Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 209
• Configuring LAG Parameters
• Configuring Multilink ATM Inverse Multiplexing (IMA) Groups
• Configuring SDI Ports for IPCP Encapsulation
• Configuring TDM and SDI Ports for Frame Relay Encapsulation
• Configuring TDM and SDI Ports for HDLC Encapsulation
• Configuring TDM and SDI Ports for Cisco HDLC Encapsulation
• Configuring GNSS Receiver Port Parameters
• Configuring Serial Ports for Raw Socket Transport
3.11.2.1 Configuring APS Port Parameters
APS has the following configuration rules.
• A working port must be added first. Then a protection port can be added or
removed at any time.
• The protection port must be removed from the configuration before the working
port is removed.
• A protection port or working port must be shut down in the config>port port-id
context before being removed from an APS group.
• A path cannot be configured on a port before the port is added to an APS group.
• A working port cannot be removed from an APS group until the APS port path is
removed.
• When ports are added to an APS group, all path-level configurations are
available only at the APS port level and configuration on the physical member
ports is blocked.
• When a port is a protection circuit of an APS group, the configuration options
available in the config>port port-id>sonet-sdh context are not allowed for that
port unless they are in the following exception list:
− clock-source
− [no] loopback
− [no] report-alarm
− section-trace
− [no] threshold
SC-APS is supported in unidirectional or bidirectional mode on:
• 2-port OC3/STM1 Channelized Adapter cards for TDM CES (Cpipes) and TDM
CESoETH with MEF 8 with DS3/DS1/E1/DS0 channels
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