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Line remote error indication (LREI)
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Line Error counts for B2
•
Line Threshold crossing alarms (TCA) for B2
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Path alarm indication signal (PAIS)
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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
[WDM] equipment)
•
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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OL-14127-17
Overview of the POS SPAs
SONET/SDH Synchronization Features