Ip Tcp Adjust-Mss - Allied Telesis AT-AR3050S Command Reference Manual

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NTERFACE OMMANDS
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IP TCP ADJUST MSS

ip tcp adjust-mss

Overview Use this command to set the Maximum Segment Size (MSS) size for an interface,
where MSS is the maximum TCP data packet size that the interface can transmit
before fragmentation.
Use the no variant of this command to remove a previously specified MSS size for
a PPP interface, and restore the default MSS size.
ip tcp adjust-mss {<mss-size>|pmtu}
Syntax
no ip tcp adjust-mss
Default The default setting allows a TCP server or a TCP client to set the MSS value for itself.
Mode Interface Configuration
Usage When a host initiates a TCP session with a server it negotiates the IP segment size
by using the MSS option field in the TCP packet. The value of the MSS option field
is determined by the Maximum Transmission Unit (MTU) configuration on the host.
You can set a feasible MSS value on the following interfaces:
•
•
•
•
Examples To configure an MSS size of 1452 bytes on PPP interface ppp0, use the commands:
awplus#
awplus(config)#
awplus(config-if)#
To configure an MSS size of 1452 bytes on Ethernet interface eth1, use the
commands:
awplus#
awplus(config)#
awplus(config-if)#
C613-50077-01 REV A
Parameter Description
<mss-size>
<64-1460> Specifies the MSS size in bytes.
pmtu
Adjust TCP MSS automatically with respect to the MTU on the
interface.
PPPoE
Ethernet
VTI Tunnels (IPSeC, GRE, IPv6, L2TP, OpenVPN)
VLAN
configure terminal
interface ppp0
configure terminal
interface eth1
Command Reference for AT-AR3050S
AlliedWare Plus™ Operating System - Version 5.4.5-2.x
ip tcp adjust-mss 1452
ip tcp adjust-mss 1452
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