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Monitor
Tsunami
®
 800 & 8000 Series - Software Management Guide 
224
Figure 7-7 PPPoE Connection Statistics
To view updated connection statistics, click Refresh.
To restart the session between the PPPoE client and server, click Restart PPPoE Session. On successfully re-establishing a
session, the IP address of the wireless interface will be assigned again by the PPPoE server, if Address Type is set to PPPoE-ipcp.
To clear the existing connection statistics, click Clear.
7.2.4 IP Tunnels 
: Applicable only in Routing Mode.
To view IP Tunnels interface statistics, click MONITOR  > Interface Statistics > IP Tunnels. The following IP Tunnel
Interface Statistics
 screen appears:
Figure 7-8 IP Tunnels Interface Statistics
Given below is an explanation to each of these parameters:
Parameter
Description
Name
Specifies the tunnel interface name.
Alias
Specifies the supplementary tunnel interface name.
Maximum 
Transmission Unit 
(MTU)
Specifies the largest size packet or frame that can be sent over the tunnel interface. 
The MTU of the tunnel interface is derived from the underlying interface:
For IP-IP tunnel interface: MTU = Underlying interface MTU – 20 bytes (IP header)
For IP-GRE interface: MTU = Underlying interface MTU – 24 bytes (IP header + gre 
protocol)