Tag Archives: Router ID

IPv6 Tunneling over IPv4

Posted on February 28th, 2015 (Saturday) by Mr. Bart

Availability of the IPv6 among ISPs is improving slowly. Whenever you won’t get as many IPv4 addresses as you need/wish, you can always implement your network to be IPv6 ready. Then, once you ISP catch up, you can start using … Continue reading →

Posted in Cisco | Tagged 6to4, area, interface fastEthernet, interface Tunnel0, IPv4, ipv6 address, ipv6 cef, ipv6 ospf, ipv6 route, IPv6 Tunneling, ipv6 unicast-routing, ipv6ip, no ip redirects, redistribute static, Router ID, show ipv6 route, tunnel mode, tunnel source | Leave a comment

IPv6 EIGRPv4 with Packet Tracer

Posted on February 19th, 2015 (Thursday) by Mr. Bart

For most of the time I use GNS for my network simulations. This time, however, I will use the Packet Tracer, because the GNS, with its IOS image bundled in the package, doesn’t support EIGRP routeing.

Posted in Cisco | Tagged adjacency, convergence, EIGRPv4, feasible router, Feasible Successor, hello messages, IPv6, ipv6 router, ipv6 router eigrp, ipv6 unicast-routing, Packet Tracer, Router ID, show ipv6 eigrp interfaces, show ipv6 eigrp topology, show ipv6 eigrp traffic, timers, updates, verify | Leave a comment

IPv6 Routing configuration

Posted on February 12th, 2015 (Thursday) by Mr. Bart

Keeping things in order First things first. To keep things in order, you need to have some routable IPv6 addresses configured. The link-local addresses will not be routed, so make sure you configure global unicast addresses, otherwise the routeing exercise … Continue reading →

Posted in Cisco | Tagged administrative distance, area, debug ipv6 routing, directly connected network, enable, ipv6 rip, ipv6 router ospf, local interface, no EIGRP, OSPF, RIPng, Router ID, show ipv6 ospf neighbor, show ipv6 rip, show ipv6 route | Leave a comment

The EIGRP Configuration

Posted on June 2nd, 2014 (Monday) by Mr. Bart

The EIGRP uses idea of Autonomous System Number to define to scope of the network and which routers exchange the routing information.

Posted in Cisco | Tagged administrative distance, Advertised Distance, Advertised Metric, Autonomous System Numbers, autosummary, bandwidth, composite metric, compound bandwidth, configuration, delay, detail-links, discontinuous network, EIGRP, Enhanced Interior Gateway Routing Protocol, equal metric, Feasibility Condition, Feasible Distance, Feasible Successor, hop count, hybrid routing protocol, K-value, K1, K2, K3, K4, K5, load, Load Balancing, loopback interface, Maximum Transport Unit, maximum-paths, metric, metric vector, minimum bandwidth, MTU, network statement, passive interface, reliability, Reported Distance, Reported Metric, Router ID, routing table, show commands, Successor Route, topology table, unequal metric, variance | Leave a comment

Further OSPF configuration

Posted on May 13th, 2014 (Tuesday) by Mr. Bart

I have been struggling with configuration of the OSPF for quite a few days now, trying to figure out how loopback interfaces and hard-coded router-id is affecting the Designated Router election.

Posted in Cisco | Tagged 2Way, Backup Designated Router, BDR, clear ip ospf process, dead timer, Designated Router, Designated Router election, DR, DR/BDR, DROther, election, formula, Full, Hello packet, Hello Timer, loopback interface, OSPF packet header, physical interface, reference-bandwidth, RID, Router ID, router ospf, router priority, show commands, show ip ospf, show ip ospf neighbor | Leave a comment

Basic OSPF Configuration

Posted on May 8th, 2014 (Thursday) by Mr. Bart

Note: The spelling of the word that describes people who live next to someone is different in British and North American dialect of English. Cisco uses the American spelling in commands and their output. When we talk about a neighbour … Continue reading →

Posted in Cisco | Tagged adjacency state, area, area 0, Back Bone Area, Backup Designated Router, BDR, configuration, core area, default-information originate, Designated Router, DR, DROther, Full, gateway of last resort, NBMA, neighbor, neighbour, network, NonBroadcast Multiple Access, OSPF, physical interface, point-to-point, propagate default route, Router ID, router ospf, show ip ospf, show ip ospf database, show ip ospf neighbor, show ip route, wild-card mask | Leave a comment

OSPF

Posted on April 29th, 2014 (Tuesday) by Mr. Bart

The OSPF is link-state routing protocol. Link state protocol is such that the metric is based on bandwidth, load, reliability etc. of a given link as oppose to number of hops between networks.

Posted in Cisco | Tagged 2-Way, 224.0.0.5, 224.0.0.6, 2Way, ABR, active, Adjacency states, area, area 0, Area Border Routers, AS, ASBR Autonomous System, Attempt, Autonomous System Boarder Router, Back Bone Area, Backup Designated Router, bandwidth, BDR, Broadcast OSPF addresses, converged, convergence, Database Descriptor, DBD, Dead Intervals, Designate Router, Dijkstra algorithm, Down, DR, DROther, elections, Exchange, ExStart, Full, Hello Intervals, Hello message, IGP, Init, initial sequence number, Interior Gateway Protocol, link-state acknowledgement, link-state advertisement, link-state database, link-state protocol, link-state request, link-state update, Loading, loopback interface, LSA, Master, NBMA Non-Broadcast Multiple Access, neighbor relationship adjacency, neighbour relationship, Open Shortest Path First, OSPF, OSPF domain, OSPF Timers, passive, RID, Router ID, router priority, Shortest Path First, Slave, SPF | Leave a comment

Tag Archives: Router ID

IPv6 Tunneling over IPv4

IPv6 EIGRPv4 with Packet Tracer

IPv6 Routing configuration

The EIGRP Configuration

Further OSPF configuration

Basic OSPF Configuration

OSPF

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