| Feature
| Cisco 1861 Series
| Cisco 1841 Series
| Cisco 1800 Series Fixed- Configuration Routers
|
| Target Applications
| Small Office Unifield
| Secure Data with frame relay or
| Secure data with broadband access and backup WAN
|
|
| Communicate Data and Security
| leased line access (T1/E1)
|
|
| DRAM
| Cisco IOS Software: 256 MB
| Synchronous dual line memmory
| Synchronous dual line memmory module
|
|
| Voice messaging: 512 MB
| module (DIMM) DRAM
| (DIMM) SDRAM (1DIMM slot)
|
| DRAM capacity
|
| Default 128 MB; Max: 384 MB
| Default 128 MB; Max: 384 MB
|
| Flash memory
| Cisco IOS Software: 128MB
| External removeable compact Flash
| External removeable compact Flash
|
|
| Voice messaging: 1 GB; Compact Flash
|
|
|
| Flash memory capacity
|
| Default 32 MB; Maximum 128 MB
| Default 32 MB; Maximum 128 MB
|
| Cisco IOS Sofware
| Cisco IOS software 12.4(11) XW or
| IP Base- 12.4(1)
| 12.3(8)YI
|
| default image
| Higher Releases
|
|
|
| Cisco IOS Sofware
| SP Service K9
| IP Base (security and broadbnd
| Advanced IP services (without voice services) except
|
| default image
|
| bundles have image upgrades)
| Cisco 1801 which Cisco IOS IP Broadband
|
| Routing Protocols
| BGP, EIGRP, OSPF, RIP v.1, RIP v.2
| BGP, EIGRP, OSPF, RIP v.1, RIP v.3
| BGP, EIGRP, OSPF, RIP v.1, RIP v.4
|
| Routed Protocols
| IPv4, IPv6 unicast only (IPX, IBM SNA,
| IPv4, IPv6 unicast only (IPX, IBM SNA,
| IPv4, IPv6 unicast only (IPX, IBM SNA,
|
|
| Apple Talk, supported with optimal
| Apple Talk, supported with optimal
| Apple Talk, supported with optimal
|
|
| Advanced Enterprice Services Feature Set
| Advanced Enterprice Services Feature Set
| Advanced Enterprice Services Feature Set
|
| QoS Protocols
| WFQ, CBWFQ,WRED, CAR, RSVP, Network
| WFQ, CBWFQ,WRED, CAR, RSVP, Network
| WFQ, CBWFQ,WRED, CAR, RSVP, Network
|
|
| Based Application Recognition
| Based Application Recognition
| Based Application Recognition
|
