Specifications
| Brand headquarters / origin | Cisco / USA |
|---|---|
| Model | CISCO861-K9 |
| Model type | Cisco 861 non-wireless Ethernet security router |
| WAN | 1 × 10/100Mbps Fast Ethernet |
| LAN | 4 × 10/100Mbps managed Ethernet ports; auto-MDI/MDI-X |
| Console / auxiliary | 1 × RJ45 CON/AUX port |
| Wireless / DSL | No integrated wireless or DSL modem in CISCO861-K9 |
| VLAN | 2 IEEE 802.1Q VLANs |
| LAN functions | SPAN, storm control and Smartports |
| VPN | 5 IPsec tunnels; hardware-accelerated DES/3DES/AES; Easy VPN client/server; NAT transparency |
| Firewall | Zone-based policy and stateful inspection |
| Routing / IP | RIPv1/v2, GRE/mGRE, CEF, NAT, DHCP server/relay/client, DNS proxy and ACLs |
| QoS | WFQ and class-based WFQ |
| Management | Cisco IOS CLI, SSH, SNMPv3, HTTP, RADIUS and TACACS+; legacy Cisco configuration tools |
| Memory | 256MB DRAM; 128MB flash per official system table |
| Power supply | External 100–240V AC, 50–60Hz input; 12V DC output; 60W maximum output rating |
| Dimensions non-wireless (W × D × H) | 325 × 249 × 48mm including feet; 44mm high without feet |
| Operating temperature | 0–40°C |
| Storage temperature | −20–65°C |
| Operating humidity | 10–85% RH, non-condensing |
| Storage humidity | 5–95% RH, non-condensing |
Key Features
- Connect a small site through a Fast Ethernet WAN uplink.
- Attach four wired LAN devices with managed switching functions.
- Separate supported LAN traffic with two VLANs.
- Configure up to five IPsec tunnels for compatible networks.
- Manage routing and security through Cisco IOS tools.
Product Information
CISCO861-K9 is the non-wireless Ethernet model in the Cisco 860 Series. Its WAN interface uses Fast Ethernet, and its integrated four-port LAN switch supports two VLANs. The device includes firewall and IPsec features under the documented Advanced Security software feature set.
Use it with a suitable upstream Ethernet connection and matching external power supply. This model has no built-in Wi-Fi or DSL modem; capabilities described for 861W and 867 variants are not applied here. The official datasheet gives a 2.5kg maximum for the series rather than a verified exact-model net weight, so Shipping Weight remains blank. Confirm software availability and interoperability for this legacy platform.



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