Cisco ASR 1000

12-4
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
OL-14127-08
Chapter 12 Overview of the POS SPAs
Supported Features
– Positive stuffing event (PSE)
– Negative stuffing event (NSE)
SONET/SDH Synchronization Features
• 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)
• +/– 20 ppm clock accuracy over full 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
• NetFlow Data Export
• RFC 3592 performance statistics for timed intervals (current, 15-minute, multiple 15-minute, and
1-day intervals):
– Section CV (code violations)
– Section ES (error seconds)
– Section SES (severly errored seconds)
– Near end & Far end Line CV
– Near end & Far end Line ES
– Near end & Far end Line SES
– Near end & Far end Line UAS (unavailable seconds)
– Near end & Far end Path CV
– Near end & Far end Path ES
– Near end & Far end Path SES
– Near end & Far end Path UAS