Searching for Gre Support Multicast information? Find all needed info by using official links provided below.
https://support.packet.com/kb/articles/multicast-with-gre
Multicast can be a one-to-many or a many-to-many distribution. Multicast requires the source to send a packet only once, even if it needs to be delivered to a large number of receivers. Why is Multicasting disabled on Packet's network? Packet does not support multi-cast in its default Layer 3 network topology.
https://bjornruud.net/2011/02/gre-tunnel-with-multicast-support.html
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco and is widely used for IP-to-IP tunneling. Since it can encapsulate all kinds of IP traffic, GRE can be used to transport multicast traffic over networks that have no multicast support.
https://customer.cradlepoint.com/s/article/Do-Cradlepoints-Support-Multicast-through-GRE
Mar 08, 2019 · No, Cradlepoints do not support multicast LAN to LAN through GRE; Suggested workaround is to use OpenVPN Bridged; Additional Information. URL Name. Do-Cradlepoints-Support-Multicast-through-GRE. Routing. No related lists to display. Follow Following Unfollow. Ask a Question. Related Articles.
https://learningnetwork.cisco.com/thread/44337
Jul 01, 2012 · Hi, After going through detailed IPSec process i got to know that IPSec cannot support Multicast traffic because IPSec SA is defined for a destination unicast address now all of a sudden if we encapsulate that packet into gre it can support multicast traffic and i want to know how that is possible?
https://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/41940-dmvpn.html
Jan 04, 2006 · GRE tunnels do support transporting IP multicast and broadcast packets to the other end of the GRE tunnel. The GRE tunnel packet is an IP unicast packet, so the GRE packet can be encrypted using IPsec.
https://community.cisco.com/t5/switching/multicast-across-gre-tunnel/td-p/1085375
Dec 23, 2008 · I think your setup is not representing the real network scenario you tried to push into a too simple network the support of multicast GRE tunnel but the core link between the two routers is also the link to sources or reicevers.
https://community.cisco.com/t5/other-security-subjects/why-doesnt-ipsec-support-multicast-traffic/td-p/157915
Sorry to quote RFC's at you, but we simply follow the standard and the standard didn't support this. You can work around it by defining a GRE/IPSec connection, but all that's really doing is encapsulating the broadcast/multicast into a unicast GRe …
https://blog.pythian.com/network-multicast-support-azure/
Do VNets support multicast or broadcast? No. We do not support multicast or broadcast. What protocols can I use within VNets? You can use standard IP-based protocols within VNets. However, multicast, broadcast, IP-in-IP encapsulated packets and Generic Routing Encapsulation (GRE) packets are blocked within VNets. Standard protocols that work ...
https://feedback.azure.com/forums/217313-networking/suggestions/3741233-support-multicast-within-virtual-networks
Dec 18, 2015 · Support for Unicast VRRP as Multicast is not supported. Currently, I am able to add 2 IPs on same NIC card. But this secondary IP is not reachable.
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