what is the difference between classful and classless ip routing?
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In classful routing, hello messages are not used. While in classless routing, hello messages are used. ... In classful routing, address is divided into three parts which are: Network, Subnet and Host. While in classless routing, address is divided into two parts which are: Subnet and Host.
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IPv4 is 32-Bit IP address whereas IPv6 is a 128-Bit IP address. IPv4 is a numeric addressing method whereas IPv6 is an alphanumeric addressing method. IPv4 binary bits are separated by a dot(.) whereas IPv6 binary bits are separated by a colon(:).
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Classless addressing uses a two-part view of IP addresses, and classful addressing has a three-part view. ... With classful addressing, the address always has an 8-, 16-, or 24-bit network field, based on the Class A, B, and C addressing rules.
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['Step 1: Define the traffic. You must tell the router which traffic you want to give QoS, which you can accomplish either using an access control list (ACL) or using Network Based Application Recognition (NBAR). ... ', 'Step 2: Create a class-map. ... ', 'Step 3: Create a policy-map. ... ', 'Step 4: Apply the policy-map to the interface.']
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2 Answers. IPv4 and IPv6 are two completely separate protocols, with separate, incompatible packet headers and addressing, and an IPv4-only host cannot directly communicate with an IPv6-only host. The correct way to do this is to dual-stack one or both hosts so that they run both the IPv4 and IPv6 protocols.
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What are the main differences between the OSPF and IS-IS routing protocols? OSPF requires an area 0, while IS-IS does not. OSPF is a classful protocol, while IS-IS is a classless protocol. OSPF is a link state protocol, while IS-IS is not.
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ip route-cache flow will enable flows on the physical interface and all sub-interfaces associated with it. ip flow ingress will enable flows on individual sub-interfaces, as opposed to all of them on the same interface.
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A. The ip default-gateway command is used when IP routing is disabled on the router. However, ip default-network and ip route 0.0. 0.0/0 are effective when IP routing is enabled on the router and they are used to route any packets which do not have an exact route match in the routing table.
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Subnets can have different masks, it's called VLSM (see Classless Inter-Domain Routing). ... The router will select matched route with the longest prefix when deciding where to route a packet. So destination IP 192.168. 0.0-3 will match the first route, 192.168.
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A Static IP address is a dedicated IP address that has been assigned to you. ... DHCP or Dynamic is an IP address that will automatically be chosen for you from a pool of IP addresses that are assigned in the DHCP scope available on your network.
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All Class A Classful IP Addresses have an 8 bit subnet mask (255.0. 0.0). On the other hand, the use of an IP Address with a subnet mask other than the default results in the standard Host bits (the Bits used to indentify the HOST ID) being divided in to two parts: a Subnet ID and Host ID.
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Without NAT, IPv6 is faster than IPv4 That's in part because of the proliferation of network-address translation (NAT) by service providers for IPv4 Internet connectivity. ... The IPv6 packets don't pass through carrier NAT systems and instead go directly to the Internet.
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The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the iptables suite of commands. ... The Uncomplicated Firewall (ufw) is a frontend for iptables and is particularly well-suited for host-based firewalls.
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BGP is considered to be more flexible as well as scalable than OSPF and it would be also used on a larger network. OSPF would be used to determine the fastest route whereas the BGP would be putting emphasis on determining the best path. Well, Because OSPF stub areas which would be a total mess to configure.
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You must know the difference between a “routed” protocol and a “routing protocol”. A routed protocol is a protocol by which data can be routed. Examples of a routed protocol are IP, IPX, and AppleTalk. ... A routing protocol, on the other hand, is only used between routers.
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KEY DIFFERENCE IPv4 is 32-Bit IP address whereas IPv6 is a 128-Bit IP address. IPv4 is a numeric addressing method whereas IPv6 is an alphanumeric addressing method. IPv4 binary bits are separated by a dot(.) ... IPv4 supports broadcast whereas IPv6 doesn't support broadcast.
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['Unicast addresses identify a single interface.', 'Anycast addresses identify a set of interfaces in such a way that a packet sent to an anycast address is delivered to a member of the set.']