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Cisco Part Number: C8161-G2 is a Cisco 8100 Secure Router with 10x1GE with PoE+, and 1xPIM

Cisco 8100 Series Secure Routers

The Cisco 8100 Series Secure Routers deliver enterprise-grade security and routing in a compact, energy-efficient 1RU platform designed for small branches and noise-sensitive sites. Built around a Cisco-customized secure networking SoC, the series combines hardware-accelerated cryptography, deep packet inspection, and integrated next-generation firewall (NGFW) capabilities to simplify branch networking while maintaining strong threat protection and future-ready encryption.

Key benefits

All-in-one secure platform: routing, SD-WAN, and NGFW consolidated for simpler deployment and management.
Hardware-accelerated performance: fast cryptography and deep packet inspection for high throughput with low latency.
Quiet, fanless option for noise-sensitive locations and reduced maintenance.
Post-quantum cryptography (PQC) readiness and SASE-ready architecture to future-proof campus and branch security.

Who it’s for

Small branch locations needing enterprise security without heavy infrastructure.
Retail point-of-sale and remote workers requiring secure, reliable connectivity.
Mobile or temporary sites that benefit from quick, secure deployments (with optional LTE/5G PIMs).

Models & technical highlights

Four 1RU SKUs: C8130-G2, C8140-G2, C8151-G2, C8161-G2 — varying port densities, PoE options, and PIM support (C8151-G2 and C8161-G2 support SD-WAN and pluggable cellular modules).
Performance examples: up to ~5.6 Gbps forwarding and 1.5 Gbps IPsec; SD-WAN throughput up to ~900 Mbps on supported models.
Management: supports IOS XE releases and Catalyst SD-WAN management where applicable, plus programmability and infrastructure-as-code workflows.

Why choose it

Balances compact form factor with enterprise security and performance.
Designed to reduce operational risk and scale as branch needs grow.
Offers flexible connectivity (Ethernet, PoE, optional LTE/5G) and strong, hardware-assisted security to protect branch assets now and into the future.

Technical comparison:

	C8130-G2	C8140-G2	C8151-G2	C8161-G2
Interfaces and Slots
WAN Ports	1x 1GE RJ-45, 1x 1GE RJ-45/SFP Combo	2x 1GE RJ-45/SFP combo	2x 1GE RJ-45/SFP combo	2x 1GE RJ-45/SFP combo
Flex Ports	2 x GE RJ-45	2 x GE RJ-45	2 x GE RJ-45	2 x GE RJ-45
LAN Ports	2x 1GE RJ-45	6x 1GE RJ-45	6x 1GE RJ-45	6 x GE RJ-45 (4PoE/2PoE+) PoE output max power 80W
Cellular Slot	-	-	Optional Pluggable Module – CAT 7 or 5G
Management Port	1 x RJ-45 console
Memory and storage
DRAM	4GB RAM	4GB RAM	8GB RAM	8GB RAM
Flash	16 GB
Storage	1 x USB Type C 3.0 storage
External Power Supply	30W/66W	66W	66W	150W
Typical Power	16W	20W	23W	25W

Performance:

Throughput	C8130-G2	C8140-G2	C8151-G2	C8161-G2
Forwarding (512B)	1.9 Gbps	5.6 Gbps	5.6 Gbps	5.6 Gbps
IPsec (512B)	1.5 Gbps	1.5 Gbps	1.5 Gbps	1.5 Gbps
SD-WAN* (512B)	-	-	900 Mbps	900 Mbps
Threat Protection** (EMIX)	-	-	1 Gbps	1 Gbps

_{^{* SD-WAN feature combination: IPsec + QoS + Deep Packet Inspection + Flexible NetFlow}}
_{^{** Threat Protection feature combination: 100% DIA-NAT + ZBFW + IPS + URLF + AMP}}

Brand	Cisco
Product type	Router
Product Family	8000 Series Secure Router
System Throughput	5.6 Gbps
IPsec throughput	1.5 Gbps
RAM	8 GB
Flash	16 GB
Interfaces	2 x GE RJ-45 Flex, 2x 1GE RJ-45/SFP combo WAN, 6 x GE RJ-45 (4PoE/2PoE+) LAN
Expansion Slots	Optional Pluggable Module – CAT 7 or 5G
Power Supply	AC
Width	12.5 in
Depth	8.7 in
Height	1.57 in
Weight	3.5 lb
MTBF	> 100,000 hours
Max Operating Temperature	40 °C
Min Operating Temperature	0 °C
Warranty	Limited 2-Year Return To Factory Hardware Warranty

Cisco C8161-G2 - Secure Router with 10x1GE, PoE+, and 1xPIM

Cisco 8100 Series Secure Routers

Key benefits

Who it’s for

Models & technical highlights

Why choose it

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