United StatesNetworking Routers ISR 1800
Harness exceptional routing performance with the Router ISR 1800. Engineered with industry-leading security protocols and advanced management features, it ensures reliable, high-speed connectivity for modern enterprise networks.
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49 Matching results
- BEST SELLING
CISCO1841 (Cisco 1800 Series Router: Cisco 1841 Modular Router w/2xFE, 2 WAN slots, 64 FL/256 DR)
4.6 (5)- Enterprise Router
- IPSec / GRE / N/A
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value
$1,395.00$120.00
91.4% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING
CISCO1801/K9 (ADSL/POTS Router with Firewall/IDS and IPSEC 3DES)
4.4 (5)- Enterprise Router
- IPSec / SSL VPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $1,495.00$137.00
90.8% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING
CISCO1802/K9 (ADSL/ISDN Router with Firewall/IDS and IPSEC 3DES)
4.8 (5)- Enterprise Router
- IPSec
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $1,495.00$151.00
89.9% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
CISCO1841-ADSL2 (1841 bundle, HWIC-1ADSL, IP BB, 64F/256D)
4.6 (5)- Enterprise Router
- IPSec
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- DSL
- Modular
- Dual WAN
Est Value $1,695.00$519.00
69.4% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1841-SEC/K9 (Cisco 1841 Router Security Bundle, Adv. Security, 64FL/256DR)
4.6 (5)- Enterprise Router
- IPSec
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $2,495.00$120.00
95.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1841-T1-V2 (1841 bundle w/HWIC-1DSU-T1, IP Base, 32FL/128DR)
4.6 (5)- Enterprise Router
- IPSec VPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- WAN
Est Value $2,395.00$345.00
85.6% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1802 (ADSL/ISDN router w/IOS IP Broadband)
4.4 (5)- Enterprise Router
- IPSec / SSL VPN
- AC Power Supply with Redundant Option
- OSPF / BGP / EIGRP / Static Routing
- DSL
- Fixed
- Dual WAN
Est Value $1,000.00$457.00
54.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1801 (ADSL/POTS router w/IOS IP Broadband)
5 (5)- Enterprise Router
- IPSec
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $1,000.00$457.00
54.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1841-ADSL2-I (1841 ADSLoISDN bdle, HWIC-1ADSLI, IP Base, 64F/256D")
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / GRE
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- DSL
- Fixed
- WAN
Est Value $1,695.00$577.00
66% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1841-4SHDSL (1841 4-pair G.SHDSL bundle, HWIC-4SHDSL, IP Base, 64F/256D)
5 (5)- Enterprise Router
- IPSec
- AC Power Supply / Redundant
- OSPF / EIGRP / RIP / Static Routing
- DSL
- Modular
- WAN
Est Value $1,995.00$1,012.00
49.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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C1861W-SRST-C-B/K9 (1861,WLAN,8-usrSRST/CME,CUE,4FXS,2BRI,8xPOE,SP Svcs,HWICslot)
4.6 (5)- Enterprise Router
- IPSec VPN
- AC Power Supply with Redundant Option
- OSPF / EIGRP / RIP / BGP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $4,995.00$2,412.00
51.7% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING
CISCO1812/K9 (Dual Ethernet Security Router with ISDN S/T Backup)
4.4 (5)- Integrated Services Router
- IPSec / SSL VPN / DMVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- DSL
- Fixed
- WAN
Est Value $1,295.00$74.00
94.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING
CISCO1803/K9 (G.SHDSL Router with Firewall/IDS and IPSEC)
4.2 (5)- Enterprise Router
- IPSec / GRE / DMVPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
CISCO1801-M/K9 (CISCO1801 Security Router with Annex M)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1801W-AG-N/K9 (ADSL/POTS Router with 802.11a+g ANZ Compliant and Security)
4.6 (5)- Enterprise Router
- IPSec / DMVPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
CISCO1811/K9 (Dual Ethernet Security Router with V.92 Modem Backup)
4.8 (5)- Enterprise Router
- IPSec
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1841-2SHDSL (1841 2-pair G.SHDSL bundle, HWIC-2SHDSL, IP Base, 64F/256 D)
4.2 (5)- Enterprise Router
- IPSec / SSL VPN / N/A
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- DSL
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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C1861W-UC-4FXO-K9 (1861, WLAN,8-user CME,CUE,Ph. Lic,4FXS,4FXO,8xPOE,HWIC slot)
4.6 (5)- Integrated Services Router
- IPSec / SSL VPN
- AC Power Supply
- EIGRP / OSPF / RIP / Static Routing
- N/A
- Fixed
- WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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CISCO1801W-AG-B/K9 (ADSL/POTS Router with 802.11a+g FCC Compliant and Security)
4.2 (5)- Enterprise Router
- IPSec / SSL VPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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C1861W-SRST-C-F/K9 (1861,WLAN,8-usrSRST/CME,CUE,4FXS,4FXO,8xPOE,SP Svcs,HWICslot)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / N/A
- AC Power Supply
- OSPF / EIGRP / BGP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
ORM Rewards Earn $50 in Rewards + Free Expedited Delivery – Join Now!
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Questions & Answers
What is the Cisco ISR 1800 series router?
The Cisco ISR 1800 series is an integrated services router family designed for secure WAN connectivity, application performance optimization, and unified communications in SMB and enterprise branch deployments.
Which models are included in the ISR 1800 series?
The ISR 1800 series includes the Cisco 1811, 1841, 1861, 1881, and 1941 models, each offering varying throughput, port density, and feature licenses to fit different branch requirements.
What are the key features of the ISR 1800 router?
Key features include hardware-accelerated encryption, application-aware routing, modular interface slots, integrated switching, and support for Cisco IOS Software security and WAN optimization.
What is the maximum throughput of the Cisco ISR 1841?
The Cisco ISR 1841 delivers up to 100 Mbps of aggregate throughput and supports up to 25 Mbps of encrypted VPN performance with hardware acceleration.
How many WAN and LAN ports does the ISR 1841 support?
The ISR 1841 features two integrated GE WAN ports and two GE LAN ports, plus two modular network interface module (NIM) slots for additional ports.
Does the ISR 1800 series support VPN?
Yes, the ISR 1800 series supports site-to-site IPsec VPN, remote-access VPN via AnyConnect, and DMVPN with hardware encryption acceleration for high performance.
How do I configure a site-to-site VPN on the ISR 1800?
To configure a site-to-site VPN, define IKE phase 1 and phase 2 parameters, create an IPsec transform set and crypto map, then apply the crypto map to the WAN interface.
What types of interfaces does the ISR 1800 series offer?
The ISR 1800 series offers built-in GE copper/SFP WAN and LAN interfaces, two NIM slots, two Enhanced High-Speed WAN Interface Card (EHWIC) slots, and optional voice/WAN modules.
What are the memory and storage specifications for ISR 1800?
ISR 1800 routers ship with 256 MB to 512 MB of DRAM, 128 MB of flash memory, and support up to 2 GB DRAM and 1 GB flash for firmware and feature expansion.
Is the ISR 1800 series suitable for small business networks?
Yes, the ISR 1800 series delivers secure, reliable WAN connectivity, integrated services, and application performance for small to midsize branch offices.
How do I update the IOS software on the ISR 1800?
You can update the IOS by uploading the new .bin image via TFTP, FTP, or USB and then using the \
What security features are available on the ISR 1800?
Security features include zone-based firewall, intrusion prevention, secure boot, control-plane policing, URL filtering, and integrated threat defense with Cisco IOS Software.
How can I troubleshoot connectivity issues on the ISR 1800?
Use diagnostic commands such as ping, traceroute, show interfaces, and debug crypto to identify interface errors, routing problems, or VPN tunnel failures.
What are the power requirements for the ISR 1800 series?
ISR 1800 routers operate on 100–240 VAC at 50–60 Hz, consuming up to 30 W; optional DC power modules are available for deployments requiring −48 VDC input.
Does the ISR 1800 support wireless modules?
Yes, the ISR 1800 series supports Cisco 802.11a/b/g/n wireless LAN controller modules to provide integrated wireless LAN services at the branch.
What is the warranty and support policy for ISR 1800?
Cisco offers a limited lifetime warranty on the ISR 1800 hardware and 90-day software bug fixes, with optional SMARTnet service for 24×7 support, software updates, and advance hardware replacement.