Tài liệu giảng dạy CCNA - module 04 chapter 16-Virtual LANs and Trunking

... Point-to-point only • Attached to dedicated switched port • Requires full-duplex support on both ends • Collision free • Collision detect circuit disabled 11 CONFIGURING CISCO 2950 LAN SWITCHES ... Switch(config)#mac-address-table static FastEthernet vlan  To remove this entry use the no form of the command:  Switch(config)#no mac-address-table ... show commands to verify Catal...

Ngày tải lên: 12/08/2015, 09:19

... stop the loop Solution: Spanning -Tree Protocol x Block Provides a loop free redundant network topology by placing certain ports in the blocking state Spanning -Tree Operations • One root bridge ... Spanning -Tree Protocol Root Bridge Selection Switch X Default priority 32768 (8000 hex) MAC 0c0011111111 BPDU Switch Y Default priority 32768 (8000 hex) MAC 0c0022222222 BPDU = Bridge pro...

Ngày tải lên: 12/08/2015, 09:19

... Compared  Both ISL and 802.1q provide trunking  Both allow the use of a 12-bit-long VLAN ID field So, either works fine and supports the same number of VLANs  Both support a separate instance ...    Maximum number of VLANs is switch-dependent Catalyst 1900 supports 64 VLANs with a separate spanning tree per VLAN VLAN1 is One of the factory default VLANs CDP and VTP advertisement...

Ngày tải lên: 12/08/2015, 09:19

... and Fragment-free switching 3 LAN Segmentation LAN Segmentation Isolate traffic between segment achieve more bandwidth LAN Segmentation With Bridges LAN Segmentation With Routers LAN Segmentation ... the LAN not behave any differently in the presence or absence of transparent bridges 2 LAN Switching Switch operation      A multi port bridge Micro-segment Support full...

Ngày tải lên: 12/08/2015, 09:19

... components in an ISDN network • Configure ISDN BRI and legacy dial-on-demand routing (DDR) • Verify DDR operation using show and debug commands 32 ... completion of this chapter, you will be able to perform the following tasks: • Describe the components that make up ISDN connectivity • Configure ISDN BRI and legacy dial-on-demand routing (DDR) • ... Voice, data, video, and sp...

Ngày tải lên: 12/08/2015, 09:18

... message-digest hashing algorithm to use ! and key value Router(config-if)#ip ospf message-digest-key key-id md5 encryption-type key • • • • The value of encryption-type field is means none and means ... Objectives  Describe the differences between EIGRP and IGRP  Describe the key concepts, technologies, and data structures of EIGRP  Understand EIGRP convergence and the bas...

Ngày tải lên: 12/08/2015, 09:20

... but others not Cabling and Connectors STP Cable 10 ScTP Cable 11 UTP Cable 12 RJ-45 Plug 13 Coaxial Cable 14 10BASE-2 AND 10BASE-5 CONNECTORS 15 Multimode Fiber 16 Single-mode Fiber 17 Other Optical ... mold as an RJ-45 connector, which makes it easy to install 19 WIRELESS COMMUNICATION 20 Wireless LAN Organizations And Standards  A key technology contained within the 802.11 standard...

Ngày tải lên: 12/08/2015, 09:13

... ring topology connects one host to the next and the last host to the first • This creates a physical ring of cable Network Topology: Physical layout A star topology Connects all cables to a central ... hubs and/or switches together the system is linked to a computer that controls the traffic on the topology Network Topology: Physical layout • Each host has its own connections to...

Ngày tải lên: 12/08/2015, 09:13

... Table of Content The TCP/ IP protocol architecture The OSI model THE TCP/ IP PROTOCOL ARCHITECTURE The TCP/ IP Application Layer  TCP/ IP application layer protocols provide services ... Please Reliably Send This, Mr TCP! TCP Web client HTTP Get HTTP Get TCP Acknowledgment TCP HTTP Ok Web page TCP Acknowledgement Summary: Same-Layer and Adjacent-Layer Interactions So...

Ngày tải lên: 12/08/2015, 09:13

... manufacturer or vendor Using MAC addresses Data A D Data A D Data A D Data A D Destination Address Source Address Data Link Function 3: Error Detection  Most data- link protocols include a frame check ... burned-in addresses (BIAs) because they are burned into read-only memory (ROM) and are copied into random-access memory (RAM) when the NIC initializes  0000.0c12.3456 or 0...

Ngày tải lên: 12/08/2015, 09:13

... 11000000 N 1010 10000 N 00 0010 10 00000000 N H 11000000 1010 10000 00 0010 10 N N N 00000000 sN H Class B Network address: 132.10.0.0 100 0010 0 N 100 0010 0 N 00 0010 10 N 00000000 N H 00 0010 10 N 00000000 ... Known IP: IP: Unknown IP Address Unknown IP Address Gateway Gateway IP of server IP of server Filename of Filename of boot file boot file BOOTP server MAC1 – IP1 M...

Ngày tải lên: 12/08/2015, 09:13

... 1010 1100 0 0010 000 0000 0010 1010 0000 Host 255.255.255.192 11111111 11111111 11111111 11000000 Mask 1010 1100 0 0010 000 0000 0010 10000000 Subnet 1010 1100 0 0010 000 0000 0010 1011 1111 Broadcast 1010 1100 ... 192.168.5.121: 11000000 1010 1000 000 0010 1 011 11 001 255.255.255.248: 11111111 11111111 11111111 11111000 Subnet: 11000000 Broadcast: 11000000 1010 1000 000 0010 1 011 11000...

Ngày tải lên: 12/08/2015, 09:13

... sequence numbers and acknowledgments The Transmission Control Protocol TCP: Three way handshaking A B TCP: Window and Acknowledgment TCP: Sliding window and Acknowledgment TCP: Sequence and acknowledgment ... that use UDP include: TFTP, SNMP, DHCP, DNS UDP Header format 68 -7 FC R  UDP is a simple protocol that exchanges datagrams, without acknowledgments or guaranteed d...

Ngày tải lên: 12/08/2015, 09:13

... Upload ADSL 1.54 4-8 .192Mbps 1 6-6 40Kbps SDSL 1.54 4-2 .048Mbps 1.54 4-2 .048Mbps HDSL 1.54 4-2 .048Mbps 1.54 4-2 .048Mbps IDSL 144Kbps 144Kbps RADSL 64Kbps-8.192Mbps 1 6-7 68Mbps CDSL 1Mbps 1 6-1 60Kbps 21 Protocols ... rate than modems  B channels are suitable for negotiated Point-to-Point Protocol (PPP) links 14 ISDN channels  ISDN uses out-of-band signaling, the delta...

Ngày tải lên: 12/08/2015, 09:18

... Data-Link Protocols for Point-to-Point Leased Lines Authentication Over WAN Links Review of WAN Basics Overview of WAN  The three main categories of WAN options:  Leased point-to-point lines ... Dial lines (also called circuit-switched lines)  Packet-switched networks Physical Components of Point-to-Point Leased Lines TELCO CSU CSU WAN switch CPE CO Demarc CPE WAN switch CO Demarc Da...

Ngày tải lên: 12/08/2015, 09:18