Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 13
Feature Description
IPv6 Features
●
IPv6 addressing architecture
●
IPv6 name resolution
●
IPv6 statistics
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IPv6 translation-transport packets between IPv6-only and IPv4-only endpoints
●
ICMPv6
●
IPv6 DHCP
QoS Features
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Priority and custom queuing
●
Class-Based Weighted Random Early Detection (CBWRED)
●
Network-Based Application Recognition (NBAR)
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Link Fragmentation and Interleaving (LFI)
●
Resource Reservation Protocol (RSVP)
●
RTP Header compression (Real Time Protocol)
●
Differentiated Services (DiffServ)
●
QoS Preclassify & Pre-fragmentation
●
Class-Based Marking (CBM)
Multicast Features
●
Protocol Independent Multicast (PIM) Sparse Mode
●
PIM Sparse-Dense Mode
●
Auto Route Processing (Auto-RP)
High-Availability
Features
●
Multigroup HSRP (MHSRP)
The Advanced Enterprise software image has all the features of Advanced IP Services and Advanced Security
software images, with the addition of the below features.
Table 6. Cisco IOS Software Features on Cisco 870 Series Routers—Advanced Enterprise Services Feature Set
(Optional Software Upgrade on Cisco 876 Only)
Feature Description
High-Availability Features
●
Integrated dial backup for ADSL using ISDN S/T port
●
Primary ISDN WAN
●
ISDN Leased Line at 128Kbps
Table 7. Hardware Specifications
Feature Specification
Default DRAM 128 MB
Maximum DRAM 256 MB
Default Flash Memory 24 MB (28 MB for Advanced IP Services Feature Set)
Maximum Flash Memory 52 MB
WAN
●
871: 100 MB Ethernet
●
876: ADSL over ISDN (ADSL2/ADSL2+ Annex B)
●
877: ADSL over analog telephone lines (ADSL2/ADSL2+ Annex A and Annex M (except UK Mask))
●
878: G.SHDSL (2- and 4-wire support)
●
3 Mbps IMIX aggregate performance for Cisco 878
LAN Switch Managed 4-port 10/100BASE-T with autosensing MDI/MDX (Media Device In/Media Device Cross Over)
for autocrossover
802.11b/g WLANs Optional on all models
Console Port RJ-45
USB 2.0 Ports For
Advanced Security Features
Such as Security Tokens
●
2 USB 2.0 ports on Cisco 871 only
●
USB 2.0 ports cannot be used for connecting external devices other than those specified for the Cisco 871
ISDN Basic Rate Interface
(BRI) S/T
Only available on:
●
Cisco 876 for out-of-band management and dial backup
●
Cisco 878 for out-of-band management
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