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Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
The relay agent stores its own IP address, from the interface on which it has received the client's broadcast, in the GIADDR field of the DHCP packet. The DHCP server uses the GIADDR-value to determine the subnet, and subsequently the corresponding address pool, from which to allocate an IP address.
Server BOOTP DHCP DHCPv6 Other Load balancing Failover dhcpy6d No No Yes PXE, Dynamic DNS: Yes Yes dnsmasq Yes Yes Yes PXE, TFTP: No No ISC DHCP Yes Yes Yes Dynamic DNS [10] [11] ...
This gives a prefix length of 48 bits, which leaves room for a 16-bit subnet field and 64 bit host addresses within the subnets. Any IPv6 address that begins with the 2002:: / 16 prefix (in other words, any address with the first two octets of 2002 hexadecimal) is known as a 6to4 address , as opposed to a native IPv6 address which does not ...
The Dynamic Host Configuration Protocol version 6 (DHCPv6) is a network protocol for configuring Internet Protocol version 6 (IPv6) hosts with IP addresses, IP prefixes, default route, local segment MTU, and other configuration data required to operate in an IPv6 network.
More commonly addresses are assigned by a DHCP server, often built into common networking hardware like computer hosts or routers. Most IPv4 hosts use link-local addressing only as a last resort when a DHCP server is unavailable. An IPv4 host otherwise uses its DHCP-assigned address for all communications, global or link-local.
Software-defined networking (SDN) is an approach to network management that uses abstraction to enable dynamic and programmatically efficient network configuration to create grouping and segmentation while improving network performance and monitoring in a manner more akin to cloud computing than to traditional network management. [1]
Router1# show ip eigrp topology 10.0.0.1 [13] 255.255.255.255 IP-EIGRP topology entry for 10.0.0.1/32 State is Passive, Query origin flag is 1, 1 Successor(s), FD is 40640000 Routing Descriptor Blocks: 10.0.0.1 (Serial0/0/0), from 10.0.0.1, Send flag is 0x0 Composite metric is (40640000/128256), Route is Internal Vector metric: Minimum ...