Table 5: Adaptive Services PiCs Software Features
Adaptive Services
II Layer 2 Services
PIC
Adaptive Services II
PIC
Software Feature
––GRE Key
––GRE dont-fragment
–6.4Stateful firewall with packet inspection: detects
SYN attacks, ICMP and UDP floods, and ping of
death attacks
–6.4Network Address Translation (NAT) for IP
addresses
–6.4Port Address Translation (PAT) for port numbers
–6.4IP Security (IPSec) encryption
–7.0Active flow monitoring exports cflowd version
5 and version 8 records
–8.3Active flow monitoring exports version 9
records, based on RFC 3954 (IP v4 templates
only)
––Passive flow monitoring
––Passive flow collection
–8.1Flow-tap
––Dynamic flow capture
–8.3Real-time performance monitoring
7.57.3Link services
7.56.4Tunnel services:
■IP-IP unicast tunneling
■GRE unicast tunneling—Supports GRE
fragmentation
■Protocol Independent Multicast (PIM) sparse
mode unicast tunneling
–6.4Virtual tunnel interface for Layer 3 VPNs
––Layer 2 Tunneling Protocol (L2TP)
7.57.3Voice services:
■Compressed Real-Time Transport Protocol
(CRTP)
Adaptive Services II Layer 2 Services PIC ■11
Adaptive Services II Layer 2 Services PIC