Cisco ISR 1000 Upgrade Guide
Maximize the performance and lifespan of your ISR 1000 (ISR-1000). Every upgrade option below is verified compatible.
1Upgrade Categories
13Options Available
End of Sale: The ISR 1000 has reached end of sale.
Upgrading components extends its useful life and avoids costly replacement.
Verified Specifications
| Processor Options | Encrypted throughput 350-825 Mbps across family |
| Power Supply Options | Universal 100-240 VAC; 30-150W by model/PoE |
| Networking Options | 2-8x GE LAN; 1-2x GE/SFP WAN; DSL/LTE/5G module options |
| Specification Source | Cisco official documentation (verified 2026-07-02) |
Frequently Asked Questions
Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.
Cisco ISR 1000 Series C1111-4P
Cisco Isr 1111 4-PORT Dual Ge WAN Router
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Cisco ISR 1000 Series C1111-4PLTEEA
Cisco Isr 1111 4-PORT Dual Ge WAN Router with Lte Advanced (emea/Na)
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Cisco ISR 1000 Series C1111-4PLTELA
Cisco Isr 1111 4-PORT Dual Ge WAN Router with Lte Advanced (la)
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Cisco ISR 1000 Series C1111-8P
Cisco Isr 1111 8-PORT Dual Ge WAN Router
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Cisco ISR 1000 Series C1111-8PWE
Cisco Isr 1111 8-PORT Dual Ge WAN Router with 802.11AC WiFi (e Domain)
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Cisco ISR 1000 Series C1111-8PLTEEA
Cisco Isr 1111 8-PORT Dual Ge WAN Router with Lte Advanced (emea/Na)
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More ISR 1000 Resources
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