Bgp Local Preference Juniper

For external routes destinations or routing domains the cost is determined by a preference value.

Bgp local preference juniper. Specify the preference for routes learned. The bgp local preference attribute or local pref is used to influence the outbound routing decision of a router running bgp. Not exchanged between external bgp routers. A higher local preference is preferred and the default is 100.

Local preference is the second bgp attribute. Configuring bgp on cisco routers bgp v4 0 provides students with in depth knowledge of border gateway protocol bgp the routing protocol that is one of the foundations of the internet and new world technologies such as multiprotocol label switching mpls. The route with the highest local preference value is preferred. Set routing instances public protocols bgp group t peer as 12345.

M series t series srx series ex series qfabric system qfx series ocx1100 mx series ptx series acx series. When i use the following commands why does it still show local preference as 100 when i do a show route on routes received from this router. Local preference is sent to all internal bgp routers in your autonomous system. Set routing instances public protocols bgp group t local preference 150.

Local preference is not a vendor specific bgp path attribute like all the bgp path attributes except weight attribute. Set routing instances public protocols bgp group t type external. Description modify the value of the local pref path attribute which is a metric used by ibgp sessions to indicate the degree of preference for an external route. In bgp path selection algorithm if your device is a different vendor product not cisco the first bgp path attribute that is taken into account during path selection is local preference attribute.

A metric used by bgp sessions to indicate the degree of preference for an external route. The route with the highest local preference value is preferred. Interface from which the route was received.