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Troubleshooting auto-export with diagnostic commands

June 10, 2016 by Marques Brownlee

This article discusses the diagnostic commands available for troubleshooting auto-export. The auto-export statement is particularly useful for configuring overlapping VPNs—VPN configurations where more than one VRF routing instance lists the same community route target in its vrf-import policy. The auto-export statement finds out which routing tables to export routes from … [Read more...]

Filed Under: Juniper Tagged With: VPN, VRF, vrf-import policy

When configuring OSPF in a VRF for Customer routes

June 3, 2016 by James Palmer

When configuring OSPF in a VRF for Customer routes you need to be aware that the VRF will create the OSPF instance as an ABR (Area Boarder Router) When OSPF is configured in a VRF it will be created as an ABR. This may prevent summary and external routes from being put in the VRF routing table when OSPF is not part of Area 0 For example if you configure the VRF with OSPF … [Read more...]

Filed Under: Juniper Tagged With: ABR, Area Boarder Router, OSPF, Virtual Router, Virtual Routers, VRF, VRF routing table

MPLS BGP VPN’s not supported accross un-numbered interfaces

April 24, 2016 by Scott

MPLS BGP VPN's not supported across un-numbered interfaces. When using an un-numbered interface between PE and P routers instead of IP numbered interfaces, the ERX no longer displays VPN routes and shows the next hop address and unreachable even though ICMP Pings to the next hop address are successful. Platform: Juniper E-Series show ip bgp vpn vrf test 192.168.2.0 BGP … [Read more...]

Filed Under: Juniper Tagged With: BGP, Juniper E-series, MPLS, VRF

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