<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="line-break:after-white-space"><div style="font-family:Helvetica,Arial;font-size:13px">Hi,</div><div style="font-family:Helvetica,Arial;font-size:13px"><br></div><p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">I use Bird 2.0.9 to spread a special list of prefixes (about 100k) via BGP to an unknown list of users (around 1k).</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">The prefixes are supposed to be marked by different communities (6 right now) and receivers should be able to filter them by those communities to use only prefixes they want.</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:14px"><br></p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">While only one community should be attached to the prefix, I use just 6 different files with prefixes and attach the proper community in the import processes like this: </p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">protocol static importbgp_1 {</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal"> ipv4 { import filter {bgp_community.add((65000,1)); accept;}; };</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal"> include "/tmp/prefixes_1.txt";</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">}</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">Lines in the prefixes_1 file look like this:</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">route <a href="http://1.3.7.7/32">1.3.7.7/32</a> unreachable; </p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:14px"><br></p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">But when I need to attach several communities to the prefixes, I have to create 2^6=64 different static protocols and generate 64 different files.</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">And for 8 communities I will have to create 256 protocols and files.</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:14px"><br></p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">If I could add some marks to routes in the imported file, I would use those marks in the import filter to attach communities to the prefix. </p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:14px"><br></p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">But if I’m not mistaken, there is no way of doing that.</p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:14px"><br></p>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">If there is a different solution to this issue that I’m unaware of, would you please let me know.</p><p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal"><br></p><p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">Best regards,</p><p style="margin:0px;font-style:normal;font-variant-caps:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">Valery</p><div class="gmail_signature"></div></body></html>