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January 25, 2018 11:40
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Mapping VLAN interfaces to VRFs
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| egrep -i '(^interface vlan)|(ip vrf forwarding)' showstartup-config-600.txt |\ | |
| perl -e 'while (<>) { print $1,"\n" if m/^interface\sVlan(\d+)/; print $1,"\n" if m/\sip vrf forwarding (\w+)/}' |\ | |
| tail -n +6 | paste - - -d, |\ | |
| perl -e 'while (<>) { chomp; ($vl,$vrf) = split(/,/,$_); push @{$map->{$vrf}},$vl; } ; foreach (keys(%{$map})) { print $_, " ", join(",",@{$map->{$_}}),"\n" }; ' |
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