7705 SAR Interfaces
436
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
mode
Syntax mode {access | network}
Context config>port>sonet-sdh>path
Description This command configures the mode of operation for a SONET/SDH port or channel on a 4-
port OC3/STM1 Clear Channel Adapter card or 4-port OC3/STM1 / 1-port OC12/STM4
Adapter card.
An access port or channel is used for customer-facing traffic on which services are
configured. A Service Access Point (SAP) can only be configured on an access port or
channel. When a port or channel on the 4-port OC3/STM1 Clear Channel Adapter card is
configured for access mode, the encap-type must be set to atm. The 4-port OC3/STM1 /
1-port OC12/STM4 Adapter card does not support ATM when configured for access mode.
A network port or channel configured for Packet over SONET (POS) is used as an uplink to
connect to the packet network and transport the configured services. When a port or channel
is configured for network mode, the encap-type must be set to ppp-auto.
To change the mode, the path must first be removed and then recreated with the new mode.
For example, to change the mode from access to network:
config>port>sonet-sdh>path# back
config>port>sonet-sdh# no path
config>port>sonet-sdh# path
config>port>sonet-sdh>path# mode network
config>port>sonet-sdh>path#
Default access
Parameters access — configures the port or channel for access mode
network — configures the port or channel for network mode
mtu
Syntax mtu mtu
no mtu
Context config>port>sonet-sdh>path
Description This command configures the maximum payload MTU size for a SONET/SDH port on a
4-port OC3/STM1 Clear Channel Adapter card. When encap-type is atm, the path MTU
value cannot be changed. Refer to the 7705 SAR Services Guide, “Global Service Command
Reference”, for information on configuring the path MTU.
The no form of this command restores the default value.
Default 1524 (for access mode)
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