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# For FRR Rules:
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# cat filter.txt | \
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# grep -e ^[0-9] | \
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# awk '{ print "ip prefix-list nx3-in seq " $1 " " $2 " " $3 " ge " $4 " le " $5}' | \
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# sed "s_/\([0-9]\+\) ge \1_/\1_g;s_/\([0-9]\+\) le \1_/\1_g"
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#
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# For BIRD Rules:
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# cat filter.txt | \
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# awk 'BEGIN {printf "function is_valid_network() {\n return net ~ [\n" } \
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# /^[0-9]/ && $2 ~ /permit/ {printf " %s{%s,%s},\n", $3, $4, $5};' | \
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# sed "$ s/,$/\n ];\n}/"
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# The rules MUST be sorted by the number column first and then the first matching rule MUST be used.
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# ROAs MUST be checked against these rules and max-length of the ROA NUST NOT be longer than allowed by the matching rule.
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#Nr Action Prefix MinLen MaxLen # Comment
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1001 permit 172.24.0.0/24 28 32 # dn42 anycast range
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1002 permit 172.25.0.0/24 28 32 # dn42 anycast range
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1003 permit 172.26.0.0/24 28 32 # dn42 anycast range
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1004 permit 172.27.0.0/24 28 32 # dn42 anycast range
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1100 permit 172.24.0.0/14 21 29 # dn42 main net
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9999 deny 0.0.0.0/0 0 32 # block the rest
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