VXLAN Centralized Gateway Deployment

yjhd · Created Oct 27, 2018 06:39:00

very helpful:
UDP Source Port: The value is dynamically generated based on the hash result of data flows.
VXLAN I flag: The value must be set to 1, indicating that the VNI field is valid.
n VXLAN VNI: is a 24-bit value that identifies virtual networks. The maximum value is 16M.
n Original Ethernet Frame: As recommended in the standard, the VLAN tag of the original packet is removed after VXLAN encapsulation. Even if the VLAN tag is not removed, the egress NVE forwards the packet based on only the VNI (the VLAN of the original packet is ignored).

Torrent · Created Oct 27, 2018 06:42:19

The active-dull-client enable command enables the function of preventing terminals from entering energy-saving mode.

The undo active-dull-client enable command disables the function.

By default, the function of preventing terminals from entering energy-saving mode is disabled.

This post was last edited by Torrent at 2018-10-31 06:28.

littlestone · Created Oct 27, 2018 06:45:00

After switches are connected using stack links and set up a stack, they form a stack domain. Multiple stacks can be deployed on a network to support various applications. These stacks are identified by their domain IDs.

Stack member ID

Stack member IDs are used to identify and manage member switches in a stack. Each member switch in a stack has a unique member ID. This post was last edited by littlestone at 2018-10-31 05:43.

SupperRobin · Created Oct 27, 2018 06:50:18

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wanglei259 · Created Oct 27, 2018 07:33:13

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Finn92 · Created Oct 27, 2018 07:41:22

if you can share more information about the development in detail ,that's great .

I am very interested for this sharing , which is very helpful to our daily work. I have the similar problems in my daily troubleshooting, but I do not know how to deal with them. Now I have a clear idea. Thank you very much for your post. Hope you can update continue like this , thank you very much .

This post was last edited by Finn92 at 2018-10-31 09:04.

SupperRobin · Created Oct 27, 2018 07:41:47

In an all-active gateway scenario where the overlay network is an IPv6 network, multiple gateways advertise routes of the same subnet to the upper-layer routing device so that the upper-layer routing device has equal-cost routes to the specified network segment. Traffic from the upper-layer routing device is sent to a gateway through an equal-cost route. If there is no ND entry of the destination host on the gateway, ND packets are flooded and traffic is discarded.
To ensure correct traffic forwarding, all-active gateways must synchronize ND entries. That is, when any host in the subnet where a gateway is deployed goes online, all gateways learn the ND entry of the host. The working mechanism is as follows:

This post was last edited by SupperRobin at 2018-10-31 06:21.

No.9527 · Created Oct 27, 2018 08:08:59

In centralized VXLAN gateway deployment in static mode, the control plane is responsible for VXLAN tunnel establishment and dynamic MAC address learning; the forwarding plane is responsible for intra-subnet known unicast packet forwarding, intra-subnet BUM (Broadcast&Unknown-unicast&Multicast) packet forwarding, and inter-subnet packet forwarding.

Deploying centralized VXLAN gateways in static mode involves heavy workload and is inflexible, and therefore is inapplicable to large-scale networks. As such, deploying centralized VXLAN gateways using BGP EVPN is recommended.

This post was last edited by No.9527 at 2018-10-31 03:32.

faysalji · Created Oct 27, 2018 17:27:06

Hey thanks for sharing

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