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	<title>Lostdomain.org &#187; Networking</title>
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	<link>http://lostdomain.org</link>
	<description>To find yourself, think for yourself</description>
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		<title>Enabling IPv6 on a Cisco ME3400</title>
		<link>http://lostdomain.org/2011/08/27/enabling-ipv6-on-a-cisco-me3400/</link>
		<comments>http://lostdomain.org/2011/08/27/enabling-ipv6-on-a-cisco-me3400/#comments</comments>
		<pubDate>Sat, 27 Aug 2011 21:51:56 +0000</pubDate>
		<dc:creator>Martijn</dc:creator>
				<category><![CDATA[cisco]]></category>
		<category><![CDATA[Networking]]></category>

		<guid isPermaLink="false">http://lostdomain.org/?p=167</guid>
		<description><![CDATA[For some reason a Cisco ME3400 doesn&#8217;t have both IPv4 and IPv6 routing enabled. Still wondering why, but this is how you enable it: &#160; conf t sdm prefer dual-ipv4-and-ipv6 routing exit wr mem reload<div class="addthis_toolbox addthis_default_style" addthis:url='http://lostdomain.org/2011/08/27/enabling-ipv6-on-a-cisco-me3400/' addthis:title='Enabling IPv6 on a Cisco ME3400' ><a class="addthis_button_twitter"></a><a class="addthis_button_facebook like"></a><a class="addthis_button_google"></a><a class="addthis_button_email"></a><a class="addthis_button_preferred_1"></a><a class="addthis_button_compact"></a></div>]]></description>
			<content:encoded><![CDATA[For some reason a Cisco ME3400 doesn&#8217;t have both IPv4 and IPv6 routing enabled. Still wondering why, but this is how you enable it:

&nbsp;
<pre>conf t
sdm prefer dual-ipv4-and-ipv6 routing
exit
wr mem
reload</pre><div class="addthis_toolbox addthis_default_style" addthis:url='http://lostdomain.org/2011/08/27/enabling-ipv6-on-a-cisco-me3400/' addthis:title='Enabling IPv6 on a Cisco ME3400' ><a class="addthis_button_twitter"></a><a class="addthis_button_facebook like"></a><a class="addthis_button_google"></a><a class="addthis_button_email"></a><a class="addthis_button_preferred_1"></a><a class="addthis_button_compact"></a></div>]]></content:encoded>
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		<title>%CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=xxx</title>
		<link>http://lostdomain.org/2008/11/26/crypto-4-pkt_replay_err-decrypt-replay-check-failed-connection-idxxx/</link>
		<comments>http://lostdomain.org/2008/11/26/crypto-4-pkt_replay_err-decrypt-replay-check-failed-connection-idxxx/#comments</comments>
		<pubDate>Wed, 26 Nov 2008 10:07:08 +0000</pubDate>
		<dc:creator>Martijn</dc:creator>
				<category><![CDATA[Networking]]></category>
		<category><![CDATA[cisco]]></category>

		<guid isPermaLink="false">http://new.lostdomain.org/?p=8</guid>
		<description><![CDATA[If your replay window size has not been set to a number that is high enough for the number of packets received, you will receive a system message such as the following: *Nov 17 19:27:32.279: %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=xxx To prevent this error, you can do following: rtr(config)# crypto ipsec security-association replay [...]<div class="addthis_toolbox addthis_default_style" addthis:url='http://lostdomain.org/2008/11/26/crypto-4-pkt_replay_err-decrypt-replay-check-failed-connection-idxxx/' addthis:title='%CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=xxx' ><a class="addthis_button_twitter"></a><a class="addthis_button_facebook like"></a><a class="addthis_button_google"></a><a class="addthis_button_email"></a><a class="addthis_button_preferred_1"></a><a class="addthis_button_compact"></a></div>]]></description>
			<content:encoded><![CDATA[If your replay window size has not been set to a number that is high enough for the number of packets received, you will receive a system message such as the following:

*Nov 17 19:27:32.279: %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=xxx

To prevent this error, you can do following:

rtr(config)# crypto ipsec security-association replay window-size 1024<div class="addthis_toolbox addthis_default_style" addthis:url='http://lostdomain.org/2008/11/26/crypto-4-pkt_replay_err-decrypt-replay-check-failed-connection-idxxx/' addthis:title='%CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=xxx' ><a class="addthis_button_twitter"></a><a class="addthis_button_facebook like"></a><a class="addthis_button_google"></a><a class="addthis_button_email"></a><a class="addthis_button_preferred_1"></a><a class="addthis_button_compact"></a></div>]]></content:encoded>
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