![](/images/new-backgrounds/1158939/15893949x1.webp)
Cisco 2800 Series
SERIES SPECIFICATIONS continued
Maximum 10/100 Switch Ports with Inline Power
Cisco 2801 | 16 | |
Cisco 2811 |
| |
24 | ||
Cisco 2821 |
| |
24 | ||
Cisco 2851 |
| |
44 | ||
|
| |
Maximum Inline Power Distribution |
| |
|
| |
Cisco 2801 | 120W | |
Cisco 2811 | 160W | |
Cisco 2821 | 240W | |
Cisco 2851 | 360W | |
|
| |
Maximum 1 GB ports | 3, including HWIC (not supported on 2801) | |
|
| |
Maximum Token Ring Ports | 0 | |
|
| |
Maximum | 12 | |
(up to 2 Mbps) |
| |
|
| |
Maximum | 24 synchronous, 40 asynchronous | |
(up to 2 Mbps) |
| |
|
| |
Maximum Integrated Modems | 24 analog | |
|
| |
Maximum ISDN BRI Ports | 20 | |
|
| |
Maximum ISDN PRI Ports | 2 | |
|
| |
Integrated RPS Connector |
| |
|
| |
Cisco 2801 | No | |
Cisco 2811, Cisco 2821, Cisco 2851 | Yes; use Cisco | |
|
| |
Minimum Cisco IOS Software Release |
| |
|
| |
Cisco 2801 | 12.3(8)T4 | |
Cisco 2811 | 12.3(8)T4 | |
Cisco 2821 | 12.3(8)T4 | |
Cisco 2851 | 12.3(8)T4 | |
|
|
Cisco 2800 Series
CISCO IOS MEMORY REQUIREMENTS
Cisco IOS Software Release 12.3T Memory Recommendations for Cisco 2801 Routers |
| ||
Feature Sets | Software Image | Flash Memory | DRAM Memory |
|
|
|
|
IP Base | 64 MB | 128 MB | |
IP Voice | 64 MB | 128 MB | |
Enterprise Base | 64 MB | 128 MB | |
Advanced Security | 64 MB | 128 MB | |
SP Services | 64 MB | 128 MB | |
Enterprise Services | 64 MB | 128 MB | |
Advanced IP Services | 64 MB | 128 MB | |
Advanced Enterprise Services | 64 MB | 128 MB | |
Cisco IOS Software Release 12.3T Memory Recommendations for Cisco 2811, 2821, and 2851 Routers | |||
Feature Sets | Software Image | Flash Memory | DRAM Memory |
|
|
|
|
IP Base | 64 MB | 256 MB | |
IP Voice | 64 MB | 256 MB | |
Enterprise Base | 64 MB | 256 MB | |
Advanced Security | 64 MB | 256 MB | |
SP Services | 64 MB | 256 MB | |
Enterprise Services | 64 MB | 256 MB | |
Advanced IP Services | 64 MB | 256 MB | |
Advanced Enterprise Services | 64 MB | 256 MB | |
Advanced Enterprise Services with | 64 MB | 256 MB | |
SNA Switching |
|
|
|
Int. voice/video GK, IPIP GW,TDMIP GW | 64 MB | 256 MB | |
Int. voice/video GK, IPIP GW,TDMIP | 64 MB | 256 MB | |
GW AES |
|
|
|
46 | 47 |