a basic two router configuration

... Configure an IP address for router1 ’s Serial0 interface (refer to the table for IP addresses and masks) and activate the interface Practice using abbreviated commands for both interface serial0 and ... enable secret cisco 25 Configure an IP address for Fast Ethernet 0/0 on router2 and activate the interface (see the diagram above for IP addresses and masks) Router2 is 2600 modular router and ... the clock rate on the Router Serial interface activate serial and Ethernet interfaces verify router3 can ping router1 verify router3 can ping router4 save the configurations to NVRAM Copyright...

Ngày tải lên: 29/09/2013, 22:20

... than NVRAM You also want to back up your router' s IOS software image in case your router suffers a critical failure Finally, you want to test these backups by restoring them to your router Task ... of Flash memory that the system image file takes up will vary from router to router There should be at least several megabytes of Flash memory still available, however Task 2, Step - copy flash ... Back up a router configuration file to a TFTP server Step 1-1 Enter privileged EXEC mode Step 1-2 Save your running configuration to NVRAM What command saves your running configuration to NVRAM?...

Ngày tải lên: 27/10/2013, 07:15

... than NVRAM You also want to back up your router' s IOS software image in case your router suffers a critical failure Finally, you want to test these backups by restoring them to your router Task ... of Flash memory that the system image file takes up will vary from router to router There should be at least several megabytes of Flash memory still available, however Task 2, Step - copy flash ... Back up a router configuration file to a TFTP server Step 1-1 Enter privileged EXEC mode Step 1-2 Save your running configuration to NVRAM What command saves your running configuration to NVRAM?...

Ngày tải lên: 11/12/2013, 13:15

... 11:24:07 AM Show AAA values Show commands for AAL2 List access expression List access lists Accounting data for active sessions Adjacent nodes Display information about a specific Alarm Interface Card ... the router would automatically forward directed broadcasts As you may recall from Chapter 3, each network number has its own broadcast address You can send packets with this address as a destination, ... commands as well as many more advanced management and troubleshooting commands These commands include extended ping and trace abilities, managing configuration files and IOS images, and detailed...

Ngày tải lên: 11/12/2013, 13:15

... 11:24:07 AM Show AAA values Show commands for AAL2 List access expression List access lists Accounting data for active sessions Adjacent nodes Display information about a specific Alarm Interface Card ... the router would automatically forward directed broadcasts As you may recall from Chapter 3, each network number has its own broadcast address You can send packets with this address as a destination, ... commands as well as many more advanced management and troubleshooting commands These commands include extended ping and trace abilities, managing configuration files and IOS images, and detailed...

Ngày tải lên: 11/12/2013, 13:15

... serial interface Serial on router GAD a From the global configuration mode, configure interface Serial on router GAD Refer to the interface chart GAD(config)#interface serial GAD(config-if)#ip address ... proper IP address, subnet mask, and default gateway a Host connected to router GAD IP Address: Subnet mask: 255.255.0.0 Default gateway: - 10 172.16.0.2 172.16.0.1 CCNA 3: Switching Basics and Intermediate ... d Save the configuration changes to NVRAM so that the changes are not lost if there is a system reload or power outage Router Command Modes Command Mode Router Prompt Displayed Access Method...

Ngày tải lên: 21/12/2013, 19:15

... 1-7 Chapter Basic Router Configuration Configuring Basic Parameters Configuring a Loopback Interface The loopback interface acts as a placeholder for the static IP address and provides default ... Configuration Configuring Basic Parameters Configure Fast Ethernet LAN Interfaces The Fast Ethernet LAN interfaces on your router are automatically configured as part of the default VLAN and as such, ... Cisco router, some basic configuration has already been performed All of the LAN and WAN interfaces have been created, console and VTY ports are configured, and the inside interface for Network Address...

Ngày tải lên: 23/03/2014, 00:20

... Header Option Data … 14 Destination unreachable I don not know How to get to Z! Send ICMP Send Data To Z A C Data network To Z Destination unreachable • An ICMP destination unreachable message ... existence of a better gateway to a remote network • Like all ICMP messages, ICMP control messages are encapsulated within an IP datagram • ICMP uses IP datagrams in order to traverse multiple networks ... network changes to routers • Does not correct the encountered network problem 13 Encapsulation of an ICMP in an IP packet Frame Header Datagram Header Type ICMP Header 16 Code ICMP Data 31 Checksum...

Ngày tải lên: 12/08/2015, 09:20

... Use Show command to display configuration information stores in RAM and NVRAM RAM : Router# show running-config NVRAM : Router #show startup-config 6- Be sure that all password, which have been configured ... not avaiable at the moment) + Save the configuration to NVRAM Router # copy running-config startup-config +Copy file startup-config from router to TFTP server at 192.168.1.253 Router# copy startup-config ... 123456 The password above is clear text To secure we use secret password Router (config)#enable secret 123456 Note : After you assign a secret password It will replace clear text password 5-...

Ngày tải lên: 13/11/2012, 10:56

... interface might be suspect The advantages and disadvantages of the ROM emulator are listed in Table 6.2 Table 6.2: Advantages/disadvantages of ROM emulator Advantages of the ROM emulator Disadvantages ... section explains, a ROM emulator offers many other advantages as well The advantages and disadvantages of the debug kernel are summarized in Table 6.1 Table 6.1: Advantages/disadvantages of the ... usually an issue A little later, you’ll read about the advantages of real-time trace as a way to view code flow Some ROM emulators also offer this feature so that you can take a snapshot of real-time...

Ngày tải lên: 30/09/2013, 01:20

... Semester Skills Based Final – Part Router Configuration – Cont (Individual performance - 60 pts – pts each) District Router DO1 Interface Serial IP addr: 171.17.255.65 Interface Serial IP addr: 171.17.255.1 ... (From assigned range above) Appropriate Routing Protocol Workstation Address: (From assigned range above) Initials: _ Initials: _ Initials: _ Initials: _ Initials: _ Initials: ... Workstation Address: 14 Can access district router via web browser 15 Cannot access district router s serial interface via telnet Points Scored: Initials: Initials: Initials:...

Ngày tải lên: 16/10/2013, 21:15

... 'su name' where name is an account on the system It'll ask you for the account password, then, *presto* instant transmogrification A Caveat for smart alec hackers: Unix typically logs usage of ... Notice I said 'if' the passwords are there Some horrible, paranoid, draconian system administrators mutilate their passwd files in such a way that (*gasp*) the passwords ... instead of a backwards one Also, the basic Unix directory navigation command is identical to DOS In order to change directories, you use the command 'chdir', or 'cd' A quick example: /usr1/astoria...

Ngày tải lên: 20/10/2013, 07:15

... of usable subnets Range of Host Addresses For this subnet Maximum usable hosts per subnet Major Network Address (Classful network address) Broadcast Address of This Subnet Semester Skills Based ... answers are worth appx points each (total of 20) (Show all work on back of sheet!) Subnetting Exercise A Host IP Address Subnet Mask Subnet Address of This Subnet or Wire Addr Class Maximum number ... Skills Based Final – Part Subnet Exercise (Individual Performance - 20 pts) Instructor or proctor will provide two pieces of basic information and you must fill in the remaining blanks Correct answers...

Ngày tải lên: 05/11/2013, 12:15

... Customer agrees to comply with all applicable laws including all applicable export and import laws and regulations d Neither party may bring an action, regardless of form, more than two years after ... configuration data Activating SSL VPN upgrade packages When you download a new version of the software to the Nortel VPN Router, the software package is automatically decompresses and is marked as ... VPN Router Administration (NN46110-603) provides information about system administrator tasks such as backups, file management, serial connections, initial passwords, and general network management...

Ngày tải lên: 06/11/2013, 14:15

... each router Router Name Router Serial Port Router Serial Port Router A Router B Step Identify and locate the proper V.35 cables a Next, inspect the serial cables available in the lab Depending ... the IP address of each PC is on the same network as the default Gateway, which is the Ethernet interface of the connected router The default Gateway is required on local area networks that are connected ... installed • Two Ethernet 10BaseT or Fast Ethernet switches or two hubs • Two routers with an RJ45 Ethernet or Fast Ethernet interface (or an AUI interface) and at least one serial interface •...

Ngày tải lên: 11/12/2013, 14:15

... that the IP address of each PC is on the same network as the default gateway, which is the Ethernet interface of the connected router The default gateway is required on local area networks that ... a Router configuration The routers should be preconfigured by the instructor or lab assistant so that the Ethernet interface on each router has the proper IP address and subnet mask as indicated ... a WAN link Record the information below If there is more than one serial interface, use Interface on each router Router Name Router Serial Port Router Serial Port Router A Router B 3-7 CCNA 1:...

Ngày tải lên: 11/12/2013, 14:15

... Credentials (RADIUS) dialog box appears Configure Database Authentication (LDAP) Specify User Name and Password Click to enable the LDAP User Name and Password to authenticate user identity Authentication ... The LDAP server is always queried first, then RADIUS, if applicable Configure the Load Balance settings Click to enable Load Balancing of one VPN Router with an alternate VPN Router Load Balancing ... Authority are trademarks of Entrust Technologies, Incorporated Java is a trademark of Sun Microsystems Linux and Linux FreeS/WAN are trademarks of Linus Torvalds Macintosh is a trademark of Apple...

Ngày tải lên: 13/12/2013, 09:15

... load balancing of packets to a destination that is reachable over more than one physical interface To add an Known OSPF Area, click Add Note: The Known OSPF Areas section displays all OSPF areas ... disable and reenable OSPF, it no longer runs Virtual link support OSPF requires that all nonbackbone areas have at least one connection to the backbone area (area 0) If an area has no physical ... information within an area Each Area ID must be unique for OSPF By default, all Nortel VPN Routers have an area named 0.0.0.0 The Add > OSPF Area window appears Enter the IP address in the Area ID box...

Ngày tải lên: 13/12/2013, 09:15

... Available IPSEC Services, Available L2TP & L2F Services, Available FWUA Services, Available Radius Services, Available HTTP, HTTPS Services, Available SNMP Services, Available FTP Services, Available ... Trademarks Nortel, the Nortel logo, and the Globemark are trademarks of Nortel Networks Adobe and Acrobat Reader are trademarks of Adobe Systems Incorporated Cisco and Cisco Systems are trademarks ... VPN Router Stateful Firewall row, click Manage Policies A window appears and loads the VPN Router Stateful Firewall Manager Enabling firewall options You can select only one firewall choice at a...

Ngày tải lên: 13/12/2013, 09:15