<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Great for customer-facing interfaces, though.<br><br><div><span name="x"></span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new 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noopener noreferrer"><img src="http://www.ics-il.com/images/youtubeicon.png" style="border:0pt none" src="http://www.ics-il.com/images/youtubeicon.png"></a><span name="x"></span><br></div><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Nick Hilliard" <nick@foobar.org><br><b>To: </b>"Brian Knight" <ml@knight-networks.com><br><b>Cc: </b>nanog@nanog.org<br><b>Sent: </b>Wednesday, October 14, 2020 3:12:22 AM<br><b>Subject: </b>Re: Ingress filtering on transits, peers, and IX ports<br><br>Brian Knight via NANOG wrote on 13/10/2020 23:49:<br>> Strict mode won't work for us, because with our multi-homed transits and <br>> IX peers, we will almost certainly drop a legitimate packet because the <br>> best route is through another transit.<br><br>there's no "almost" about it: strict mode is unfeasible for both transit <br>and IX ports.<br><br>Nick<br></div><br></div></body></html>