topic GRE/IPSec Tunnel congestion (output drops) in Network Security https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760725#M1054179 <P>Hello All</P><P> Any idea what can be causing tunnel interface output drops? All my p-2-p tunnels are reporting output drops.</P><P>My remote sites each contain three T1's (PPP Multilink setup) My serial interface;s are not reporting output drops, my Multilink interfaces are reporting perhaps 5% drops compared to the tunnel interface.</P><P>Central site contains a DS3 (Carved 18Mbps)</P><P>I just cleared the counters and will be monitoring the results.</P><P></P><P>Thanks</P><P>Hank</P><P></P> Fri, 21 Feb 2020 09:29:26 GMT hburgos 2020-02-21T09:29:26Z GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760725#M1054179 <P>Hello All</P><P> Any idea what can be causing tunnel interface output drops? All my p-2-p tunnels are reporting output drops.</P><P>My remote sites each contain three T1's (PPP Multilink setup) My serial interface;s are not reporting output drops, my Multilink interfaces are reporting perhaps 5% drops compared to the tunnel interface.</P><P>Central site contains a DS3 (Carved 18Mbps)</P><P>I just cleared the counters and will be monitoring the results.</P><P></P><P>Thanks</P><P>Hank</P><P></P> Fri, 21 Feb 2020 09:29:26 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760725#M1054179 hburgos 2020-02-21T09:29:26Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760726#M1054188 <HTML><HEAD></HEAD><BODY><P>One of the reasons for the increase of dropped packets is that the input rate to the serial interface exceeds the bandwidth available on the serial link</P></BODY></HTML> Tue, 24 Apr 2007 15:26:51 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760726#M1054188 b.speltz 2007-04-24T15:26:51Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760727#M1054191 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:04:53 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760727#M1054191 2007-06-04T19:04:53Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760728#M1054197 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:05:01 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760728#M1054197 2007-06-04T19:05:01Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760729#M1054200 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:05:09 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760729#M1054200 2007-06-04T19:05:09Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760730#M1054202 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:05:15 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760730#M1054202 2007-06-04T19:05:15Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760731#M1054204 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:05:23 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760731#M1054204 2007-06-04T19:05:23Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760732#M1054205 <HTML><HEAD></HEAD><BODY><P></P></BODY></HTML> Mon, 04 Jun 2007 19:05:28 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760732#M1054205 2007-06-04T19:05:28Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760733#M1054207 <HTML><HEAD></HEAD><BODY><P>Also check your MTU. You could have fragmentation occuring due to 24byte GRE overhead.</P></BODY></HTML> Sat, 09 Jun 2007 23:43:56 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760733#M1054207 Ryan Douglas 2007-06-09T23:43:56Z Re: GRE/IPSec Tunnel congestion (output drops) https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760734#M1054209 <HTML><HEAD></HEAD><BODY><P>You are traffic-shaping on the DS3 or are you sending 45Mb to the 18Mb circuit?</P></BODY></HTML> Fri, 15 Jun 2007 18:05:43 GMT https://community.cisco.com/t5/network-security/gre-ipsec-tunnel-congestion-output-drops/m-p/760734#M1054209 rseiler 2007-06-15T18:05:43Z