Alcatel-Lucent 7705 - Provisioning CSM and Adapter Card Parameters; Card and Card-Type Commands

Card, Adapter Card, and Port Command Reference
Page 124 7705 SAR OS Interface Configuration Guide
The no form of this command restores the default.
Default access
Parameters access — configures the channel as service access
network — configures the channel for transport network use
mtu
Syntax mtu mtu-bytes
no mtu
Context config>port>tdm>ds1>channel-group
config>port>tdm>e1>channel-group
Description This command configures the maximum payload MTU size for a port.
Packets received that are larger than the MTU will be fragmented or discarded, depending on whether
the DF bit is set in the packet header.
If the port mode or encapsulation type is changed, the MTU assumes the default values of the new
mode or encapsulation type.
The no form of this command restores the default values.
Default The default MTU value depends on the port type, mode and encapsulation as listed in the following
table:
Parameters mtu-bytes — sets the maximum allowable size of the MTU, expressed as an integer
Values 512 to 1572 bytes
Type Mode Encap Type Default
(Bytes)
TDM (PW) Access cem 1572
TDM (ATM PW) Access atm 1572
TDM (PPP/MLPPP) Network ppp-auto 1572
TDM (PPP/MLPPP) Access ipcp 1572