topic Re: Multicast via GRE over IPSec basic questions in Network Security https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614855#M1054361 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>A 1711 can do this...but not fast. If I remember correctly, you should get 8 Mbps out of this box. </P></BODY></HTML> Mon, 19 Feb 2007 19:10:47 GMT dominic.caron 2007-02-19T19:10:47Z Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614854#M1054360 <P>I'm attempting to configure a GRE tunnel over IPSec to a remote network for the first time; my core 6500 switch lacks the hardware for this, so I'm trying to implement two 1700 routers as the headends in both networks.</P><P></P><P>Are 1700s up to the task of this implementation, or are other routers required?</P><P></P><P>Can a VPN endpoint device also be a GRE headend device?</P><P></P><P>Thanks,</P><P>Marc</P> Fri, 21 Feb 2020 09:25:03 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614854#M1054360 drumrb0y 2020-02-21T09:25:03Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614855#M1054361 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>A 1711 can do this...but not fast. If I remember correctly, you should get 8 Mbps out of this box. </P></BODY></HTML> Mon, 19 Feb 2007 19:10:47 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614855#M1054361 dominic.caron 2007-02-19T19:10:47Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614856#M1054362 <HTML><HEAD></HEAD><BODY><P>Thanks for the post;</P><P></P><P>I have a 1710 on one end - is it underpowered, or might it work?</P><P></P><P>8 Mbps should be ok; I'll have to let the performance speak for itself once I get it stood up.</P></BODY></HTML> Mon, 19 Feb 2007 19:15:02 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614856#M1054362 drumrb0y 2007-02-19T19:15:02Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614857#M1054363 <HTML><HEAD></HEAD><BODY><P>1710 is rated a 4 mbps of vpn. 1711 is rated at 15 mbps. </P><P></P><P>The GRE will degrade performance. In real life, my 1711 with ipsec over gre did 8 mbps using 800 bytes packets.</P></BODY></HTML> Mon, 19 Feb 2007 21:23:09 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614857#M1054363 dominic.caron 2007-02-19T21:23:09Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614858#M1054364 <HTML><HEAD></HEAD><BODY><P>This 1710 will be dedicated for GRE over IPSec traffic, so I hope it will handle the bandwidth.</P><P></P><P>Thanks!</P></BODY></HTML> Tue, 20 Feb 2007 13:49:09 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614858#M1054364 drumrb0y 2007-02-20T13:49:09Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614859#M1054365 <HTML><HEAD></HEAD><BODY><P></P><P>Does your 1700 have the VPN hardware adapter?</P><P></P><P>We normally find that (depending on exact type of traffic) we can count on a 1721 -WITH- the hardware encryption adapter will push about 1.9mbit (just short of an E1) of mixed traffic (average packet size 1280 bytes) full duplex over GRE/IPSec 3DES.</P><P></P><P>Your milage may very, but I wouldn't expect much more than that.</P><P></P><P>Software based encryption will be slower.</P><P></P><P>Rob</P><P></P></BODY></HTML> Tue, 20 Feb 2007 16:56:40 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614859#M1054365 roluce 2007-02-20T16:56:40Z Re: Multicast via GRE over IPSec basic questions https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614860#M1054366 <HTML><HEAD></HEAD><BODY><P>My 1710 has a VPN module, so I hope it doesn't degrade the video stream too badly.</P><P></P><P>Marc</P></BODY></HTML> Tue, 20 Feb 2007 16:58:24 GMT https://community.cisco.com/t5/network-security/multicast-via-gre-over-ipsec-basic-questions/m-p/614860#M1054366 drumrb0y 2007-02-20T16:58:24Z