Scenario
Router configured with an eBGP neighbor that is 3 hops away. Maximum prefix is set to 15. Warning will be logged if 90% of that value is reached. Basic route dampening has been enabled as well.
IOS Config
router bgp 100 bgp log-neighbor-changes neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 ebgp-multihop 3 neighbor 2.2.2.2 update-source Loopback0 ! address-family ipv4 no synchronization bgp dampening redistribute connected route-map LOCALS_ONLY neighbor 2.2.2.2 activate neighbor 2.2.2.2 maximum-prefix 15 90 warning-only no auto-summary exit-address-family ! ! |
XR Config
router bgp 100 address-family ipv4 unicast bgp dampening redistribute connected ! neighbor 2.2.2.2 remote-as 200 ebgp-multihop 3 update-source Loopback0 address-family ipv4 unicast route-policy PASS_ALL in maximum-prefix 15 90 warning-only route-policy LOCALS_ONLY out ! ! ! |