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Network access control · November 2026 Edition

NordLayer NAC vs Cisco Identity Services Engine

Zero of fourteen models named NordLayer NAC first on the direct prompt; one named Cisco Identity Services Engine. NordLayer NAC was named by ten of the fourteen models and Cisco Identity Services Engine by fourteen and NordLayer NAC carries 18 labels and Cisco Identity Services Engine 58, so the shares are not directly comparable.

NordLayer NAC

accepted challenger

Named in one category this edition.

Cisco Identity Services Engine

criticized challenger

Named in two categories this edition.

First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%52%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#8A position in a field of 10; printed, not drawn.
Labels1858A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, NordLayer NAC reading right to left. Rank and label count are printed, not drawn.Portnox Cloud was named alongside these two in eleven of the fourteen direct answers. Portnox Cloud vs NordLayer NAC · Portnox Cloud vs Cisco Identity Services Engine · PacketFence vs NordLayer NAC

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the network access control page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
NordLayer NACFirst choices, of fourteen modelsCisco Identity Services Engine
Direct017 against Cisco Identity Services Engine
Paraphrase006 against Cisco Identity Services Engine
Comparative010
Budget-constrained105 against Cisco Identity Services Engine
Scale-constrained104 against Cisco Identity Services Engine
Negative008 against Cisco Identity Services Engine
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, NordLayer NAC and Cisco Identity Services Engine were named in the same answer twenty-two times, of the 52 answers naming NordLayer NAC and the 173 naming Cisco Identity Services Engine. In those answers Cisco Identity Services Engine took the first choice six times and NordLayer NAC one.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where NordLayer NAC and Cisco Identity Services Engine stood in it.
ModelDirectNNParaphraseNNComparativeNNBudget-constrainedNNScale-constrainedNNNegativeNN
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20NNNN
Mistral SmallNNNNNN
DeepSeek V4 Flash
Llama 4 MaverickNNNN
Qwen 3.7 FlashNN
Kimi K2NN
GLM 4.7 FlashXNNNN
MiniMax M2.5NN
GPT-6 Luna
Muse Glimmer 30B
NN NordLayer NAC Cisco Identity Services EngineNN first choiceNN named as an alternativeNN argued againstblank: not namedEach cell is one answer, NordLayer NAC on the left and Cisco Identity Services Engine on the right.

The direct prompt

The plain question, one answer per model, grouped by where NordLayer NAC and Cisco Identity Services Engine stood in it.

Cisco Identity Services Engine first, NordLayer NAC not the choice

1 of 14 modelsNordLayer NAC was named in the answer but not as the choice, or not at all.
GPT-5.4 miniCisco Identity Services Engine alternatives: Aruba ClearPass Policy Manager, Cisco Access Manager, Forescout, InfoExpress EasyNAC, Portnox Cloud

Neither was the first choice, one was named

7 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Perplexity SonarPortnox Cloud alternatives: Aruba ClearPass, Cisco Identity Services Engine
Mistral SmallOPSWAT MetaAccess, Portnox Cloud alternatives: NordLayer NAC
Llama 4 MaverickPortnox Cloud alternatives: NordLayer NAC, OPSWAT MetaAccess, PacketFence
GLM 4.7 FlashXPortnox Cloud alternatives: Aruba ClearPass, FortiNAC, NordLayer NAC
MiniMax M2.5Portnox Cloud alternatives: NordLayer NAC, OPSWAT MetaAccess
GPT-6 LunaPortnox Cloud alternatives: Cisco Identity Services Engine, FortiNAC, HPE Aruba ClearPass
Muse Glimmer 30BPortnox Cloud alternatives: Cisco Identity Services Engine, Fortinet FortiNAC, HPE Aruba ClearPass, OPSWAT MetaAccess, macmon NAC

Neither was named

6 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Fortinet FortiNAC alternatives: Microsoft Entra, Palo Alto Networks Prisma Access
Gemini 3.5 FlashPortnox Cloud alternatives: Cloudflare Access, Fortinet FortiNAC, HPE Aruba ClearPass, SecureW2 JoinNow, Twingate
Grok 4.20Portnox Cloud alternatives: Forescout, HPE Aruba ClearPass
DeepSeek V4 FlashPortnox Cloud alternatives: Aruba ClearPass, Fortinet FortiNAC
Qwen 3.7 FlashPortnox CLEAR alternatives: Fortinet FortiNAC, HPE Aruba ClearPass
Kimi K2Portnox CLEAR alternatives: Aruba ClearPass

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
NordLayer NAC leads by three points.
NordLayer NAC3%#3 of 11
Cisco Identity Services Engine0%#11 of 11
The full small business standing →
Mid-marketThe figures above
NordLayer NAC leads by two points.
NordLayer NAC4%#4 of 10
Cisco Identity Services Engine2%#8 of 10
The full mid-market standing →
Enterprise
The order flips: Cisco Identity Services Engine leads at enterprise.
Cisco Identity Services Engine39%#1 of 7
NordLayer NAC0%#– of 7
The full enterprise standing →

What the models said about NordLayer NAC

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“Cloud-Native SaaS | Portnox, NordLayer, Mist (Juniper) | "Set it and forget it." Lower OpEx, easier to manage” Qwen 3.7 Flash · scale prompt · first choice
“For the most budget-conscious organizations, NordLayer and PacketFence are the best choices.” Mistral Small · budget prompt · first choice
“Combines NAC-like access control with VPN and threat protection in a user-friendly cloud platform” Grok 4.20 · budget prompt · alternative

What the models said about Cisco Identity Services Engine

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Avoid solutions like Cisco ISE unless you have dedicated security engineering resources to maintain policy rule sets.” Gemini 3.5 Flash · direct prompt · hard negative
“Many AI models and experts recommend avoiding it unless you are already deeply invested in Cisco's ecosystem” Mistral Small · negative prompt · hard negative
“Unpatched instances of ISE or ClearPass with known 2026 authentication / RCE CVEs” Muse Glimmer 30B · negative prompt · hard negative
“the most searched / mindshare leader... It remains the enterprise standard and is the default for large enterprises already running Cisco infrastructure” Muse Glimmer 30B · comparative prompt · first choice
“The market leader and industry standard for large enterprises. It offers the most granular control and features in the world.” Qwen 3.7 Flash · comparative prompt · first choice
“Choose Cisco ISE if you are a Cisco shop needing the deepest policy control and TrustSec segmentation.” Kimi K2 · comparative prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.