configuring a catalyst switch

... priority and MAC address. • With STP, ports transition through four states: blocking, listening, learning, and forwarding. • If a change occurs to the network topology, STP maintains connectivity ... protocol used to maintain a loop-free network. • STP establishes a root bridge, a root port, and designated ports. • With STP, the root bridge has the lowest bridge ID, which is made up of the ... Inc. All rights reserved. ICND v2.0—3-10 Spanning-Tree Example © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—3-7 • Spanning-tree transits each port through several different states: Spanning-Tree...

Ngày tải lên: 08/07/2013, 01:27

Ngày tải lên: 17/02/2014, 08:20

... Inc. All rights reserved. ICND v2.0—3-9 Learning Addresses • Station A sends a frame to station C. • Switch caches the MAC address of station A to port E0 by learning the source address of data ... to transmit frames: store and forward, cut-through, and fragment-free. • Switches and bridges maintain a MAC address table to store address-to-port mappings so it can determine the locations ... layer switch • Build a functional access switch configuration to support the specified network operational parameters, given a network design • Execute an add, move, or change on an access layer...

Ngày tải lên: 08/07/2013, 01:27

... Switch# delete flash:vlan.dat Delete filename [vlan.dat]?[enter] Delete flash:vlan.dat? [confirm] [enter] If there was no VLAN file, this message is displayed. %Error deleting flash:vlan.dat ... Re-enable access to the switch HTML pages as follows: ALSwitch(config)#ip http server Step 7 Restart the switch a. Restart the switch using the reload command to see if the new IOS loaded. ... configuration, refer to the Basic Switch Configuration lab. Step 2 Configure the host attached to the switch Configure the host to use the same IP subnet for the address, mask, and default gateway...

Ngày tải lên: 16/10/2013, 21:15

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 24/01/2014, 19:20

... mammalian hosts. These animals, usually pigs, act as a transformer or converters; creating a strain that can more readily infect humans. Pigs can be infected with both avian and human influenza A ... infects mammalian hosts. These animals, usually pigs, act as a transformer or converters; creating a strain that can more readily infect humans. Therefore swine can be infected with both avian and ... an intestinal virus change to that of a respiratory airborne-virus that is adapted to the mammalian lung? Second, the viruses must adapt to environmental changes, able to withstand temperate,...

Ngày tải lên: 02/11/2012, 11:12

... Interface Serial0, changed state to administratively down %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down • Administratively turns off an interface Disabling or Enabling ... Interface Serial0, changed state to up • Enables an interface that is administratively shut down Router#configure terminal Router(config)#interface serial 0 Router(config-if)#shutdown %LINK-5-CHANGED: ... organization there is additional structure. • A subnet address is created by borrowing bits from the host field and designating them as the subnet field. The number of borrowed bits is variable...

Ngày tải lên: 08/07/2013, 01:27

... layout is clear and easy to navigate, and it is a major reason why these firewalls are so popular. In the following sections, we'll discuss each of the navigation buttons, and the pages available ... cause an average of about an hour of Internet downtime per year, which means that they're about 99.99% reliable. This downtime is usually due to an external circuit failure that causes an ... accidentally downloading a Trojan horse are just a few of the ways that a hacker might be able to gain access to the web based firewall management interface from the interior of− 202 The Registration...

Ngày tải lên: 29/09/2013, 13:20

... dissemination, KU=knowledge use) RESEARCH ARTICLE Knowledge and Process Management 240 R. McAdam & Research Article Knowledge Management as a Catalyst for Innovation within Organizations: A Qualitative ... will disseminate and embody new knowledge far beyond the organizational boundaries, leading to increased innovative partnerships and alliances (Nonaka and Takeuchi, 1995). If organizations are to systematically ... an essential part of the organization (Hedlund and Nonaka, 1993). McCartney (1998) states that `the activities that give rise to innovation are basically RESEARCH ARTICLE Knowledge and Process Management 234...

Ngày tải lên: 18/10/2013, 12:15

... Data Storage Location page, accept the defaults for where you want to put the Certificate database and Certificate Database Log. You have the option to Store configuration information in a ... Configuring a gateway to gateway VPN is easy using ISA Server. The reason why it’s so easy is that the Local and Remote VPN Wizards make the setup a virtual no-brainer. Well, it’s a no-brainer ... certificate that can give you a headache. In this lab we’ll put together a five computer VMware network that includes two VPN servers, a domain controller, a stand-alone root CA and a server...

Ngày tải lên: 18/10/2013, 14:15

... known as a delimiting character. The delimiting character must surround the banner message and can be any character so long as it is not a character used within the body of the message. Router(config)#cc cc ll ll oo oo cc cc kk kk ... a delimiting character. The delimiting character must surround the banner message and can be any character so long as it is not a character used within the body of the message. Router(config)## ## bb bb aa aa nn nn nn nn ee ee rr rr ... PP PP ll ll ee ee aa aa ss ss ee ee ee ee nn nn tt tt ee ee rr rr yy yy oo oo uu uu rr rr uu uu ss ss ee ee rr rr nn nn aa aa mm mm ee ee aa aa nn nn dd dd pp pp aa a a ss ss ss ss ww ww oo oo rr rr dd dd ...

Ngày tải lên: 19/10/2013, 00:20

... Recall that interarea (IA) routes point to networks in different areas within the same OSPF autonomous system. Because Area 2 is a stub area, all external routes (Type 5 LSAs) have been ... a default route. Step 4 You decide that stub area configuration is not making a significant-enough impact on Area 2. Because Capetown can use the default route to its ABR for all nonlocal ... nonlocal area traffic, you decide to filter Type 3 and Type 4 interarea routes from Area 2. To do this, you must configure Area 2 as a totally stubby area, which is a Cisco proprietary feature....

Ngày tải lên: 27/10/2013, 08:15

... information about Serial interface 0 on GAD a. Enter the command show interface serial 0 on GAD. Refer to interface chart. GAD#show interface serial 0 This will show the details of interface ... interface even though a specific router may contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation that can be used in IOS command ... the name and passwords for Router 1 a. On Router 1, enter the global configuration mode and configure the hostname as shown in the chart. b. Configure the console, virtual terminal and enable...

Ngày tải lên: 05/11/2013, 12:15

... information about Serial interface 0 on GAD a. Enter the command show interface serial 0 on GAD. Refer to interface chart. GAD#show interface serial 0 This will show the details of interface ... interface even though a specific router may contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation that can be used in IOS command ... console, virtual terminal and enable passwords as shown in the previous chart. Step 7 Configure serial interface Serial 0 From the configure terminal mode, configure serial interface Serial 0 on...

Ngày tải lên: 11/12/2013, 13:15

... Cisco Catalyst Switch 4006 và 3524XL Trang 38 2/2 1-2 Catalyst4 006> (enable) Catalyst3 524_1#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Catalyst3 524_1(config)#interface ... Catalyst3 524_1(config)#interface gi0/1 Catalyst3 524_1(config-if)#switchport mode trunk Catalyst3 524_1(config-if)#switchport trunk encapsulation dot1q Catalyst3 524_1#sh interfaces gigabitEthernet 0/1 switchport Name: ... 48 Total MAC address(es): 48 Total global address space used (out of 1024): 0 Status: installed Module 7: Total ports: 24 Total MAC address(es): 223 Total global address space used...

Ngày tải lên: 20/12/2013, 22:15

... c a mộ t interface sau khi hết thời gian forward-delay c a trạng thái blocking. Interface sẽ được chuyển đổi sang trạng thái này khi spanning tree quyết định là interface này sẽ được tham gia ... loopback. - Switch có tất cả các port c a nó đóng vai trò là designated hoặc đóng vai trò là backup thì swtich là root swtich. Switch có ít nhất một port c a nó đóng vai trò là designated thì switch ... chuyển frames. + Learning: Interface ở trạng thái này sẽ chuẩn bị tham gia vào quá trình chuyển frame + Forwarding: Interface ở trạng thái này sẽ có khả năng chuyển frame + Disable: Interface...

Ngày tải lên: 22/12/2013, 22:17

... interface and assign it an IP address. I like to use 1.1.1.1 for an IP address. It doesn't matter what you are using for an IP address or mask, so you might as well make it a /32 mask. For example: CertificationZone ... more additional routers. Attach the octopus cable's RJ-45 connectors into the console ports. Configuration Tasks This lab is a walk-through scenario. We will configure and check each step along ... know this material well enough. This particular lab is important because, once you have mastered the ability to build a terminal server quickly, you can work on your other practice scenarios much...

Ngày tải lên: 18/01/2014, 04:20

Ngày tải lên: 18/01/2014, 04:20