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Head-to-head · Network Access Control Software

Arista Guardian for Network Identity (AGNI) vs Belden NAC

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Arista Guardian for Network Identity (AGNI) #4 in Network Access Control Software 9.0/10 Pricing on request ✓ 3 of 4 features Visit Arista
Belden NAC #5 in Network Access Control Software 8.7/10 Pricing on request ✓ 4 of 4 features Visit Belden

Arista Guardian for Network Identity (AGNI) leads on 0 checks, Belden NAC on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreArista Guardian for Network Identity (AGNI) · 9.0/10
  • Most featuresBelden NAC · 4 of 4

Arista Guardian for Network Identity (AGNI) scores higher on our rubric for network access control software: 9.0 against 8.7 out of 10; our editors rank them #4 and #5.

Arista Guardian for Network Identity (AGNI) is the better fit for hybrid networks focused on identity and device posture. Belden NAC is the better fit for teams needing event-driven, distributed NAC.

  • Arista Guardian for Network Identity (AGNI) fits best

    Hybrid networks focused on identity and device posture

  • Belden NAC fits best

    Teams needing event-driven, distributed NAC

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Arista Guardian for Network Identity (AGNI) 9.0/10 Visit ↗ Belden NAC 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #4 in Network Access Control Software #5 in Network Access Control Software
Best for Hybrid networks focused on identity and device posture Teams needing event-driven, distributed NAC
Pricing model Paid Paid
Starting price Pricing on request —
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Integrations 14 integrations 9 integrations
Features Arista Guardian for Network Identity (AGNI) 3/4 · Belden NAC 4/4
Wired access control ✓ ✓
Wireless access control ✓ ✓
VPN access control Not checked yet ✓ (best)
802.1X support ✓ ✓
Specs
Deployment model Hybrid Hybrid
Device limit Not checked yet Not checked yet
Our review
Pros
  • Covers wired, wireless, BYOD, IoT, guest, and certificate-based access
  • Combines profiling, posture assessment, behavioral monitoring, and segmentation
  • Connects with major identity, endpoint, SIEM, and network security tools
  • 802.1X, RADIUS, VLAN management, and endpoint security checks
  • Event-driven enforcement through APIs, scripts, SNMP, and syslog
  • Distributed, fallback, and high-availability server architecture
Cons
  • Pricing requires contact with sales
  • Ask AVA cloud troubleshooting is limited to the cloud deployment
  • Its broad feature set may exceed the needs of basic access-control teams
  • Pricing is quote-based through Belden or its resellers
  • There is no free plan or public self-service checkout
  • VPN authentication may require the SwitchViewer add-on
Our verdict

Arista Guardian for Network Identity (AGNI) is a network access control platform for enterprise wired and wireless infrastructure. It suits organizations that need identity-based policies across hybrid networks, including BYOD, IoT, guest…

Read the review →

Belden NAC is network access control software for IT and operational technology environments. It combines network visibility, endpoint discovery, topology visualization, authentication, VLAN-based segmentation, guest access, and…

Read the review →
  1. Arista Guardian for Network Identity (AGNI)Network Access Control Software 9.0Pricing on request
  2. Belden NACNetwork Access Control Software 8.7Pricing on request

Strengths and trade-offs

  • Arista Guardian for Network Identity (AGNI) — where it wins

    • Covers wired, wireless, BYOD, IoT, guest, and certificate-based access
    • Combines profiling, posture assessment, behavioral monitoring, and segmentation
    • Connects with major identity, endpoint, SIEM, and network security tools

    Where it doesn't

    • Pricing requires contact with sales
    • Ask AVA cloud troubleshooting is limited to the cloud deployment
    • Its broad feature set may exceed the needs of basic access-control teams
  • Belden NAC — where it wins

    • 802.1X, RADIUS, VLAN management, and endpoint security checks
    • Event-driven enforcement through APIs, scripts, SNMP, and syslog
    • Distributed, fallback, and high-availability server architecture

    Where it doesn't

    • Pricing is quote-based through Belden or its resellers
    • There is no free plan or public self-service checkout
    • VPN authentication may require the SwitchViewer add-on
  • Arista Guardian for Network Identity (AGNI)9.0/10 · Pricing on request

    A broad NAC platform for hybrid networks that connect identity, device posture, and segmentation.

    Visit AristaFull verdict →
  • Belden NAC8.7/10 · Pricing on request

    Distributed NAC with 802.1X, segmentation, guest access, and event-driven enforcement.

    Visit BeldenFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update