BGP/L3VPN Conformance and Performance ... - Syrus Systems

BGP L3VPN Conformance and Performance Testing: Sample Test PlansOverviewThe L3VPN test plans presented hereinclude functional and performance testsdesigned for network and QA engineerstesting L3VPN/RFC 2547-enabled devices.RFC 2547 VPNs are a key application forMPLS technology and must be thoroughlyvalidated and tested against the device orsystem under test prior to deployment.These tests are intended as a baseline forL3VPN testing with further customization anatural step forward.1. VRF Isolation andScalability TestObjectiveThis test verifies a DUT’s capabilities forVRF isolation with multiple CEs, each withsimilar prefix advertisements. The testutilizes an IGP advertising a fixed prefix foreach CE router. The device then forwardstraffic to and from a CE pair in the sameVRF. Verification includes countingreceived frames and ensuring that nocross talk has taken place. Scalability canthen be achieved by increasing thenumber of CEs.SetupA minimum of two network connections isrequired from the test tool to the DUT —one port will emulate multiple CEs witheach CE part of a different VRF. Thesecond port will match the first port byadvertising multiple CEs, each from adifferent VRF. The DUT is configured with atrunk 802.1q VLAN interface with aseparate VLAN for each VRF instance.IGP172.17.20.0/24Ixia emulated CEsVPN-AIXIAIxiaemulated CEsVPN-AIXIAIGP172.16.20.0/24IGP172.17.21.0/24VPN-BIXIAPEVPN-BIXIAIGP172.16.21.0/24IGP172.17.22.0/24VPN-CIXIADUTVPN-CIXIAIGP172.16.22.0/24IGP172.17.23.0/24VPN-DIXIAVPN-DIXIAIGP172.16.23.0/24number of CEsincreases s per iterationtraffic flowsroutes increaase bynumber of CEEs addedFigure 1. VRF isolation scalability test.BGP/L3VPN Conformance and Performance Testing: Sample Test Plans Copyright © Ixia, 2004 3