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    <title>topic Re: don't use auto generated MAC address in Network Security</title>
    <link>https://community.cisco.com/t5/network-security/don-t-use-auto-generated-mac-address/m-p/1214512#M877585</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;To manually assign a MAC address to this interface, on the Advanced tab enter a MAC address in the Active Mac Address field in H.H.H format, where H is a 16-bit hexadecimal digit. For example, the MAC address 00-0C-F1-42-4C-DE would be entered as 000C.F142.4CDE. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;If you share an interface between contexts, you can assign a unique MAC address to the interface in each context. This feature lets the security appliance easily classify packets into the appropriate context. Using a shared interface without unique MAC addresses is possible, but has some limitations.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/contexts.html#wpxref64049" target="_blank"&gt;http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/contexts.html#wpxref64049&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/ifcmulti.html#wp1055358" target="_blank"&gt;http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/ifcmulti.html#wp1055358&lt;/A&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Wed, 21 Jan 2009 20:51:21 GMT</pubDate>
    <dc:creator>smalkeric</dc:creator>
    <dc:date>2009-01-21T20:51:21Z</dc:date>
    <item>
      <title>don't use auto generated MAC address</title>
      <link>https://community.cisco.com/t5/network-security/don-t-use-auto-generated-mac-address/m-p/1214511#M877584</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;How can i configure the multiple context ASA with don't using the auto generated MAC address.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I do not want to use 'MAC address auto"&lt;/P&gt;&lt;P&gt;cmd.&lt;/P&gt;&lt;P&gt;swami&lt;/P&gt;</description>
      <pubDate>Mon, 11 Mar 2019 14:38:04 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/don-t-use-auto-generated-mac-address/m-p/1214511#M877584</guid>
      <dc:creator>arumugasamy</dc:creator>
      <dc:date>2019-03-11T14:38:04Z</dc:date>
    </item>
    <item>
      <title>Re: don't use auto generated MAC address</title>
      <link>https://community.cisco.com/t5/network-security/don-t-use-auto-generated-mac-address/m-p/1214512#M877585</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;To manually assign a MAC address to this interface, on the Advanced tab enter a MAC address in the Active Mac Address field in H.H.H format, where H is a 16-bit hexadecimal digit. For example, the MAC address 00-0C-F1-42-4C-DE would be entered as 000C.F142.4CDE. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;If you share an interface between contexts, you can assign a unique MAC address to the interface in each context. This feature lets the security appliance easily classify packets into the appropriate context. Using a shared interface without unique MAC addresses is possible, but has some limitations.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/contexts.html#wpxref64049" target="_blank"&gt;http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/contexts.html#wpxref64049&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/ifcmulti.html#wp1055358" target="_blank"&gt;http://www.cisco.com/en/US/docs/security/asa/asa80/asdm60/user/guide/ifcmulti.html#wp1055358&lt;/A&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 21 Jan 2009 20:51:21 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/don-t-use-auto-generated-mac-address/m-p/1214512#M877585</guid>
      <dc:creator>smalkeric</dc:creator>
      <dc:date>2009-01-21T20:51:21Z</dc:date>
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