Blocking Direct Broadcast; Maximum Transmission Unit (Mtu) - Siemens S223 User Manual

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8.14
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SWITCH(bridge)#

Blocking Direct Broadcast

RFC 2644 recommends that system blocks broadcast packet of same network bandwidth
with interfaceof equipment, namely Direct broadcast packet. Hereby, SURPASS hiD 6615
supposed to block Direct broadcast packet by default setting. However, you can enable or
disable it in SURPASS hiD 6615. In order to block Direct broadcast packet, use the fol-
lowing command.
Command
no ip forward direct-broadcast
ip forward direct-broadcast
The following is an example of blocking Direct broadcast packet and showing it.
SWITCH(config)# ip forward direct-broadcast
SWITCH(config)# show running-config
Building configuration...
(omitted)
!
ip forward direct-broadcast
!
no snmp
!
SWITCH(config)#

Maximum Transmission Unit (MTU)

Maximum value for the length of the data payload can be transmitted. User can control
Maximum Transmission Unit (MTU) with below command.
Command
mtu <68-1500>
no mtu
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
2200/ 1518
1518/ 1518
1518/ 1518
Mode
Enables blocking Direct broadcast packet. (Default)
Global
Disables blocking Direct broadcast packet.
Mode
Configures maximum MTU size.
Interface
Returns to the default MTU size.
SURPASS hiD 6615 S223/S323 R1.5
Description
Description
A50010-Y3-C150-2-7619
User Manual