300-410 enarsi cisco press

300-410 enarsi cisco press

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4.Now ping the remote network on R1 from R2. Switch-1(config)#vlan 20 Switch-1(config-vlan)#name Management-VLAN Switch-1(config-vlan)#exit illustrated in the following output: DNS on a Router Lab R1(config-router)#network 172.16.0.0 An important routing protocol design and configuration consideration is to that their connectivity to the core site is very slow. What happened? Router(config-if)#ip access-group 1 in ‹ reapply to the interface Switch#show cdp nei detail Device ID: IP Phone Configure a Loopback interface on each router and assign addresses from two different ranges (11.11.11.1/24 for R1 and 12.12.12.2/24 for R2) Configure RIP and advertise all the local networks IP Address. : 172.16.0.1 6.Set interface to trunk on the left switch. 2.7.dMax MAC addresses Switch-1(config)#interface range FastEthernet0/3 – 4, 24 Switch-1(config-if-range)#switchport Switch#show dtp Global DTP information Learn how to configure IPv6 static routes. Switch-1(config)#ip default-gateway 10.30.30.1 Success rate is 100 percent (5/5), round-trip min/avg/max = 12/22/36 ms R1(config)#ip route 192.168.4.0 255.255.255.0 Serial0/0/1 Rapid Convergence It is worth noting that if you have a switch set to transparent mode in- between two other switches, then pruning will not work. Aging Type : Absolute SecureStatic Address Aging : Disabled Maximum MAC Addresses 1 14.3below: course) means that you must enable LLDP globally to allow a device to send LLDP packets. However, no changes are required at the interface level. The following example shows how to globally enable LLDP: 1.Add IP addresses to all the interfaces and then ping across the link. I’ve used Ethernet here but you can use a serial link if you wish as in the above topology. This module maps to the following CCNA syllabus requirement: ip default-network CAM table overflow attacks MAC spoofing attacks These options are configured using the switchport port-security [violation Ping statistics for 192.168.1.1: Trying 192.168.1.3 ...Open KEEP OUT OR Path length Reliability Now please complete today’s lab at Named ACLs allow you to associate a list of filters with a name rather than a number. This makes them easier to identify in router configurations. Named ACLs can actually be either extended or standard; you choose which at the initial configuration line of the ACL. network 11.11.11.0 Configuration Revision 0 The SPF algorithm creates a shortest-path tree to all hosts in an area or in the network backbone with the router that is performing the calculation at the root of that tree. In order for the SPF algorithm to work in the correct manner, all routers in the area should have the same database information. In OSPF, this is performed via the database exchange process. Please log on to a Cisco switch and enter the commands explained in this module. This should include: In real-world scenarios, you will typically see the route floating at or close to router rip version 2 no auto Switch-1(config)#interface GigabitEthernet0/2 Switch-1(config-if)#switchport 255. If it was 255, you would add 0. Take a look at the examples below: 4 interfaces using DTP Some important considerations for static default routing: Read today’s theory notes Take today’s exam Complete today’s lab Having ports in VLAN 1 is considered a security vulnerability which allows hackers to gain access to network resources. To mitigate this problem, it is advisable to avoid putting any hosts into VLAN 1. You can also change the native VLAN on all trunk ports to an unused VLAN: Read the ICND1 cram guide Take today’s exam Router(config)#ip dhcp pool passhot Router(dhcp-config)#default-router 172.16.1.2 You can erase most lines of configuration by issuing it again with the word no before the command. It is also worth noting that, as Farai says, you can issue a service password-encryption command, but this only offers weak (level 7) encryption, whereas below, the secret password has strong (MD5) encryption : DNS Servers. : 0.0.0.0 1002 fddi-default active Secure Port MaxSecureAddr CurrentAddr SecurityViolation Security Action (Count) (Count) (Count) 1.Add VLAN2 to the switches. vmps Disabled Switch1(config)# 3.2Interpret the components of routing table Fa0/5, Fa0/6, Fa0/7, Fa0/8 Fa0/9, Fa0/10, Fa0/11, Fa0/12 Fa0/13, Fa0/14, Fa0/15, Fa0/16 Fa0/17, Fa0/18, Fa0/19, Fa0/20 Fa0/21, Fa0/22, Fa0/23, Fa0/24 Port Mode Encapsulation Status Native vlan Fa0/2 on 802.1q trunking 1 Read today’s lesson notes (below) Review yesterday’s lesson notes and labs Complete today’s labs Total entries displayed: 1 Switch#show lldp neighbors detail If you use both the ip default-network and the ip route 0.0.0.0 0.0.0.0 commands to configure candidate default networks, the network defined with the ip default-network command will take precedence. Most RIP issues are related to the administrator mistyping commands or misunderstanding VLSM. We will cover IP troubleshooting later on, but double-check that your router interfaces are up (physically and logically). Check that your IP address and subnet mask are correct as well. O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 It is a known fact that Distance Vector routing protocols are prone to major problems as a result of their simplistic “routing by rumor” approach. Distance Vector and Link State protocols use different techniques to prevent routing problems. The most important mechanisms include the following (some we have mentioned briefly already): Router#ping R2 Router#pinging 192.168.1.2 You can also prevent native VLAN data from passing on the trunk with the command below: 4.3.bRelay The standard and extended ACLs presented in the next sections are numbered ACLs. These represent the classic way of configuring ACLs. Named ACLs are the other way of configuring ACLs and they are presented in a subsequent section. Port Mode Encapsulation Status Native vlan Fa0/2 on 802.1q trunking 1 Version : Switch#show cdp neighbors detail Device ID: Switch Switch-1(config-if)#switchport port-security Loopback0 Ping statistics for 10.20.20.1: Switch(config-line)#login local Switch(config-line)#exit Router(config)#access-list 1 permit 10.1.0.0 0.0.255.255 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area ACL Rule 7 – You can reuse the same ACL. Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/0 ms ----------------- -------------- Switch-1(config)#interface GigabitEthernet0/2 Switch-1(config-if)#switchport gbic-invalid Disabled unicast-flood Disabled Switchport: Enabled Administrative Mode: trunk Operational Mode: trunk Subnet Mask. : 255.255.0.0 Success rate is 80 percent (4/5), round-trip min/avg/max = 31/31/32 ms Switch# Administrative private-vlan trunk private VLANs: none Operational private-vlan: none Switch-1(config-vlan)#name Management-VLAN Switch-1(config-vlan)#exit Interface: FastEthernet0/0, Port ID (outgoing port): FastEthernet0/1 Holdtime: 178 Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: native Negotiation of Trunking: Off In this section of the guide, we will look at the basic steps you should take on every network to protect your switches. All of these steps equally apply to router security (apart from switch port security of course) so review this section again when you come to router security because I won’t repeat the ground already covered. Router(config)#ip host R2 192.168.1.2 Router(config)#ip host R3 192.168.1.3 Router(config)#exit border-routers Border and boundary router information database Database summary show ip rip database Walkthrough Challenge 3 – CDP Lab HTTP server authentication method: enable HTTP server access class: 0 Today you will learn about the following: CDP As seen in the output above, by default, only a single secure MAC address is permitted per port. In addition,300-410 enarsi cisco press, the default action in the event of a violation is to shut down the port. The text in bold indicates that only a single secured address is known, which is the static address configured on the interface.

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