<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello BIND users,<o:p></o:p></p><p class=MsoNormal>According to the BIND 9.10.3 ARM, the syntax for ‘also-notify’ in the options section of the named.conf file is:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>[ also-notify { ip_addr<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>[port ip_port] [dscp ip_dscp] [key keyname] ;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>[ ip_addr [port ip_port] [dscp ip_dscp] [key keyname] ; ... ] };<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>However, specifying the optional ‘dscp’ keyword and integer value causes named to abort at startup. My understanding is that the DSCP value is for *<b>source</b>* ports, whereas the syntax above indicates that the DSCP value goes with the *<b>target</b>* port of the notify. Interestingly, the grammar for this option from the BIND 9.10.3 source is as follows:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>also-notify [ port <integer> ] [ dscp <integer> ] { ( <masters> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>Which corresponds to my understanding where the optional ‘dscp’ keyword and value would be associated with the source.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>Can someone please confirm if the BIND 9.10 ARM documentation is wrong?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:NimbusMonL-Regu'>Greg Rabil<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:EN-GB'>This email contains BT information which may be privileged or confidential. It is meant only for the individual(s) or entity named above. If you are not the intended recipient, note that disclosing, copying, distributing or using this information is prohibited. If you have received this email in error, please let me know immediately on the email above. Thank you. We monitor our email system and may record your emails. </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#666666;mso-fareast-language:EN-GB'>BT Americas Inc. 415 Eagleview Blvd., Suite 112, Exton, PA 19341<br>BT Americas Inc. is a wholly owned subsidiary of British Telecommunications plc. </span><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#666666;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>