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diff --git a/tests/topotests/bgp_multiview_topo1/README.md b/tests/topotests/bgp_multiview_topo1/README.md new file mode 100644 index 0000000..c1a1445 --- /dev/null +++ b/tests/topotests/bgp_multiview_topo1/README.md @@ -0,0 +1,125 @@ +# Simple FRRouting Route-Server Test + +## Topology + +----------+ +----------+ +----------+ +----------+ +----------+ + | peer1 | | peer2 | | peer3 | | peer4 | | peer5 | + | AS 65001 | | AS 65002 | | AS 65003 | | AS 65004 | | AS 65005 | + +-----+----+ +-----+----+ +-----+----+ +-----+----+ +-----+----+ + | .1 | .2 | .3 | .4 | .5 + | ______/ / / _________/ + \ / ________________/ / / + | | / _________________________/ / +----------+ + | | | / __________________________/ ___| peer6 | + | | | | / ____________________________/.6 | AS 65006 | + | | | | | / _________________________ +----------+ + | | | | | | / __________________ \ +----------+ + | | | | | | | / \ \___| peer7 | + | | | | | | | | \ .7 | AS 65007 | + ~~~~~~~~~~~~~~~~~~~~~ \ +----------+ + ~~ SW1 ~~ \ +----------+ + ~~ Switch ~~ \_____| peer8 | + ~~ 172.16.1.0/24 ~~ .8 | AS 65008 | + ~~~~~~~~~~~~~~~~~~~~~ +----------+ + | + | .254 + +---------+---------+ + | FRR R1 | + | BGP Multi-View | + | Peer 1-3 > View 1 | + | Peer 4-5 > View 2 | + | Peer 6-8 > View 3 | + +---------+---------+ + | .1 + | + ~~~~~~~~~~~~~ Stub Network is redistributed + ~~ SW0 ~~ into each BGP view with different + ~~ 172.20.0.1/28 ~~ attributes (using route-map) + ~~ Stub Switch ~~ + ~~~~~~~~~~~~~ + +## FRR Configuration + +Full config as used is in r1 subdirectory + +Simplified `R1` config: + + hostname r1 + ! + interface r1-stub + description Stub Network + ip address 172.20.0.1/28 + no link-detect + ! + interface r1-eth0 + description to PE router - vlan1 + ip address 172.16.1.254/24 + no link-detect + ! + router bgp 100 view 1 + bgp router-id 172.30.1.1 + network 172.20.0.0/28 route-map local1 + timers bgp 60 180 + neighbor 172.16.1.1 remote-as 65001 + neighbor 172.16.1.2 remote-as 65002 + neighbor 172.16.1.5 remote-as 65005 + ! + router bgp 100 view 2 + bgp router-id 172.30.1.1 + network 172.20.0.0/28 route-map local2 + timers bgp 60 180 + neighbor 172.16.1.3 remote-as 65003 + neighbor 172.16.1.4 remote-as 65004 + ! + router bgp 100 view 3 + bgp router-id 172.30.1.1 + network 172.20.0.0/28 + timers bgp 60 180 + neighbor 172.16.1.6 remote-as 65006 + neighbor 172.16.1.7 remote-as 65007 + neighbor 172.16.1.8 remote-as 65008 + ! + route-map local1 permit 10 + set community 100:9999 additive + set metric 0 + ! + route-map local2 permit 10 + set as-path prepend 100 100 100 100 100 + set community 100:1 additive + set metric 9999 + ! + +## Tests executed + +### Check if FRR is running + +Test is executed by running + + vtysh -c "show logging" | grep "Logging configuration for" + +on router `R1`. This should return the logging information for all daemons registered +to Zebra and the list of running daemons is compared to the daemons started for this +test (`zebra` and `bgpd`) + +### Verify for BGP to converge + +BGP is expected to converge on each view within 60s total time. Convergence is verified by executing + + vtysh -c "show ip bgp view 1 summary" + vtysh -c "show ip bgp view 2 summary" + vtysh -c "show ip bgp view 3 summary" + +and expecting 11 routes seen in the last column for each peer. (Each peer sends 11 routes) + +### Verifying BGP Routing Tables + +Routing table is verified by running + + vtysh -c "show ip bgp view 1" + vtysh -c "show ip bgp view 2" + vtysh -c "show ip bgp view 3" + +and comparing the result against the stored table in the r1/show_ip_bgp_view_NN.ref files +(with NN 1, 2, 3) (A few header and trailer lines are cut/adjusted ahead of the compare to +adjust for different output based on recent changes) + + |