ccna network engineer salary

ccna network engineer salary.BGP is not recommended when the network meets the following conditions. there is only a single connection to the Internet or another autonomous system. The router does not have enough CPU processing power and enough memory to handle the BGP process. There is limited understanding of BGP routing manipulation and you cannot anticipate the results of starting BGP.19.4.2 BGP TerminologyPeer: Two routers running BGP are called neighbors or peers when a TCP-based connection is established between them and they complete the exchange of BGP routing information.Autonomous System ( AS): a group of routers or hosts under unified management control and policy that use the Interior Gateway Routing Protocol to determine how to route packets within an autonomous system and the Inter-Autonomous System Routing Protocol to determine how to route packets to other autonomous systems. The AS number is assigned by the Internet registry and is 16 bits long (an extension of the AS number using a 32-bit length is described in RFC 4893) in the range 1.65535,where 64512.65535 is in private use.IBGP: When BGP is running within an AS, it is referred to as Internal BGP (IBGP). o IBGP: When BGP is running within an AS, it is referred to as Internal BGP (IBGP). EBGP: When BGP runs between ASs, it is referred to as External BGP (EBGP) o NLRI (Network Layer Reachability Information): is a part of a BGP update packet that lists the set of destinations reachable via that path.IBGP Horizontal Segmentation: Routing information learned through IBGP cannot be advertised to other IBGP neighbors.19.4.3 BGP Attributes BGP has a rich set of attributes that bring great convenience to route control. the BGP path attributes are divided into the following four categories..360.Cisco Networking Lab CCNA Lab Guide (Release 2)(1) Well-KnownMandatory Well-KnownMandatory is required to be included in BGP updates and must be recognized by all vendors' devices running BGP. including the three attributes of ORIGIN, AS_PATH, and Next_Hop.ORIGIN: This attribute describes the source of the routing information, and there are 3 possible sources - IGP, EGP, and INCOMPLETEo the router uses this information in the processing of multiple routing choices. The router selects the path with the lowest ORIGIN type. The order of ORIGIN types from lowest to highest is IGP