Sharing lab topology for the CCIE SP a deep dive into the architecture that powers global service provider networks. 💡 📌 Key Technologies Covered: ✅ OSPFv2 / OSPFv3 ✅ IS-IS for scalable IGP design ✅ iBGP / eBGP with advanced policies ✅ MPLS LDP & RSVP TE ✅ Segment Routing (SR-MPLS / SRv6) ✅ MPLS L3VPN & Inter-AS Options (A, B, C) ✅ IPv6 integration & VPNv6 (6PE/6VPE) ✅ EVPN for modern L2/L3 services ✅ NG-MVPN & Mult…

Channel
CertBits
@certbits
On this record: Growth · Engagement · Posts · Polls · Cite this entry
374subscribers
+5 since we began measuring on 7 August 2026
Risers and fallers across the register · movement among entries of Under 1,000.
Register entry
| Telegram ID | -1001540976312 |
|---|---|
| Type | Channel |
| Username | @certbits |
| Created | Between 1 August 2021 and 28 February 2023— estimated from Telegram’s id allocation, not measured. How this range is calculated. |
| First recorded | 8 August 2026 |
| Last confirmed live | 22 August 2026 |
| Measurements held | 4 |
| Confirmed unchanged | 1 time, most recently 22 August 2026 |
| On Telegram | t.me/certbits |
Growth
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 22 Aug 2026, 11:28 | 374 | +4 |
| 15 Aug 2026, 02:38 | 370 | +1 |
| 8 Aug 2026, 06:20 | 369 | no change |
| 7 Aug 2026, 20:34 | 369 | first reading |
Engagement
20 posts held, back to 15 July 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 1 pageof Telegram’s post history, 20 posts per page.
- ERR · 30 days
- 29.0%
- avg views ÷ 374 subscribers
- Avg views / post
- 109
- 12 posts measured
- Reaction rate
- —
- this channel exposes no reaction counts
- Posts in window
- 12
- of 20 held
ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.
ER is defined industry-wide as (forwards + reactions + comments) ÷ views— note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate.
| Window | Rolling 30 days · latest post in window 7 August 2026 |
|---|---|
| Posts held | 20 (15 July 2026 – 7 August 2026) |
| Views total | 1,303 |
| Reactions total | — |
| Forwards / comments | not exposed by the public surface — not measured, not estimated |
| Readings taken | 8 Aug 2026, 06:20 UTC |
Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.
Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.
Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.
Recent posts
Preparing for the CCIE Service Provider lab? Get 10 hours of FREE CCIE SP Rack Access and experience a real exam-like environment before your lab attempt. Practice smarter. Build confidence. Perform better. 🚀 📩 Connect with me to claim your free access and learn more. 📞 WhatsApp: https://wa.me/919594863365 🌐 Website: https://certbits.com 📢 Telegram Group: https://t.me/certbitsgroup Whatsapp group: https://chat.whatsa…
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📚 Cisco Quiz A quick question to sharpen your networking skills. Which Cisco command displays a brief summary of all interfaces, including their IP addresses and status?
- Show running-config10%
- Show ip interface brief90%
- Show interfaces0%
- Show version0%
Shares as published. No per-option vote count is published by Telegram, so none is shown.
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Showing the 12 most recent of 20 posts we hold for @certbits. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.
Polls
The poll we hold for this entry, as Telegram rendered it when we read the post. A poll’s figures keep moving after that, so each one is dated.
📚 Cisco Quiz A quick question to sharpen your networking skills. Which Cisco command displays a brief summary of all interfaces, including their IP addresses and status?
- Show running-config10%
- Show ip interface brief90%
- Show interfaces0%
- Show version0%
Shares as published. No per-option vote count is published by Telegram, so none is shown.
Percentages only — there are no per-option vote counts here, because Telegram publishes none.The public post preview gives each option’s share and a single voter total, and nothing else. Multiplying one by the other would produce a per-option tally that looks measured and is not: the shares are rounded to whole numbers before we ever see them. We print what was published and leave the column that does not exist empty.
The shares need not add up to 100.Rounding alone puts many polls at 99 or 101. A poll that allows more than one answer per voter runs well past 100 by design, and several here do. The bars are drawn against a fixed 100% track at each option’s own percentage rather than normalised to the total, so a poll that exceeds it shows that it does instead of being quietly rescaled.
Read from the 20 most recent posts we hold, published 15 July 2026 to 7 August 2026. Telegram labels each poll by kind — an anonymous poll, a quiz, a closed set of final results — and that label is reproduced rather than paraphrased.
Cite this entry
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 22 August 2026 — this entry's latest reading, not the date you are reading this.
“CertBits” (@certbits), 374 subscribers as measured 22 August 2026. Telegram Register, tgregister.com/channel/certbits.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.