ccna practical cisco routers phần 4 ppsx
ccna practical cisco routers phần 4 ppsx
... correct interfaces (or interface cards used on the higher-
end routers) , get on the phone to Cisco (1-800 -46 2 -47 26) or your
local Cisco reseller.
After you have inventoried the router, cables, ... the Cisco IOS”).
Router CPUs
Routers aren’t unlike PCs in that they contain a microprocessor. And
just like PCs, different Cisco router models come with different
processors. For exa...
ccna practical cisco routers phần 2 ppsx
... 3.1 The T-Carrier Systems
Carrier Line Channels Total Data Rate
T1 24 1. 544 Mbps
T2 96 6.312Mbps
T3 672 44 .736Mbps
T4 40 32 2 74. 760Mbps
Telephone trivia
The Public Switched
Telephone Network (PSTN)
is ... the basic unit of the T-carrier system. It provides
246 4Kbps channels that can be combined to provide a total transmis-
sion bandwidth of 1. 544 Mbps. Several other T-carrier classe...
ccna practical cisco routers phần 1 ppt
... Commands 3 34
Miscellaneous Commands 3 34
B Selected Cisco Router Specifications 337
Router Selection 338
Cisco 7500 Routers 338
Cisco 45 00 Routers 339
Cisco 2500 Routers 340
Cisco 1000 Routers 341
A ... Transport Layer 40
The Network Layer 40
The Data-Link Layer 41
The Physical Layer 43
The Data-Link Sublayers 43
Real-World Network Protocols 44
NetBEUI 45...
ccna practical cisco routers phần 3 pps
... for
Cisco routers. Cisco s HDLC implementation is proprietary,
however, and will not communicate with other vendor’s HDLC
(this is why trying to mix routers from different vendors such as
Cisco ... as two routers) .
■ Point to Point Protocol (PPP) is another Data Link layer point-
to-point protocol supported by Cisco routers. It isn’t proprietary,
so it can be used to connect Cis...
ccna practical cisco routers phần 5 pptx
... information related to routers that are directly connected to
your router. These routers are typically referred to as neighbors.
Cisco routers have a proprietary protocol, Cisco Discovery Protocol
(CDP), ... information
related to neighboring routers. CDP uses Data Link broadcasts to
discover neighboring Cisco routers that are also running CDP (CDP
is turned on automatically on...
ccna practical cisco routers phần 6 docx
... End Address Broadcast
Address Address
1 200.10 .44 . 64 200.10 .44 .65 200.10 .44 .126 200.10 .44 .127
2 200.10 .44 .128 200.10 .44 .129 200.10 .44 .190 200.10 .44 .191
The big problem with subnetting a Class ... subnets would be
200.10 .44 .1-200.10 .44 .126 (200.10 .44 .127 is the broadcast address)
for subnet 0 and 200.10 .44 .129-200.10 .44 .2 54 (200.10 .44 .128 is the
subnetwork numb...
ccna practical cisco routers phần 7 docx
... Enter.
Your list is shown in Figure 14. 8.
PART IV Advanced Configuration and Configuration To o l s
CHAPTER 14 Filtering Router Traffic with Acc ess Lists
FIGURE 14. 8
An IPX Access list under
construction ... config-if mode.
Configuring high-end
routers
Routers that use modular
interface slots specify their
interfaces in a slightly dif-
ferent way. For example a
Cisco 7200 series route...
ccna practical cisco routers phần 8 potx
... Router with Cisco Con figMa ker
2 8 4
Delivering the Configuration to a Router
You can use ConfigMaker to build an entire internetwork diagram.
You can connect LANs and routers, hosts and routers, ... packages are available. Cisco
provides a free TFTP server application for registered Cisco product
users. The TFTP server software can be downloaded from the Cisco
site at www .cisco...
ccna practical cisco routers phần 9 docx
... interface with the frame type used
3 3 9
PART V
Cisco 45 00 R outers APPENDIX B
Cisco 45 00 Routers
The Cisco 45 00 routers are considered distribution-level routers and
are used as the central connection ... 2500 routers weigh-
ing in at only 10 pounds
can be carriedunder your
arm like a notebook.
Selected Cisco Router
S p e c i f i c a t i o n s
Router Selection
•
Cisco...
ccna practical cisco routers phần 10 ppt
... 2 54
deny statements, 244 - 247
grouping to an interface,
253-2 54
IP Access lists, 247 -2 54
IPX Access lists, 2 54- 256
operation, 244 - 246
permit statements, 244 - 247
wildcard masks, 248 -252
routing, 78
path ... system, 147 -150
loading from TFTP server,
297-298
Cisco routers
assembling, 115
checking your purchase, 115
Cisco 1000 routers, 341
Cisco 2500 routers, 340
Cis...