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    <title>topic Traceback logs on Cisco 1921 in Network Security</title>
    <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399032#M1080590</link>
    <description>&lt;P&gt;Hi all,&lt;/P&gt;&lt;P&gt;Any idea about the traceback logs shown on my Cisco 1921 with IOS Version 15.2(2)&lt;/P&gt;&lt;P&gt;I tried to decode the logs but I wasn't lucky enough!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Traceback= 0x256D5600z 0x256F1FCCz 0x256F2074z 0x256F4C34z 0x25686FF0z 0x25687C54z 0x2412021Cz 0x241208A0z&lt;BR /&gt;Traceback= 2117CA64z 2117CBE0z 2117E18Cz 2117FD50z 21180230z 211649CCz 2117DB24z 21166510z 21166798z 21166878z 21166AB4z 23DE4920z 23DE4904z&lt;/P&gt;</description>
    <pubDate>Thu, 06 May 2021 22:18:03 GMT</pubDate>
    <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
    <dc:date>2021-05-06T22:18:03Z</dc:date>
    <item>
      <title>Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399032#M1080590</link>
      <description>&lt;P&gt;Hi all,&lt;/P&gt;&lt;P&gt;Any idea about the traceback logs shown on my Cisco 1921 with IOS Version 15.2(2)&lt;/P&gt;&lt;P&gt;I tried to decode the logs but I wasn't lucky enough!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Traceback= 0x256D5600z 0x256F1FCCz 0x256F2074z 0x256F4C34z 0x25686FF0z 0x25687C54z 0x2412021Cz 0x241208A0z&lt;BR /&gt;Traceback= 2117CA64z 2117CBE0z 2117E18Cz 2117FD50z 21180230z 211649CCz 2117DB24z 21166510z 21166798z 21166878z 21166AB4z 23DE4920z 23DE4904z&lt;/P&gt;</description>
      <pubDate>Thu, 06 May 2021 22:18:03 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399032#M1080590</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-06T22:18:03Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399066#M1080591</link>
      <description>&lt;P&gt;post the complete logs and tell us what is the problem ? by this we may not know what is the issue here ?&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;still like to know more, raise TAC engineer can help you.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 00:49:34 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399066#M1080591</guid>
      <dc:creator>balaji.bandi</dc:creator>
      <dc:date>2021-05-07T00:49:34Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399152#M1080597</link>
      <description>&lt;P&gt;Post the exact IOS version.&amp;nbsp; "15.2(2)" is incomplete.&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 07:42:00 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399152#M1080597</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-07T07:42:00Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399284#M1080600</link>
      <description>&lt;P&gt;Sorry,&lt;/P&gt;&lt;P&gt;15.2.2T4&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 12:20:42 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399284#M1080600</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-07T12:20:42Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399301#M1080602</link>
      <description>&lt;P&gt;If the router is running "T" train IOS, then expect Traceback and crashes is a "norm".&lt;/P&gt;
&lt;P&gt;For stability purposes, upgrade to an "M" train.&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 13:00:50 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399301#M1080602</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-07T13:00:50Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399479#M1080613</link>
      <description>&lt;P&gt;I will upgrade to release 15.2.4 M11 and I'll be watching the log.&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 18:06:44 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399479#M1080613</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-07T18:06:44Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399529#M1080615</link>
      <description>&lt;P&gt;after upgrade to IOS 15.2.4 M11 next log entries&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;%ALIGN-3-TRACE: -Traceback= 0x256D5600z 0x256F1FCCz 0x256F2074z 0x256F4C34z 0x25686FF0z 0x25687C54z 0x2412021Cz 0x241208A0z&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Traceback= 2117CA64z 2117CBE0z 2117E18Cz 2117FD50z 21180230z 211649CCz 2117DB24z 21166510z 21166798z 21166878z 21166AB4z 23DE4920z 23DE4904z&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 07 May 2021 20:22:30 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399529#M1080615</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-07T20:22:30Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399557#M1080617</link>
      <description>&lt;P&gt;Do not just post "bits and pieces".&amp;nbsp; Give us the entire "sh log".&lt;/P&gt;</description>
      <pubDate>Sat, 08 May 2021 00:12:56 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4399557#M1080617</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-08T00:12:56Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400094#M1080627</link>
      <description>&lt;P&gt;Hello, below you can see a log&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Gate_#sh log&lt;BR /&gt;Syslog logging: enabled (0 messages dropped, 4116 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)&lt;/P&gt;&lt;P&gt;No Active Message Discriminator.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;No Inactive Message Discriminator.&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Console logging: level debugging, 64802 messages logged, xml disabled,&lt;BR /&gt;filtering disabled&lt;BR /&gt;Monitor logging: level debugging, 0 messages logged, xml disabled,&lt;BR /&gt;filtering disabled&lt;BR /&gt;Buffer logging: level debugging, 68919 messages logged, xml disabled,&lt;BR /&gt;filtering disabled&lt;BR /&gt;Exception Logging: size (4096 bytes)&lt;BR /&gt;Count and timestamp logging messages: disabled&lt;BR /&gt;Persistent logging: disabled&lt;/P&gt;&lt;P&gt;No active filter modules.&lt;/P&gt;&lt;P&gt;Trap logging: level informational, 68922 message lines logged&lt;BR /&gt;Logging to x.x.x.x (udp port 5140, audit disabled, link up),&lt;BR /&gt;68921 message lines logged,&lt;BR /&gt;0 message lines rate-limited,&lt;BR /&gt;0 message lines dropped-by-MD,&lt;BR /&gt;xml disabled, sequence number disabled&lt;BR /&gt;filtering disabled&lt;BR /&gt;Logging Source-Interface: VRF Name:&lt;/P&gt;&lt;P&gt;Log Buffer (8192 bytes):&lt;BR /&gt;%FW-4-TCP_OoO_SEG: Dropping TCP Segment: seq:2059380530 1500 bytes is out-of-order; expected seq:2059355710. Reason: TCP reassembly queue overflow - session y.y.y.y:12771 to 152.195.132.112:80&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 189.146.66.157(17384) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 18 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.245.181(37359) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.186.245(28176) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.186.245(9836) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 189.146.1.105(5619) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 189.146.1.105(5496) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 35 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.69.69(57192) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 46.204.51.155(2499) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 1 packet&lt;BR /&gt;%IPS-6-SEND_TCP_PAK: Sending TCP packet:(89.64.24.198:55804)=&amp;gt;(z.z.z.z:443),tcp flag:0x10, pak:0x30764A24, iso:0x31483C60,tcp seq:0x2497CE89, tcp ack:0x1B81ECC0, tcp_window:65527, ip_checksum:0x69CF, GigabitEthernet0/0,feat_flags:0x10000, fast_path(yes)&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 89.64.24.198(55882) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 94.153.14.113(5842) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 94.153.14.113(5814) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 189.146.224.215(30788) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.80.141(11872) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%IPS-6-SEND_TCP_PAK: Sending TCP packet:(189.146.224.215:30884)=&amp;gt;(z.z.z.z:443),tcp flag:0x10, pak:0x30763110, iso:0x31483AE0,tcp seq:0x79105190, tcp ack:0xABBC944A, tcp_window:65527, ip_checksum:0x3B46, GigabitEthernet0/0,feat_flags:0x10000, fast_path(yes)&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 18 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.245.181(57012) -&amp;gt; z.z.z.z(443), 16 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 54.36.148.83(24220) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.18.189(50734) -&amp;gt; z.z.z.z(443), 5 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 185.51.134.230(25209) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 185.51.134.230(12709) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%IPS-6-SEND_TCP_PAK: Sending TCP packet:(46.204.51.155:2527)=&amp;gt;(z.z.z.z:443),tcp flag:0x10, pak:0x307612F8, iso:0x3148A6E0,tcp seq:0x9E36DB42, tcp ack:0xE5FBA3FD, tcp_window:65526, ip_checksum:0x6B1A, GigabitEthernet0/0,feat_flags:0x10000, fast_path(yes)&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 46.204.51.155(2488) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 16 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 189.147.7.80(6265) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 185.51.134.230(1965) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 185.51.134.230(15079) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.248.45(15865) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.248.45(56513) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 73 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.18.189(25355) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.80.141(38773) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 46.204.55.88(62917) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 46 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.69.69(57192) -&amp;gt; z.z.z.z(443), 5 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 103.1.237.180(61959) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 46.204.55.88(62742) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%IPS-6-SEND_TCP_PAK: Sending TCP packet:(103.1.237.180:61959)=&amp;gt;(z.z.z.z:443),tcp flag:0x10, pak:0x31336648, iso:0x31483060,tcp seq:0x6086973E, tcp ack:0x0, tcp_window:64240, ip_checksum:0x6DB3, GigabitEthernet0/0,feat_flags:0x10000, fast_path(yes)&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 46.204.55.88(62907) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 89.64.8.34(16626) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 89.64.8.34(16766) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 59 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.80.141(11872) -&amp;gt; z.z.z.z(443), 8 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.69.69(39759) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.175.157(51682) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.175.157(16197) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 12 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.245.181(57012) -&amp;gt; z.z.z.z(443), 6 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.18.189(25355) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 40.101.80.141(56295) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%IPS-6-SEND_TCP_PAK: Sending TCP packet:(189.146.66.157:17384)=&amp;gt;(z.z.z.z:443),tcp flag:0x10, pak:0x2CEF8C5C, iso:0x314849E0,tcp seq:0x464676FF, tcp ack:0x8783C1E9, tcp_window:65527, ip_checksum:0xB57C, GigabitEthernet0/0,feat_flags:0x10000, fast_path(yes)&lt;BR /&gt;%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 19 packets&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.187.125(60404) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%SEC-6-IPACCESSLOGP: list WAN_IN_ACL permitted tcp 52.97.187.125(24815) -&amp;gt; z.z.z.z(443), 1 packet&lt;BR /&gt;%ALIGN-3-TRACE: -Traceback= 2117CA64z 2117CBE0z 2117E18Cz 2117FD50z 21180230z 211649CCz 2117DB24z 21166510z 21166798z 21166878z 21166AB4z 23DE4920z 23DE4904z&lt;BR /&gt;%ALIGN-3-TRACE: -Traceback= 2117CA64z 2117CBE0z 2117E18Cz 2117FD50z 21180230z 211649CCz 2117DB24z 21166510z 21166798z 21166878z 21166AB4z 23DE4920z 23DE4904z&lt;BR /&gt;%ALIGN-3-TRACE: -Traceback= 0x256D5600z 0x256F1FCCz 0x256F2074z 0x256F4C34z 0x25686FF0z 0x25687C54z 0x2412021Cz 0x241208A0z&lt;BR /&gt;Gate_#&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 07:17:47 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400094#M1080627</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-10T07:17:47Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400109#M1080629</link>
      <description>&lt;P&gt;Does the router's log have date and time enabled or not?&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 08:02:59 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400109#M1080629</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-10T08:02:59Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400112#M1080630</link>
      <description>&lt;P&gt;IMHO the date is not relevant in this case rather&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 08:23:17 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400112#M1080630</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-10T08:23:17Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400113#M1080631</link>
      <description>&lt;P&gt;traceback entries always appear at night between 1:10 AM and 2:15 AM,&lt;/P&gt;&lt;P&gt;and the given sh log contain's an entry from tonight after 1:15 AM May 10 2021&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 08:26:12 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400113#M1080631</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-10T08:26:12Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400145#M1080638</link>
      <description>&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/1192921"&gt;@00upaijcn6kIJPjXI5d6&lt;/a&gt;&amp;nbsp;wrote:&lt;BR /&gt;
&lt;P&gt;traceback entries always appear at night between 1:10 AM and 2:15 AM,&lt;/P&gt;
&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;
&lt;P&gt;What is the size of the WAN links?&amp;nbsp;&lt;BR /&gt;Do you have server backups happening at 1am?&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 09:52:45 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400145#M1080638</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-10T09:52:45Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400263#M1080650</link>
      <description>&lt;P&gt;a) 1x 100 Mbps (backup one) + 1x200 Mbps (primary one)&lt;/P&gt;&lt;P&gt;b) Nop - not in the given time period&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 13:24:56 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400263#M1080650</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-10T13:24:56Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400446#M1080658</link>
      <description>&lt;P&gt;what is z.z.z.z ? router IP ?&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 17:58:59 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400446#M1080658</guid>
      <dc:creator>balaji.bandi</dc:creator>
      <dc:date>2021-05-10T17:58:59Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400629#M1080665</link>
      <description>&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/1192921"&gt;@00upaijcn6kIJPjXI5d6&lt;/a&gt;&amp;nbsp;wrote:&lt;BR /&gt;
&lt;P&gt;a) 1x 100 Mbps (backup one) + 1x200 Mbps (primary one)&lt;/P&gt;
&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;
&lt;P&gt;1900 router cannot support &amp;gt;75 Mbps of WAN speed.&lt;/P&gt;</description>
      <pubDate>Mon, 10 May 2021 22:58:10 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4400629#M1080665</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-10T22:58:10Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401251#M1080695</link>
      <description>&lt;P&gt;75Mbps - this is not an issue, because at peak I have 30-33 % link saturation.&lt;/P&gt;&lt;P&gt;Late night the load is averages 1-2% when this tracback was captured.&lt;/P&gt;</description>
      <pubDate>Tue, 11 May 2021 15:52:17 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401251#M1080695</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-11T15:52:17Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401538#M1080704</link>
      <description>&lt;P&gt;Post the complete output to the following commands:&amp;nbsp;&lt;/P&gt;
&lt;PRE&gt;sh version
sh interface &amp;lt;WAN ports&amp;gt;
sh interface &amp;lt;LAN ports&amp;gt;&lt;/PRE&gt;
&lt;P&gt;&lt;STRONG&gt;IMPORTANT&lt;/STRONG&gt;:&amp;nbsp; Remove the IP address and/or Description.&amp;nbsp; Do not remove/edit anything else.&lt;/P&gt;</description>
      <pubDate>Wed, 12 May 2021 00:27:22 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401538#M1080704</guid>
      <dc:creator>Leo Laohoo</dc:creator>
      <dc:date>2021-05-12T00:27:22Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401731#M1080710</link>
      <description>&lt;P&gt;yes&lt;/P&gt;</description>
      <pubDate>Wed, 12 May 2021 07:59:05 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401731#M1080710</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-12T07:59:05Z</dc:date>
    </item>
    <item>
      <title>Re: Traceback logs on Cisco 1921</title>
      <link>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401779#M1080711</link>
      <description>&lt;P&gt;GigabitEthernet0/0 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3220 (bia fc99.4794.3220)&lt;BR /&gt;Description: WAN&lt;BR /&gt;Internet address is x.x.x.x/29&lt;BR /&gt;MTU 1500 bytes, BW 8000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 94/255, rxload 51/255&lt;BR /&gt;Encapsulation ARPA, loopback not set&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Full Duplex, 1Gbps, media type is RJ45&lt;BR /&gt;output flow-control is unsupported, input flow-control is unsupported&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Last input 00:00:00, output 00:00:00, output hang never&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;Input queue: 0/75/0/93500 (size/max/drops/flushes); Total output drops: 836&lt;BR /&gt;Queueing strategy: Class-based queueing&lt;BR /&gt;Output queue: 0/1000/836 (size/max total/drops)&lt;BR /&gt;5 minute input rate 1620000 bits/sec, 312 packets/sec&lt;BR /&gt;5 minute output rate 2979000 bits/sec, 378 packets/sec&lt;BR /&gt;68748987 packets input, 176946709 bytes, 441 no buffer&lt;BR /&gt;Received 77912 broadcasts (0 IP multicasts)&lt;BR /&gt;0 runts, 0 giants, 14 throttles&lt;BR /&gt;91465 input errors, 0 CRC, 0 frame, 91465 overrun, 0 ignored&lt;BR /&gt;0 watchdog, 8250 multicast, 0 pause input&lt;BR /&gt;63717681 packets output, 1000226462 bytes, 0 underruns&lt;BR /&gt;0 output errors, 0 collisions, 0 interface resets&lt;BR /&gt;1 unknown protocol drops&lt;BR /&gt;0 babbles, 0 late collision, 0 deferred&lt;BR /&gt;0 lost carrier, 0 no carrier, 0 pause output&lt;BR /&gt;0 output buffer failures, 0 output buffers swapped out&lt;BR /&gt;GigabitEthernet0/1 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 1., loopback not set&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Full Duplex, 1Gbps, media type is RJ45&lt;BR /&gt;output flow-control is XON, input flow-control is XON&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Last input 00:00:00, output 00:00:00, output hang never&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;Input queue: 0/75/0/3222 (size/max/drops/flushes); Total output drops: 0&lt;BR /&gt;Queueing strategy: fifo&lt;BR /&gt;Output queue: 0/40 (size/max)&lt;BR /&gt;5 minute input rate 2984000 bits/sec, 380 packets/sec&lt;BR /&gt;5 minute output rate 1631000 bits/sec, 317 packets/sec&lt;BR /&gt;65572425 packets input, 1538758483 bytes, 77 no buffer&lt;BR /&gt;Received 3192438 broadcasts (0 IP multicasts)&lt;BR /&gt;0 runts, 0 giants, 2 throttles&lt;BR /&gt;0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored&lt;BR /&gt;0 watchdog, 32992 multicast, 0 pause input&lt;BR /&gt;68034305 packets output, 3681168764 bytes, 0 underruns&lt;BR /&gt;0 output errors, 0 collisions, 0 interface resets&lt;BR /&gt;16497 unknown protocol drops&lt;BR /&gt;0 babbles, 0 late collision, 0 deferred&lt;BR /&gt;0 lost carrier, 0 no carrier, 1585534 pause output&lt;BR /&gt;0 output buffer failures, 0 output buffers swapped out&lt;BR /&gt;GigabitEthernet0/1.2 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;Internet address is 10.10.10.10/24&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 2.&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;GigabitEthernet0/1.10 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;Internet address is 10.0.99.200/24&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 10.&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;GigabitEthernet0/1.11 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;Internet address is 172.26.2.99/27&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 11.&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;GigabitEthernet0/1.12 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;Internet address is 172.26.88.33/27&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 12.&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;GigabitEthernet0/1.172 is up, line protocol is up&lt;BR /&gt;Hardware is CN Gigabit Ethernet, address is fc99.4794.3221 (bia fc99.4794.3221)&lt;BR /&gt;Internet address is 172.26.99.254/24&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation 802.1Q Virtual LAN, Vlan ID 172.&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;GigabitEthernet0/0/0 is up, line protocol is up&lt;BR /&gt;Hardware is EHWIC-1GE-SFP-CU, address is fc99.4794.3228 (bia fc99.4794.3228)&lt;BR /&gt;Description: BACKUP_WAN&lt;BR /&gt;Internet address is z.z.z.z/29&lt;BR /&gt;MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,&lt;BR /&gt;reliability 255/255, txload 1/255, rxload 1/255&lt;BR /&gt;Encapsulation ARPA, loopback not set&lt;BR /&gt;Keepalive set (10 sec)&lt;BR /&gt;Full Duplex, 1Gbps, media type is RJ45&lt;BR /&gt;output flow-control is XON, input flow-control is XON&lt;BR /&gt;ARP type: ARPA, ARP Timeout 04:00:00&lt;BR /&gt;Last input 00:00:00, output 00:00:01, output hang never&lt;BR /&gt;Last clearing of "show interface" counters never&lt;BR /&gt;Input queue: 0/75/0/5351 (size/max/drops/flushes); Total output drops: 0&lt;BR /&gt;Queueing strategy: fifo&lt;BR /&gt;Output queue: 0/40 (size/max)&lt;BR /&gt;5 minute input rate 11000 bits/sec, 3 packets/sec&lt;BR /&gt;5 minute output rate 0 bits/sec, 0 packets/sec&lt;BR /&gt;1946372 packets input, 479692649 bytes, 0 no buffer&lt;BR /&gt;Received 464667 broadcasts (0 IP multicasts)&lt;BR /&gt;0 runts, 0 giants, 0 throttles&lt;BR /&gt;0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored&lt;BR /&gt;0 watchdog, 0 multicast, 0 pause input&lt;BR /&gt;70466 packets output, 18990513 bytes, 0 underruns&lt;BR /&gt;0 output errors, 0 collisions, 0 interface resets&lt;BR /&gt;1 unknown protocol drops&lt;BR /&gt;0 babbles, 0 late collision, 0 deferred&lt;BR /&gt;1 lost carrier, 0 no carrier, 0 pause output&lt;BR /&gt;0 output buffer failures, 0 output buffers swapped out&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Gate#sh ver&lt;BR /&gt;Cisco IOS Software, C1900 Software (C1900-UNIVERSALK9-M), Version 15.2(4)M11, RELEASE SOFTWARE (fc1)&lt;BR /&gt;Technical Support: &lt;A href="http://www.cisco.com/techsupport" target="_blank"&gt;http://www.cisco.com/techsupport&lt;/A&gt;&lt;BR /&gt;Copyright (c) 1986-2020 by Cisco Systems, Inc.&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;ROM: System Bootstrap, Version 15.0(1r)M15, RELEASE SOFTWARE (fc1)&lt;/P&gt;&lt;P&gt;Gate_ uptime is 5 days, 17 hours, 33 minutes&lt;BR /&gt;System returned to ROM by reload at 16:35:51 CET Thu May 6 2021&lt;BR /&gt;System restarted at 16:37:49 CET Thu May 6 2021&lt;BR /&gt;System image file is "usbflash0:/c1900-universalk9-npe-mz.SPA.152-4.M11.bin"&lt;BR /&gt;Last reload type: Normal Reload&lt;BR /&gt;Last reload reason: Reload Command&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;This product contains cryptographic features and is subject to United&lt;BR /&gt;States and local country laws governing import, export, transfer and&lt;BR /&gt;use. Delivery of Cisco cryptographic products does not imply&lt;BR /&gt;third-party authority to import, export, distribute or use encryption.&lt;BR /&gt;Importers, exporters, distributors and users are responsible for&lt;BR /&gt;compliance with U.S. and local country laws. By using this product you&lt;BR /&gt;agree to comply with applicable laws and regulations. If you are unable&lt;BR /&gt;to comply with U.S. and local laws, return this product immediately.&lt;/P&gt;&lt;P&gt;A summary of U.S. laws governing Cisco cryptographic products may be found at:&lt;BR /&gt;&lt;A href="http://www.cisco.com/wwl/export/crypto/tool/stqrg.html" target="_blank"&gt;http://www.cisco.com/wwl/export/crypto/tool/stqrg.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;If you require further assistance please contact us by sending email to&lt;BR /&gt;export@cisco.com.&lt;/P&gt;&lt;P&gt;Cisco CISCO1921/K9 (revision 1.0) with 487424K/36864K bytes of memory.&lt;BR /&gt;Processor board ID FCZ163379YQ&lt;BR /&gt;3 Gigabit Ethernet interfaces&lt;BR /&gt;1 terminal line&lt;BR /&gt;1 Virtual Private Network (VPN) Module&lt;BR /&gt;DRAM configuration is 64 bits wide with parity disabled.&lt;BR /&gt;255K bytes of non-volatile configuration memory.&lt;BR /&gt;249840K bytes of USB Flash usbflash0 (Read/Write)&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;License Info:&lt;/P&gt;&lt;P&gt;License UDI:&lt;/P&gt;&lt;P&gt;-------------------------------------------------&lt;BR /&gt;Device# PID SN&lt;BR /&gt;-------------------------------------------------&lt;BR /&gt;*1 CISCO1921/K9 FCZ163379YQ&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Suite License Information for Module:'c1900'&lt;/P&gt;&lt;P&gt;--------------------------------------------------------------------------------&lt;BR /&gt;Suite Suite Current Type Suite Next reboot&lt;BR /&gt;--------------------------------------------------------------------------------&lt;BR /&gt;FoundationSuiteK9 None None None&lt;BR /&gt;securityk9&lt;BR /&gt;datak9&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Technology Package License Information for Module:'c1900'&lt;/P&gt;&lt;P&gt;------------------------------------------------------------------------&lt;BR /&gt;Technology Technology-package Technology-package&lt;BR /&gt;Current Type Next reboot&lt;BR /&gt;------------------------------------------------------------------------&lt;BR /&gt;ipbase ipbasek9 Permanent ipbasek9&lt;BR /&gt;security securityk9 Permanent securityk9&lt;BR /&gt;data None None None&lt;/P&gt;&lt;P&gt;Configuration register is 0x2102&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 12 May 2021 09:09:38 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-security/traceback-logs-on-cisco-1921/m-p/4401779#M1080711</guid>
      <dc:creator>00upaijcn6kIJPjXI5d6</dc:creator>
      <dc:date>2021-05-12T09:09:38Z</dc:date>
    </item>
  </channel>
</rss>

