# Source Destination Prt Type MTU VLAN Acls
----- -------------- -------------- --- ----- ---- ---- ----------------
10 192.0.2.1 198.51.100.1 47 1 1100 0 0 0 0 0
11 192.0.2.1 203.0.113.1 47 1 1100 0 0 0 0 0
BSSID Decaps Encaps Heartbeats Flags EncapKBytes DecapKBytes
----------------- -------- ---------- ---------- ------- ----------- ------------
00:00:00:00:00:00 0 5 0 TEFPR
00:00:00:00:00:00 0 0 0 LEFPRH
In this example, the member tunnel 11 is a standby tunnel, which is denoted by the H flag.
Configuring a Layer-2 or Layer-3 Tunnel Group Using the WebUI
To configure a Layer-2 or Layer-3 tunnel group using the WebUI:
1. Navigate to the Configuration > Network > IP > GRE Tunnels page.
2. In the Tunnel Group pane, click Add.
3. Specify a name for the tunnel-group in the Tunnel Group Name text box.
4. Under Mode, select the tunnel group type.
5. In the Tunnel Group Member text box, specify the tunnel IDs, separating the IDs with commas.
6. To enable preemption, select the Enable Preemptive-Failover Mode check box. This option is enabled by
default.
To disable pre-emption, clear the check box.
7. Click Apply.
Jumbo Frame Support
Jumbo frames are the data frames that are larger than 1500 bytes and includes the Layer 2 header and Frame
Check Sequence (FCS). Jumbo frames functionality can be configured on OAW-40xx Series and OAW-4x50
Series switches to support up to 9216 bytes of payload.
In centralized deployments, frames that are more than 1500 bytes in size are generated from AP to the switch
during encryption and enabling AMSDU. Therefore, whenever the AP associates to the switch, jumbo frames
are used to get the highest network performance. If this functionality is not supported, the data frames gets
fragmented, which reduces the overall throughput of the network and makes the network slow.
AOS-W supports jumbo frames between 11ac APs and both OAW-40xx Series and OAW-4x50 Series switchesonly.
You can enable the jumbo frame support in the following scenarios:
n Tunnel node: In a tunneled node deployment, the wired clients connected on the tunneled nodes can send
and receive the jumbo frames.
n L2/L3 GRE tunnels: When you establish a GRE tunnel between two switches, the clients on one switch can
send and receive jumbo frames from the clients on the other switch on enabling jumbo frames.
n Between wired clients: In a network where clients connect to the switch with jumbo frames enabled ports
can send and receive the jumbo frames.
n Wi-Fi tunnel: A Wi-Fi tunnel can support an AMSDU jumbo frame for an AP (The maximum MTU supported
is up to 9216 bytes).
Limitations for Jumbo Frame Support
This release of AOS-W does not support the jumbo frames for the following scenarios:
n IPsec, IPIP, and xSec.
AOS-W 6.5.3.x | User Guide Network Configuration Parameters | 127
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