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CISCO2821 ✓ Verified by PartsTable
CISCO · NETWORK · ROUTER
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

CISCO 10/100/1000 Base-T Ethernet Modular Router. Key specifications include Memory: 512MB DRAM, 64MB flash, Processor: 300MHz, Fixed Ports: 2x 10/100 Ethernet, Form Factor: 2RU, Expansion Slots: 2 WIC, 1 NM, 2 AIM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-538-0875, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NETWORK→ ROUTER→ CISCO2821
NSN: 7025-01-538-0875
FSC: 7025
CAGE: 0GX96 — CISCO SYSTEMS INC (USA)
SPECIFICATIONS
Processor300MHz
Fixed Ports2x 10/100 Ethernet
Form Factor2RU
Expansion Slots2 WIC, 1 NM, 2 AIM
NSN7025-01-538-0875
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN CISCO2821 MFR CISCO CISCO 10/100/1000 Base-T Ethernet Modula
KEY FEATURES
•
UNPACKAGED UNIT WIDTH: 17.25 INCHES NOMINAL IN
•
PHASE: SINGLE
•
FREQUENCY IN HERTZ: 47.0 AND 63.0
•
POWER SOURCE: EXTERNAL
•
STORAGE TEMP RANGE: -4.0 TO 149.0 FAHRENHEIT DEGF
•
OUTPUT INTELLIGENCE TYPE: DIGITAL
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
TECHNICAL CHARACTERISTICS (FLIS)
UNPACKAGED UNIT WIDTH17.25 INCHES NOMINAL IN
PHASESINGLE
SPECIAL FEATURESACTION ID 45357182
PART NAME ASSIGNED BY CONTROLLING AGENCYINTERGRATED SERVICE ROUTER
FREQUENCY IN HERTZ47.0 AND 63.0
POWER SOURCEEXTERNAL
STORAGE TEMP RANGE-4.0 TO 149.0 FAHRENHEIT DEGF
OUTPUT INTELLIGENCE TYPEDIGITAL
CURRENT RATING IN AMPS2.0 AND 12.0
END ITEM IDENTIFICATIONEN ROUTE AUTOMATION DISPLAY SUBSYSTEM (EADS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
302R205-1Interchangeable
Same NIIN cross-reference
interchangeable
10336382Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CISCO2821?
CISCO2821 is a CISCO 10/100/1000 Base-T Ethernet Modular Router manufactured by CISCO. It is classified as a NETWORK (ROUTER).
What parts can replace CISCO2821?
There are 2 known substitutes for CISCO2821: 302R205-1, 10336382. Substitute compatibility should be verified for your specific system.
What is the NSN for CISCO2821?
CISCO2821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-538-0875. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026