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Question 304 - 350-501 discussion
Refer to the exhibit.
Refer to the exhibit. The network engineer who manages ASN 65001 is troubleshooting suboptimal routing to the 198.18.15.0/24 prefix. According to the network requirements:
Routing to IP destinations in the 198.18.15.0/25 block must be preferred via the EDGE-1 PE.
Routing to IP destinations in the 198.18.15.128/25 block must be preferred via the EDGE-2 PE.
More specific prefixes of the 198.18.15.0/24 block must not be advertised beyond the boundaries of ASN 64611.
Routing to 198.18.15.0/24 must be redundant in case one of the uplinks on INT-R1 fails.
Which configuration must the network engineer implement on INT-R1 to correct the suboptimal routing and fix the issue?
configure terminal
route-policy ASN65001-SPECIFIC-OUT
if destination in (198.18.15.0/25) then
set community (no-export, peeras:65001)
done
endif
if destination in (198.18.15.0/24) then
prepend as-path 65001 3
done
endif
drop
end-policy
!
router bgp 65001
neighbor 100.65.0.1
address-family ipv4 unicast
route-policy ASN65001-SPECIFIC-OUT out
end
configure terminal
route-policy ASN65001-SPECIFIC-OUT
if destination in (198.18.15.0/25) then
set community (internal, peeras:65001)
done
endif
if destination in (198.18.15.0/24) then
done
endif
drop
end-policy
!
router bgp 65001
neighbor 100.65.0.1
address-family ipv4 unicast
route-policy ASN65001-SPECIFIC-OUT out
end
configure terminal
route-policy ASN65001-SPECIFIC-OUT
if destination in (198.18.15.0/25) then
set community (no-advertise, peeras:65001)
done
endif
if destination in (198.18.15.128/25) then
prepend as-path 65001 3
done
endif
drop
end-policy
!
router bgp 65001
neighbor 100.65.0.1
address-family ipv4 unicast
route-policy ASN65001-SPECIFIC-OUT out
end
configure terminal
route-policy ASN65001-SPECIFIC-OUT
if destination in (198.18.15.0/25) then
set community (no-export, peeras:65001)
done
endif
if destination in (198.18.15.128/25) then
prepend as-path 65001 3
done
endif
drop
end-policy
!
router bgp 65001
neighbor 100.65.0.1
address-family ipv4 unicast
route-policy ASN65001-SPECIFIC-OUT in
end
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