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Root cause analysis / Investigation

api.mistral.ai

Reference RCA-68E6C20CC3748159

Mistral API endpoint

Measurement point: Stealth NYC, 32 Avenue of the Americas.

Published investigation. Updates run automatically.

01 / Network path

Network path.

Endpoint measurements / ICMP IPv4

Latency over time.

Successful endpoint RTT recordings from up to one hour before and after the event. Points are sampled from the retained history.

Enter time range

Times use the selected timezone; choices include recorded samples and intervals across the available chart.

Use the recordings table below to view latency values.
Successful RTT recording Event interval

09 Nov 2026 14:10 – 09 Nov 2026 20:49 UTC. Hover or tap to inspect; drag across the chart to zoom. On touchscreens, first choose Select time range. Escape or Reset zoom restores the full range. Missing recordings are gaps; this is not an application availability or packet-loss chart.

Select a recording to explore nearby path observations.

View recorded values
Successful ICMP IPv4 RTT recordings; displayed points are a sample of the retained records.
Recorded at (UTC)RTT
1.214 ms
1.313 ms
1.341 ms
1.336 ms
1.193 ms
1.422 ms
1.468 ms
1.332 ms
1.235 ms
1.317 ms
1.368 ms
1.313 ms
1.374 ms
1.326 ms
1.339 ms
1.392 ms
1.214 ms
1.335 ms
1.359 ms
1.191 ms
1.345 ms
1.192 ms
1.226 ms
1.187 ms
1.215 ms
1.204 ms
1.486 ms
1.233 ms
1.308 ms
1.355 ms
1.347 ms
1.221 ms
4.284 ms
1.259 ms
1.232 ms
1.235 ms
1.341 ms
1.347 ms
1.305 ms
1.210 ms
1.193 ms
1.230 ms
1.330 ms
1.352 ms
16.267 ms
1.176 ms
1.207 ms
1.192 ms
1.307 ms
1.315 ms
1.218 ms
5.825 ms
1.340 ms
1.313 ms
1.357 ms
1.209 ms
1.345 ms
1.329 ms
1.370 ms
1.317 ms
1.348 ms
1.191 ms
1.430 ms
1.206 ms
1.231 ms
1.344 ms
1.367 ms
1.218 ms
1.204 ms
1.395 ms
1.312 ms
1.218 ms
1.346 ms
1.342 ms
1.373 ms
1.218 ms
1.328 ms
1.626 ms
1.382 ms
1.538 ms
1.306 ms
1.391 ms
1.196 ms
1.383 ms
1.333 ms
1.350 ms
1.240 ms
1.519 ms
1.349 ms
1.313 ms
1.337 ms
1.413 ms
1.385 ms
1.375 ms
1.220 ms
1.194 ms
1.244 ms
1.236 ms
1.234 ms
1.211 ms
1.216 ms
1.317 ms
3.116 ms
1.372 ms
1.267 ms
1.210 ms
1.206 ms
1.377 ms
1.398 ms
1.314 ms
1.375 ms
1.289 ms
1.362 ms
1.406 ms
1.313 ms
1.436 ms
1.354 ms
1.450 ms
1.369 ms
1.372 ms
5.100 ms
1.376 ms
1.345 ms
1.192 ms
1.339 ms
1.496 ms
1.379 ms
1.363 ms
1.330 ms
1.309 ms
2.574 ms
15.808 ms
1.434 ms
1.345 ms
1.460 ms
1.430 ms
2.547 ms
6.103 ms
16.423 ms
1.323 ms
1.223 ms
12.543 ms
1.356 ms
1.405 ms
13.597 ms
1.368 ms
5.339 ms
1.215 ms
16.925 ms
18.728 ms
1.380 ms
1.281 ms
6.097 ms
1.404 ms
1.201 ms
12.882 ms
14.567 ms
1.345 ms
18.746 ms
1.265 ms
10.702 ms
1.323 ms
1.416 ms
1.298 ms
4.463 ms
18.569 ms
1.355 ms
1.353 ms
1.386 ms
11.787 ms
1.350 ms
1.323 ms
1.366 ms
1.433 ms
5.438 ms
1.335 ms
16.150 ms
1.340 ms
1.380 ms
1.472 ms
1.415 ms
1.406 ms
1.399 ms
1.349 ms
1.271 ms
1.392 ms
1.270 ms
10.505 ms
4.662 ms
8.812 ms
1.370 ms
1.240 ms
1.428 ms
1.374 ms
1.377 ms
1.346 ms
1.388 ms
16.826 ms
1.326 ms
1.362 ms
1.374 ms
1.317 ms
1.318 ms
1.278 ms
1.428 ms
1.259 ms
1.386 ms
1.359 ms
1.376 ms
1.262 ms
1.428 ms
1.381 ms
1.419 ms
1.338 ms
10.412 ms
1.388 ms
1.214 ms
1.353 ms
8.247 ms
16.891 ms
1.382 ms
16.098 ms
1.238 ms
1.312 ms
1.301 ms
1.269 ms
5.880 ms
1.355 ms
1.190 ms
1.399 ms
1.229 ms
17.268 ms
1.384 ms
1.380 ms
1.344 ms
1.205 ms
1.219 ms
1.366 ms
1.196 ms
1.405 ms
1.214 ms
1.314 ms
1.368 ms
1.409 ms
1.198 ms
1.269 ms
1.368 ms
1.360 ms
1.208 ms
3.111 ms
1.348 ms
1.349 ms
1.178 ms
1.257 ms
1.302 ms
1.341 ms
1.211 ms
1.210 ms
1.213 ms
1.306 ms
1.354 ms
1.409 ms
1.210 ms
1.334 ms
1.321 ms
13.332 ms
1.400 ms
1.255 ms
1.305 ms
1.318 ms
1.395 ms
1.211 ms
1.386 ms
1.331 ms
1.201 ms
1.382 ms
1.245 ms
18.301 ms
1.193 ms
1.437 ms
1.361 ms
1.338 ms
1.260 ms
1.240 ms
1.420 ms
1.302 ms
3.682 ms
5.314 ms
1.336 ms
1.348 ms
1.232 ms
1.260 ms
1.316 ms
1.309 ms
1.263 ms
1.319 ms
1.368 ms
1.330 ms
1.337 ms
1.367 ms
1.321 ms
1.392 ms
1.250 ms
1.219 ms
1.315 ms
1.224 ms
1.358 ms
1.402 ms
1.343 ms
7.237 ms
1.320 ms
1.448 ms
1.263 ms
1.354 ms
1.296 ms
1.556 ms
1.165 ms
14.596 ms
1.242 ms
1.417 ms
1.315 ms
1.519 ms
1.340 ms
1.368 ms
1.349 ms
2.704 ms
1.344 ms
1.310 ms
1.357 ms
18.432 ms
1.627 ms
1.261 ms
1.259 ms
1.310 ms
1.408 ms
1.258 ms
1.354 ms
1.218 ms
1.308 ms
1.372 ms
1.197 ms
1.398 ms
1.216 ms
1.185 ms
3.149 ms
1.261 ms
1.379 ms
18.218 ms
1.187 ms
1.367 ms
1.321 ms
1.405 ms
1.380 ms
1.538 ms
1.345 ms
1.315 ms
1.296 ms
1.182 ms
Network path / recorded observations

Network path observations.

25 observations

Choose a measurement type to see the closest of the available sampled observations to the selected chart point. Each probe is separate and may follow a different path.

Before

ICMP traceroute · Recorded address 1

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.138 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.191 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop22.169 msReply RTT ASN unavailable
Before

TCP traceroute / 443 · Recorded address 2

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.247 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.213 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop19.483 msReply RTT ASN unavailable
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop1.681 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Probe hopNo replyNo comparable RTT ASN unavailable
  7. TTL 7 Destination1.549 msReply RTT AS13335 · Cloudflare
Before

ICMP traceroute · Destination 1

Comparison window · median of 17 traces


to UTC

  1. TTL 1 Stealth associated hop0.129 msMedian reply RTT17/17 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.184 msMedian reply RTT17/17 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop1.628 msMedian reply RTT9/17 replies · 52.9%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
Before

TCP/443 traceroute · Destination 2

Comparison window · median of 15 traces


to UTC

  1. TTL 1 Stealth associated hop0.165 msMedian reply RTT15/15 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.225 msMedian reply RTT15/15 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop3.464 msMedian reply RTT7/15 replies · 46.7%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Destination reply1.389 msMedian reply RTT9/15 replies · 60.0%ASN unavailable
  7. TTL 7 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
Before

ICMP traceroute · Destination 3

Comparison window · median of 13 traces


to UTC

  1. TTL 1 Stealth associated hop0.132 msMedian reply RTT13/13 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.186 msMedian reply RTT13/13 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop1.559 msMedian reply RTT9/13 replies · 69.2%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
Before

TCP/443 traceroute · Destination 4

Comparison window · median of 15 traces


to UTC

  1. TTL 1 Stealth associated hop0.181 msMedian reply RTT15/15 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.197 msMedian reply RTT15/15 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop1.628 msMedian reply RTT10/15 replies · 66.7%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Destination reply1.447 msMedian reply RTT12/15 replies · 80.0%ASN unavailable
  7. TTL 7 Destination reply1.608 msMedian reply RTT3/15 replies · 20.0%ASN unavailable
Before

ICMP traceroute · Recorded address 1

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.124 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.179 msReply RTT AS8002 · Stealth
Before

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.181 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.262 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hopNo replyNo comparable RTT ASN unavailable
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop2.160 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Probe hopNo replyNo comparable RTT ASN unavailable
  7. TTL 7 Destination1.944 msReply RTT AS13335 · Cloudflare
Before

TCP traceroute / 443 · Recorded address 2

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.170 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.265 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hopNo replyNo comparable RTT ASN unavailable
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop1.399 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Destination18.124 msReply RTT AS13335 · Cloudflare
During

ICMP traceroute · Recorded address 2

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.132 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.182 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop1.257 msReply RTT AS13335 · Cloudflare
During

TCP traceroute / 443 · Recorded address 2

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.194 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.258 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop0.943 msReply RTT AS13335 · Cloudflare
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop1.318 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Destination1.504 msReply RTT AS13335 · Cloudflare
During

ICMP traceroute · Recorded address 1

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.132 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.184 msReply RTT AS8002 · Stealth
During

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.213 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.207 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hopNo replyNo comparable RTT ASN unavailable
  4. TTL 4 Probe hop1.689 msReply RTT AS13335 · Cloudflare
  5. TTL 5 Probe hop1.733 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Destination1.418 msReply RTT AS13335 · Cloudflare
During

ICMP traceroute · Destination 1

Comparison window · median of 16 traces


to UTC

  1. TTL 1 Stealth associated hop0.128 msMedian reply RTT16/16 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.189 msMedian reply RTT16/16 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop13.230 msMedian reply RTT7/16 replies · 43.8%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
During

TCP/443 traceroute · Destination 2

Comparison window · median of 14 traces


to UTC

  1. TTL 1 Stealth associated hop0.196 msMedian reply RTT14/14 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.220 msMedian reply RTT14/14 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop1.223 msMedian reply RTT6/14 replies · 42.9%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Destination reply1.406 msMedian reply RTT12/14 replies · 85.7%ASN unavailable
  7. TTL 7 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
During

ICMP traceroute · Destination 3

Comparison window · median of 14 traces


to UTC

  1. TTL 1 Stealth associated hop0.125 msMedian reply RTT14/14 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.183 msMedian reply RTT14/14 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop6.310 msMedian reply RTT8/14 replies · 57.1%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
During

TCP/443 traceroute · Destination 4

Comparison window · median of 16 traces


to UTC

  1. TTL 1 Stealth associated hop0.168 msMedian reply RTT16/16 replies · 100.0%ASN unavailable
  2. TTL 2 Stealth associated hop0.191 msMedian reply RTT16/16 replies · 100.0%ASN unavailable
  3. TTL 3 First responding external hop11.317 msMedian reply RTT10/16 replies · 62.5%ASN unavailable
  4. TTL 4 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  5. TTL 5 Unidentified or changing hopUnavailableMedian reply RTTReply coverage unavailableASN unavailable
  6. TTL 6 Destination reply1.355 msMedian reply RTT8/16 replies · 50.0%ASN unavailable
  7. TTL 7 Destination reply1.969 msMedian reply RTT8/16 replies · 50.0%ASN unavailable
During

ICMP traceroute · Recorded address 2

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.129 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.715 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop1.675 msReply RTT AS13335 · Cloudflare
During

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.181 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.177 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop0.632 msReply RTT AS13335 · Cloudflare
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop2.449 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Probe hopNo replyNo comparable RTT ASN unavailable
  7. TTL 7 Destination1.897 msReply RTT AS13335 · Cloudflare
After

ICMP traceroute · Recorded address 2

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.168 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.391 msReply RTT AS8002 · Stealth
After

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.143 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.183 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop1.509 msReply RTT AS13335 · Cloudflare
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop4.102 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Destination8.703 msReply RTT AS13335 · Cloudflare
After

ICMP traceroute · Recorded address 2

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.123 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.180 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop4.986 msReply RTT AS13335 · Cloudflare
After

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.142 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.189 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hopNo replyNo comparable RTT ASN unavailable
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop1.672 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Probe hopNo replyNo comparable RTT ASN unavailable
  7. TTL 7 Destination2.096 msReply RTT AS13335 · Cloudflare
After

ICMP traceroute · Recorded address 2

Recorded trace · destination not reached by this trace


to UTC

  1. TTL 1 Probe hop0.124 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.242 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop1.853 msReply RTT AS13335 · Cloudflare
After

TCP traceroute / 443 · Recorded address 1

Recorded trace · destination replied


to UTC

  1. TTL 1 Probe hop0.188 msReply RTT AS8002 · Stealth
  2. TTL 2 Probe hop0.187 msReply RTT AS8002 · Stealth
  3. TTL 3 Probe hop1.638 msReply RTT AS13335 · Cloudflare
  4. TTL 4 Probe hopNo replyNo comparable RTT ASN unavailable
  5. TTL 5 Probe hop7.146 msReply RTT AS13335 · Cloudflare
  6. TTL 6 Destination1.741 msReply RTT AS13335 · Cloudflare

RTT is the round trip to each responding hop, not the delay of the preceding link. TTL order may omit routers and does not prove direct links. A missing reply is not proof of packet loss. ASN labels are dated address associations; they do not establish the forwarding path or the operator at the event time. Up to three recorded traces per method and period are selected across the archive. Where no individual trace is available, a comparison may summarize a window; MTR observations aggregate multiple probes. Address aliases are independent across measurement types.

Same method / same recorded address

Compare the traces.

Compare one selected trace from before the event with one during it. Values are individual replies, not a statistical comparison.

ICMP traceroute · Recorded address 1

Before: UTC · During: UTC

Same destination address and probe method. A matching TTL does not establish the same forwarding path.
TTLBefore RTTDuring RTTResponding address
10.124 msAS8002 · Stealth0.132 msAS8002 · StealthSame responder
20.179 msAS8002 · Stealth0.184 msAS8002 · StealthSame responder
TCP traceroute / 443 · Recorded address 1

Before: UTC · During: UTC

Same destination address and probe method. A matching TTL does not establish the same forwarding path.
TTLBefore RTTDuring RTTResponding address
10.181 msAS8002 · Stealth0.213 msAS8002 · StealthSame responder
20.262 msAS8002 · Stealth0.207 msAS8002 · StealthSame responder
3No replyNo replyNot established
4No reply1.689 msAS13335 · CloudflareNot established
52.160 msAS13335 · Cloudflare1.733 msAS13335 · CloudflareDifferent responders
6No reply1.418 msAS13335 · CloudflareNot established
71.944 msAS13335 · CloudflareNot recordedNot established
TCP traceroute / 443 · Recorded address 2

Before: UTC · During: UTC

Same destination address and probe method. A matching TTL does not establish the same forwarding path.
TTLBefore RTTDuring RTTResponding address
10.170 msAS8002 · Stealth0.194 msAS8002 · StealthSame responder
20.265 msAS8002 · Stealth0.258 msAS8002 · StealthSame responder
3No reply0.943 msAS13335 · CloudflareNot established
4No replyNo replyNot established
51.399 msAS13335 · Cloudflare1.318 msAS13335 · CloudflareDifferent responders
618.124 msAS13335 · Cloudflare1.504 msAS13335 · CloudflareSame responder

RTTs include the return path. Different responders, missing replies and independent probe flows limit what a change can localize. MTR snapshots remain separate in the replay.

Event timeline.

Possible SLA event. Times shown are UTC.

Event opened
UTC
Last event observation
UTC
Recovery observed
UTC

Recorded recovery describes this event, not current reachability.

02 / Assessment

Assessment.

Investigation stateRecovered
Path assessment

Findings differ by destination.

Findings differ between destination comparisons. The evidence does not point to one location for the whole event.

What we observed

  • A sustained increase in measured round trip time was observed.
  • Stored traces were compared using matching source and destination addresses.

Recording counts describe collected measurements, not application availability or packet loss. Exact packet paths and the return path remain unverified.

Measurements at a glance.

Baseline RTT1.308 msUsual round trip before the event
Last recorded event RTT1.405 msLast successful event recording
Event p95 RTT17.436 ms95th percentile of successful recordings
Change from baseline+0.096 msLast event RTT compared with the baseline
Successful / expected recordings536 / 560Recorded endpoint samples during the event

RTT is round trip time; p95 describes the upper range of successful recordings. Endpoint measurements differ from individual trace replies and are not an uptime percentage.

Record sources and timestamps
Analysis updated
UTC
Public snapshot published
UTC
Public observation window
– UTC

Event and source timestamps are UTC. The latency chart uses its selected timezone. Page refresh times are separate from measurement timestamps.

03 / Method and limits

Method and limits.

How to interpret the sampled path and its limits

Corroborating the path.

Comparisons use matching destinations before and during the event. ICMP traces use echo probes. TCP/443 traces send SYN probes to port 443 only; they do not complete a TCP handshake or perform a TLS or HTTP exchange.

The Stealth gNMI interface verifies the active route-table choice and maps its primary next hop to the Stealth logical interface, configured attachment and, where applicable, the known LAG member set at each snapshot. Stable Stealth replies, together with mapped interface evidence showing no corresponding errors or sustained capacity pressure, reduce the likelihood of a Stealth forwarding issue. An 80% load warning warrants investigation; it does not prove congestion. Lower interval averages can conceal bursts or queue pressure. Optical readings assess the physical link, not congestion.

What remains unseen.

Probe reply handling can differ from packet forwarding. A slow intermediate reply that disappears at later hops does not locate a forwarding problem. A destination that does not respond to a trace is not thereby shown to be unavailable.

Stealth does not use ECMP in this monitored scope. The route snapshot does not identify which physical LAG member carried a particular independent probe, attest line-card forwarding at that packet instant, prove the exact application packet flow or observe the return path. RTT includes the return path, which may differ. No remote reverse traceroute is available. Tunnels and silent routers may hide parts of the path. Address registration alone does not establish the forwarding operator or responsibility.

References: ICMP reply handling / RFC 1812 · Round trip measurements / RFC 2681 · Full methodology