FTP, HTTP from 135.152.1.1
Delete the second line on the page.
The third and fourth lines on the page should read:
Deny FTP, HTTP from 131.24.195.x
Deny FTP, HTTP from 131.24.193.x
Page 1152 – The second to last sentence on the page should read, “Prevent this from happening”.
Page 1154 – Regarding Example 18-5, refer to notes in the book.
Page 1157 – Regarding Figure 18-6, refer to notes in the book.
Under the heading ‘Section II: Catalyst/LAN Configuration’, add the following sentence to
statement #1, “Assign the management interface of the token ring switch the IP address of
10.10.10.10”.
Page 1158 – Statement #3 at the top of the page should read, “Configure VTP, such that VTP updates will
be listened to and forwarded, but not used to update the VLAN database”.
Under the heading ‘Section III: OSPF and Frame Relay Configuration’, statement #2 should
read, “R2, R3, and R4 should share the same IP subnet; configure OSPF Area 10 between the
routers”.
Under the heading ‘Section V: ISDN Configuration’, add the following sentence to statement
#3 “The ISDN should not excessively dial and only work during a loss of Frame Relay
service”.
Page 1159 – The first sentence of statement #5 should read, “Apply a static SAP to R6 that is three hops
away”.
Under the heading ‘Section VIII: Miscellaneous Cisco IOS Software Configuration’,
statement #1 should read, “Configure custom queuing on R4 with the following guidelines:
EIGRP, OSPF, and IPX traffic have an average packet size of 500 and need 25 percent of the
link. WWW traffic has an average packet size of 1412 and will get 10 percent of the link.
The average packet size for the default queue is 700 and will get 65 percent of the link.
Assign the queue the Frame Interface”.
Delete statement #4 under the heading ‘Section VIII: Miscellaneous Cisco IOS Software
Configuration’.
Page 1160 – The last sentence of statement #1 under the heading ‘Section IX: BGP Configuration’ should
read, “Also configure an EBGP from R2 to R4 and from R3 to R4 so that there are three exit
points from AS 2001”.
Delete statement #4 under the heading ‘Section IX: BGP Configuration’.
Under the heading, ‘Section XI: Miscellaneous Cisco IOS Software Features’, the last
sentence of statement #2 should read, “Use cisco as the password, and a stratum of 6”.
Under the heading, ‘Section XI: Miscellaneous Cisco IOS Software Features’, the second
sentence of statement #3 should read, “Assign Telnet, OSPF, and IPX to the high-priority
queue, and assign WWW to the low-priority queue”.
Page 1166 – Under the heading, ‘Section III: OSPF and Frame Relay Configuration’, the third sentence of
statement #2 should read, “Do not change the OSPF network type on R1”.