Sonet/Sdh Synchronization Features - Cisco ASR 1000 Series Software Configuration Manual

SONET/SDH Synchronization Features

• Line remote error indication (LREI)
• Line Error counts for B2
• Line Threshold crossing alarms (TCA) for B2
• Path alarm indication signal (PAIS)
• Path remote defect indication (PRDI)
• Path remote error indication (PREI)
• Path Error counts for B3
• Path Threshold crossing alarms (TCA) for B3
• Path Loss of pointer (LOP)
• Path New pointer events (NEWPTR)
• Path Positive stuffing event (PSE)
• Path Negative stuffing event (NSE)
SONET/SDH Synchronization Features
The SONET/SDH synchronization features for the Packet over SONET (POS) SPAs on Cisco ASR 1000
Series Aggregation Services Routers:
• Local (internal) timing (for inter-router connections over dark fiber or Wavelength Division Multiplex
• Loop (line) timing (for connecting to SONET/SDH equipment)
• Approximately 20 ppm clock accuracy over the full range of the operating temperature
WAN Protocol Features
• HDLC and Frame Relay IETF encapsulation
• Multiprotocol Label Switching (MPLS)
• RFC 1661, The Point-to-Point Protocol (PPP)
• RFC 1662, PPP in HDLC framing
• RFC 2615, PPP over SONET/SDH (with 1+x43 self-synchronous payload scrambling)
Network Management Features
• Simple Network Management Protocol (SNMP) Management Information Base (MIB) counters
• Local (diagnostic) loopback
• Network loopback
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
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[WDM] equipment)
Overview of the POS SPAs
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