Cisco 7200 Series Router

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Taking a look at a Cisco 7206 from 1996. This is the original 7200 series chassis style before the VXR took over in 1998. We'll try to get this thing talking to another Cisco router over a T1 line!
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Music by Karl Casey @ White Bat Audio
00:00 Intro
00:36 Physical Overview
03:28 Pulling out the Port Adapters
06:50 Pulling the Input/Output Controller
09:00 Pulling the Network Processing Engine
12:30 FastEthernet Port Adapters
13:58 Fixing Some Bent Port Adapters
16:12 Token Ring Port Adapter
18:05 Powering up the 7206
19:45 Troubleshooting the Input/Output Controller
25:19 Successful IOS Boot
26:54 Troubleshooting Port Adapter Hardware Issues
31:13 Calculating Bandwidth Points
33:55 T1 HWIC for the 2821
35:28 Building a T1 Crossover Cable
39:04 Configuring T1 on the 7206
40:37 T1 Attempt on the 2821
42:20 Setting up T1 on a 2610
44:36 T1 Networking!
45:11 Future Plans and Outro

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Опубликовано:

25 июл 2024

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Комментарии : 450

@Nabeelco 5 месяцев назад

As a teenager, during an argument with my dad, to cut the tension, I cut him off and blurted out "Token Ring's dead, Dad. Get over it!". We both had a good laugh. 😂

@TradieTrev 5 месяцев назад

ROFL!!

@TheJonathanc82 5 месяцев назад

😂

@clabretro 5 месяцев назад

😂

@thomasbonse 5 месяцев назад

FDDI 🎤

@theserialport 5 месяцев назад

Straight for the jugular! FDDI Forever

@elremineh 5 месяцев назад

Looks like we are in for a treat, 46 mins of sweet old networking and routing!

@tankgrrl 5 месяцев назад

"We're just messin' around in the basement" 😄

@ayitsyaboi 5 месяцев назад

Ever since discovering this channel my network has been overhauled twice. Built an opnsense router, swapped over to proxmox, have a symmetrical gigabit fiber install coming to replace the coax 1000/100 and I'm running new CAT6 drops to every room. Glad I finally got the motivation again because it's been so worth it. I appreciate the inspiration. Now I need to find a good deal on a rack and then afterwards forget my pin numbers to my cards.

@clabretro 5 месяцев назад

haha that's awesome

@Xploder270 5 месяцев назад

Opnsense is so much fun

@julerobb1 5 месяцев назад

@@clabretroI don't have open sense but I'm like you, I'm constantly tweaking my network and looking at my Ethernet drops that run along the floor into my closet like.. I need to run these under the house but I don't have a rack and dont want to go to the damp cobweb filled cramped crawl space

@kaitlyn__L 5 месяцев назад

I only pay for the 150/150 package rather than the full 1000/1000 but full symmetrical internet has been wonderful. I would hate to go back

@RCShufty 5 месяцев назад

If I ever get hit by a bus my wife would have no idea how to fix the internet connection in my house when it breaks.

@JF_ARVA 5 месяцев назад

That FLASH logo on the Cisco card is badass.

@kbhasi 5 месяцев назад

It kinda reminds me of the Intel Flash logo. (Intel Flash chips were used to store the BIOS on some 90s PCs like mid 90s Toshiba laptops, if I recall correctly)

@kaitlyn__L 5 месяцев назад

@@kbhasiI just assumed it was the same logo. But I tried to look up the logos just now to compare, and the results are all modern Intel logos and logos for The Flash, not Intel Flash logos 😔 even with boolean, even on DDG

@kbhasi 5 месяцев назад

@@kaitlyn__L Yeah, I think it's obscure. I remember taking apart a Toshiba 440CDT and 480CDT to repair both and saw those Intel Flash chips, which I later assumed held the BIOS.

@kaitlyn__L 5 месяцев назад

@@kbhasi I feel like I’d have to go seeking out a history page or a video of someone taking apart an early MP3 plate for total confirmation lol. But I know the one you mean and definitely went “oh it’s that original logo” when I saw it. I don’t think anyone else would make it back then bc Intel invented it, and was licensing it to others which included the logo. So, yeah. That’s a big part of why we still say flash rather than generically “NAND storage” tbh. Intel was doing everything to push that name and logo back then. It’s basically a generic trademark now (not sure if legally), which I know companies aren’t fond of, but in my mind that’s the ultimate mark of success for a trademark.

@kbhasi 5 месяцев назад

@@kaitlyn__L I did take a photo many years ago of the chips but lost it as I only posted it to a private Facebook group. I may still have the photo buried deep in my NAS, though.

@slazer2au 5 месяцев назад

Up until 2020 I was working for an ISP in Australia where we used 7206 with G2 cards as our core and edge routers.

@videosuperhighway7655 5 месяцев назад

Still have 2 running in my shop.

@EtherealDragon 5 месяцев назад

Yikes, you guys must have had some kind of special support contract from Cisco on those, or just not cared. The EOL docs on those show last maintenance release in 2015 with last support date of late 2017. The enterprise I support right now has some old iron at various locations, and even with multiple tens of thousands of devices on support contracts they hold firm to those EOL dates.

@gorak9000 5 месяцев назад

What kind of outdated ISP was using this stuff as their "backbone" in 2020? Jeez, the ISP I use uses multiple 100gbps rings on DWDM as their backbone!

@mrfrenzy. 5 месяцев назад

@gorak9000 some places in the world still has lots of adsl with very long cables that are not economical to replace.

@gorak9000 5 месяцев назад

@@mrfrenzy. Fiber cable is much cheaper than copper, because there's no copper in them and copper is quite expensive these days. If it made economic sense to run copper to somewhere in the first place, it makes sense to replace it with fiber now and yank out the old copper and sell it. North America is really starting to see some major investment in FTTP finally - only like 15 to 20 years behind more progressive places that rolled out fiber decades ago. Even Australia will go FTTP eventually - even if somehow you're further behind than north america is

@robtongeman8480 5 месяцев назад

Dude DON'T EVER STOP making these !!! You're networking videos rock. Each one is bringing back so many memories from 20 years ago. Keep up the awesome work. 😊👍🔥🔥🔥🔥🔥

@clabretro 5 месяцев назад

thank you!

@InconsistentManner 5 месяцев назад

I was a student of computer science in 2009... there was several chapters in the networking class about token ring... Half as much as the number of chapters for ethernet networking. The 7 layers of the OSI model, There was a chapter dedicated to serial networking which as you are demonstrating is how these routers communicated with each other... I just found your channel recently, and I am touchingly blasted with nostalgia working as a Certified Networking Technician in the early 2010s.

@4rft5 5 месяцев назад

I love Cisco's constant use of just generic stock images of people on their products, makes you wonder what exactly they were going for with that

@kbhasi 5 месяцев назад

Them doing that reminded me of 2000s Nokia phone packaging for unlocked variants (and variants where the phones weren't repackaged into service provider packaging)

@clabretro 5 месяцев назад

yeah I hope you like me joking about it every time I see one, because I'm definitely not going to stop 😆

2 месяца назад

I wonder what the caption for those images was. "Business man stares into your soul" perhaps.

@jdbarney 5 месяцев назад

Ah - the dreaded points calculation on the 7200. I had forgotten about that, but I certainly remember doing it back in the day.

@treyscarborough1901 5 месяцев назад

Yeah we used to use them to terminate adsl subscribers and we would max them out by putting 2 ds3s cards on one side and one oc3 in the other. With that configuration we would then run into both the maximum number of subinterfaces and the maximum number of interfaces you could configure on a system. We could only save the config to flash and it had to be at night when there wasn't much traffic on them.

@jfbeam 5 месяцев назад

I didn't forget. That backplane is PCI and has a very finite bandwidth. The VXR is faster, but it still has bus bandwidth limits.

@livewire98801 5 месяцев назад

When you add gig-e fiber cards and realize you just turned your 7206 VXR into a 7202 VXR...

@jfbeam 5 месяцев назад

@@livewire98801 That's what the NPE-G1 and NSE-100 are for. 'tho by the gig-e era, they had better hardware. (7401 for starters)

@jaydubzonward 5 месяцев назад

retired a pair of these in 2020... really didn't think they'd been around since 1996, i remember them going in new!

@ryderrepairs 5 месяцев назад

you should try to find a cisco branded rack to hold all of your cisco related networking shenanigans

@clabretro 5 месяцев назад

oh yeah that'd be sweet

@wcavendish 4 месяца назад

That was a fun watch. I got my start in the ISP space and we used these 7206 routers with channelized DS3 cards hooked up to adtran muxes. This allowed us to run a whole mess of T1's out of each 7206. Later we had the fancy NPE's that had fiber interfaces on the NPE to not use up bandwidth points for the other PA cards. I may even have some configs from those days. I had lots of fun with T1 multilinks back then.

@IBM_Museum 5 месяцев назад

We ran three of them at the ISP I worked for about twenty years ago - I wish I could have held on to at least one of them when decommissioned a dozen years ago.

@olearycrew 5 месяцев назад

"That's probably more than you ever wanted to know about that" -> could really be the tagline for the whole channel TBH and I'm here for it.

@clabretro 5 месяцев назад

😂

@LB4FH 5 месяцев назад

Oldschool Cisco stuff on a Sunday morning has started to become a new favorite 😁 Never seen these old 7200's before

@herdware 5 месяцев назад

The 10mbit card has the AMD LANCE (Local Area Network Controller - Ethernet). Very common chip back in the day. Used by Sun, DEC, Commodore, Sony and others.

@myinterests5573 5 месяцев назад

The first real "IT" job I had was working at a company as a tech support person, we had a token ring network, with a Banyan Vines backbone - connecting all the different rings. We used either IBM PC's or Compac Lugable's as work stations.

@jeffbrl 5 месяцев назад

This video brought back memories. I joined SprintLink (one of the Tier 1 ISPs at the time) in 1998. Token ring was on its way out but we still had to keep it alive for some low speed edge routers. Most of the routers were 7500 and GSR. I think it wasn't until a few years later that we adopted 7200s for BGP route reflectors. Good times.

@bendono 5 месяцев назад

We must be close in age. When I was in grade school I remember friends talking about T1 as being the fastest thing to envy. Though I wasn't interested in networking until about a decade into my career. That 2821 is quite nostalgic. I previously had a used 2811 that I used when studying for the CCNA. Unfortunately I never had much direct experience with token ring, so I'd love to see it up and running.

@francistheodorecatte 5 месяцев назад

hahahah, when I saw the stuck card I _knew_ it was going to be jammed in there upside down. the networking lab I worked in when I was in high school had several 7200 series routers, and the flash cards getting jammed in upside down was a common occurrence.

@clabretro 5 месяцев назад

haha

@evanboonie 5 месяцев назад

I had a VXR with the NPE-G2 installed in it a while back. Interesting tidbit on the G2: it uses the fastest PowerPC 7448 CPU ever produced. The 7400 series of PowerPC CPUs is most widely known as the "G4" as used in Macintosh computers from the era.

@clabretro 5 месяцев назад

I'd love to try out a G1 or G2 someday. Interesting about it being the fastest 7448!

@pixitha 5 месяцев назад

The ebay prices for G2s are still quite high, wow! @@clabretro

@evilZardoz 5 месяцев назад

I believe some have procured some NPE-G2s to gut them for their PPC chips to upgrade their vintage Macs!

@thegeforce6625 2 месяца назад

@@evilZardozyou’d be correct, DOSDUDE1 and HrutkayMods are the ones doing that.

@DarrenMossAU 5 месяцев назад

Great old router and definitely legendary status in the industry. They were rock solid and many of them only stopped working once they were retired. Good video!

@Todd1561 5 месяцев назад

I used to work with these a lot when I worked in Cisco’s labs many years ago. Immediately felt old when I saw this was a ‘retro’ channel lol

@svm409699 4 месяца назад

This was like a walk down memory lane. I worked for Cisco for 22 years in several roles, and the 7200 + many others were managed by several different EMS and NMSs that I was the product manager for. Just about every building on Tasman had a lab filled with hundreds of routers, switches, etc... It was a grand time to be working at Cisco.

@clabretro 4 месяца назад

that's awesome! a video on that VXR coming soon as well

@drofwarcnwahs2108 5 месяцев назад

This was the last router I worked on as a network engineer. Went into management after that. Don't remember much about it. I spent most of my time with IGS, MGS and AGS+ routers.

@chadhartsees 5 месяцев назад

Had a CISCO CCNA class in high school (circa 2000). Had to configure using the command line and configure network connections on the hardware (IE - making a T1 line) - which was next generation compared to this. I've forgotten all of it. It's amazing that you can learn things and forget them.

@flp322 5 месяцев назад

Use it or lose it. To keep with the computing theme, your brain is like a cache - only keeps the things you access. The upshot - if you decide to learn something again after forgetting it, it’s easier the second time.

@gorak9000 5 месяцев назад

Heh, I also took a CCNA class in high school in probably 2000 - I remember thinking back then already that it was laughable connecting routers over back to back serial cables, with those big chonker v.35 connectors in the middle. Even the school had a cable modem at that point. I also remember the 'teacher' knew absolutely jack squat about the course, and was essentially just there as a babysitter while we went through the course material, the practical stuff, and did the online quizzes ourselves.

@dataterminal 5 месяцев назад

I was working at a college around '97 time, and we had fast ethernet for the workstations, most of the servers and several stacked SCSI towers for AXIS token ring CDROM servers.

@uiopuiop3472 5 месяцев назад

that high teck even now

@BryanSpringborn 5 месяцев назад

I got to travel all over the country setting up a network I designed. MCI and Norlite frame relay over native T1 and some ISDN PRI with BRI backup links.

@RachaelSA 5 месяцев назад

I spent the late 90s and early 2000's building ISP's with these kinds of things. I still have loads of old 2600s and 2800's and piles of 1600's.

@clabretro 5 месяцев назад

nice! cool machines.

@hottractor1999 5 месяцев назад

Those were awesome pieces of equipment. I've seen them with Ethernet, tokening, serial interfaces, t-1 cards. Ran IP, and IPX/SPX

@TheJonathanc82 5 месяцев назад

One of the companies I worked for was completely wired for token ring. It was interesting to see it all still in place well after it was no longer relevant.

@AaronPace93 5 месяцев назад

Very cool! This router is before my time when I started my networking career. Funny enough though, for the last year been trying to move a T1 off one of these in our data center…

@chaseohara4781 5 месяцев назад

CSU/DSU Serial clock signal is definitely a beginners trap. ❤😂

@gold_7944 5 месяцев назад

Love this video Learning CCNA on 2960 Switches and 1941 Routers It's pretty cool to see this stuff fro real instead of just in a packet tracer Lab

@idahobackpacker 5 месяцев назад

You're really bringing back some memories! When I was in the carrier space, we had both 7200s and VXRs. fed by DS3s. Swapped them out with 7600s.

@JayJay-88 5 месяцев назад

Oh dear, this brings me back. Great to see a retro networking video. 😁 We used the 7200s as PE routers for our MPLS customers. Also early on it was used as BRAS and the ADSL DSLAMs would connect over ATM OC-3. The E1/T1 cards were fractional so they could carry many customer connections. For example one customer would have a 64 kbps leased line and use one time slot, another customer had 256 kbps and used 4 time slots. All terminating on the same card. Later there was even a fractional OC-3 card which could do sub rate down to single DS0s (I remember it was a very expensive card!). There were also pure POSIP cards - Packet Over SONET/SDH which we used back when SONET/SDH was still a thing. Over all it's was a very versatile platform. The same cards were also usable on the 7500 IIRC. Hope you'll get your hands on the legendary GSR as well. 😉

@StanleySeow 5 месяцев назад

I was configuring these puppies in year 1999 ... brings back lots of memories... IOS commands...

@flp322 5 месяцев назад

Just binged all three of the Cisco episodes (I don’t watch your videos in order, just when I feel like it). Super interesting stuff. Looking forward to the next installment!

@chaseohara4781 5 месяцев назад

T1 had an almost mythical status far beyond when it was truly the King of the Hill. Even in the days of Cable and VDSL, I remember lusting over a T1 with others. I think it was a combination of the guaranteed speed (cable being multi access and DSL depending highly on distance to the CO and how oversubscribed the phone company wanted to be) and the rock steady latency that made it so desirable compared to more consumer focused options. But beyond that, I think it just became almost a legendary nerd achievement to have access to a T1. It was a very weird time. Haha 😂

@kanalnamn 5 месяцев назад

There were a well spread misunderstanding amoung youngsters that T1 meant 10Mbit/s and T3 meant 100Mbit/s. (T1: 1.544Mbit/s, T3: 44.736Mbit/s, E1: 2.048Mbit/s, E3: 34.368Mbit/s. I'm not very samiliar with the SONET/T-carrier system, but in the european system one E3 or 21 E1 can be muxed into a VC3. A VC4 can carry three VC3. An STM-x (x= 1, 4, 16 or 64) can carry x VC4.)

@burn0u71 5 месяцев назад

man that brings back memories of my ISP days with DSL. we had a 7206 running about 4000 DSL customers for the longest time. i believe we had a 2610 in there too at the headend. the 7206 was DHCP/DSL/Routing for all of the customers. that was about 19 years ago

@JMassengill 5 месяцев назад

That 7206 was just slightly before my time. I worked with the 2600/2800 but you never work with production routers much as messing inside those in production will get one fired. Great video thank you for the effort

@Ttarler 5 месяцев назад

As a teen I always wanted a T1 line…. Now I have a 2 gb Fiber so I think I’m set. 🤣 but definitely following this channel for networking, the cable making segment alone was incredibly useful.

@romchiko 5 месяцев назад

Thanks! I still using VXR 7206 with NPE-G2 module for BGP in 2024 😂😂😂 it’s still working like a Swiss clock

@loiphin 5 месяцев назад

The same box I used to pass my CCIE lab about 22 years ago ... geez times flies

@dustinsmous5413 5 месяцев назад

One of the more interesting devices I managed at my first job in IT was a Cisco 7206. Amazingly powerful router back in the day!

@hcblue 5 месяцев назад

Aw man, token ring! I was in college in 2009 and my dorm still had those connectors you showed in the jpeg (token ring to Ethernet). People would call the connectors baluns ("balanced-to-unbalanced"). I never knew the real name, but from the URL are apparently "hermaphroditic connector".

@kbhasi 5 месяцев назад

Your comment reminded me of an article I read many years ago where the author mentioned that the secondary school, high school, or college (I can't remember which) they attended used Token Ring networking at the time (which I think was the early '90s).

@netzwerk-werkstatt332 5 месяцев назад

I am working with Cisco devices since the year 2000. Every router model you have shown here look very familiar to me 😀. Looking forward to see other legacy network techniques in future videos.

@pjaz6800 5 месяцев назад

Im also reppin the Connections Museum merch, was in Seattle last week and went for the first time and was in awe the whole time.

@clabretro 5 месяцев назад

awesome!

@jblyon2 5 месяцев назад

I was given a 7206 with a couple 8 port 10Base-T cards, a 4 port T1 card, and 2 others that I believe had various serial ports on them. I messed with it for a while and then ended up selling it on eBay in 2007 I believe. Someone bought it for an ISP in Central America. I hope it brought internet to some people who would have otherwise been unable to get it.

@Eledore 5 месяцев назад

Good memories of this equipment. Sure we did a lot of fixing, upgrading and replacing it. But you are right, it looked way cooler then the new stuff.

@RCShufty 5 месяцев назад

Man, this brings back memories.

@V00nster 5 месяцев назад

Nice trip down memory lane - I oversaw several of these being put into action over the years and never witnessed any failures. A running joke was that VXR stood for "very expensive router".

@clabretro 5 месяцев назад

I've heard that joke before, and based on the pricing I've found it's very accurate haha

@cylecrum9782 5 месяцев назад

OMG its so cool to see one of these, I use these inside of GNS3 for my virtual topologies. Really cool to see it in a video!

@clabretro 5 месяцев назад

ha nice!

@theserialport 5 месяцев назад

24 channels for 1.5Mbps awesomeness! great work - now we're Token Ring Dreaming 🤓

@MD-sj2dn 5 месяцев назад

I had two 7206 VXRs with NPE G2s sitting in my garage up until 3 months ago when I did an e-waste cleanup. They were border routers in our backup DC for years until we upgraded to ASR’s. I liked the platform much better than the new stuff and iOS XE. The end of when Cisco made the best networking equipment.

@clabretro 5 месяцев назад

Those G2s look awesome! Gonna hunt one down eventually along with a G1.

@jmonsted 5 месяцев назад

We used a bunch of the toasters across various branches of our telco. At some point, we had an entire room just piled up with 7206s full of E1 interfaces for dialup internet after that had all been torn down. One of the ones we ran for yeeeeears could only fit a single power supply because someone had used it as a step to reach the cable raceway above the rack and caved in the entire chassis, especially the slot the (at the time empty) second PSU would go in.

@clabretro 5 месяцев назад

haha

@MikeOxlong- 5 месяцев назад

Crazy seeing the thumbnail (which is what brought me in)… Then hearing you mention trying to get a T1 hooked up while showing a 2600 - brings me back to the first dialup ISP our group ever setup… Must watch this for laughs…

@SirFrag32 5 месяцев назад

We actually had one of those 7200VXRs at my last job. It was serving a Comcast Metro E 100/100 connection and splitting it between 3 tenants. It was retired when we upgraded to 300/300 a few years later. I knew nothing about how that device worked or was configured, but it's interesting to see it now.

@livewire98801 5 месяцев назад

I worked on a pair of 7206VXRs at my first actual network engineer ISP job. One trick to getting those bottom cards out is once you get a little movement, take a couple of flat screwdrivers and lever each side of the card simultaneously. You can actually pull the handle clean off if you yank on it when it's in a rack.

@BilalHeuser1 5 месяцев назад

It's always fun watching a pro configuring Cisco networking equipment!!

@eDoc2020 5 месяцев назад

What a cute little router. I know somebody who worked on the Cisco BFR (Big F-ing Router) about 20 years ago and I got to peek in a dev lab once. I didn't know anything about what I was looking at, all I remember is it was the loudest room younger me had ever been in.

@lopez_wa 5 месяцев назад

I remember managing a Cisco 7200 router at a datacenter in California, in 2004. Good times.

@EmperorCrzyDmnd 5 месяцев назад

I really love this format of playing around with the equipment and figuring things out along the way... I feel like we all learn a lot more about this equipment and provides for good entertainment too!

@clabretro 5 месяцев назад

thanks!!

@keitha.9788 5 месяцев назад

I was a Network/Systems Engineer that worked almost exclusively on Cisco equipment. I stopped working in the field about 12 years ago when customers were driving me crazy expecting me to know everything about all things Cisco - routers, switches, firewalls, VoIP, etc.... The 7206 was relatively easy to work on compared to the earlier equipment like the igs, cgs, mgs and the ags... In the early days they were known as "multi-protocol routers" because they could not only run the TCPIP protocol stack, but also others like AppleTalk, XNS, DECNet, etc.... It was an interesting time to work in the growing computer networking / Internet field.....

@fjs1111 5 месяцев назад

I'm still running a Cisco 3640 router on one of our networks that still used bonded DS1s they are quite robust!

@casterlyrook9431 5 месяцев назад

Love these videos! I can't click fast enough when I see you or The Serial Port upload a video. As a newer Network Admin it's so helpful to see how the roads led us to where we're at now. Keep it up, man!

@clabretro 5 месяцев назад

glad to hear it!

@serpent77 5 месяцев назад

I've got a 2821 running in my rack for my home network in a one arm bandit config to route between my vlans. good stuff, I'm loving all your new videos, this is becoming one of my fave channels to keep up with!

@clabretro 5 месяцев назад

very cool! I'm excited to get that thing doing something soon. thank you!

@VicGreenBitcoin 5 месяцев назад

Bro, I did sell those Routers as student around year 2000/2002!! (Buying them used, fix them and selling them), made me rich! I can fix those with my eyes closed! Really good quality equipment bro! Good to see you made a video about them

@clabretro 5 месяцев назад

haha awesome. thank you!

@TonyCR1975 5 месяцев назад

Dude your videos are really exciting to watch, hope you make more about older hardware

@clabretro 5 месяцев назад

thanks!

@ryanreedgibson 5 месяцев назад

I had dozens of these from upgrading the BIE to the 8500 series. They are all built like a tank.

@miked4377 5 месяцев назад

another fantastic video! I love this ...these machines are fascinating!and I like the different looks and logos ect....the line about being more concerned about the token ring than family is priceless!

@clabretro 5 месяцев назад

ha thanks! glad you liked it!

@vahurstar 5 месяцев назад

How many customers bought these port adaptors without considering the bandwith point requirements and got dissapointed when they couldn't use them as they maxxed out their system. Good old days

@lowlyletterato6962 5 месяцев назад

Sick you got the 7200 mostly working. Really makes you appriciate how much cisco made their old equipment built to last.

@clabretro 5 месяцев назад

definitely, thing is a tank

@johnkreno2488 5 месяцев назад

I worked with and on these units for a decade or so. There were all kinds of rules around what cards you could use based on the different NPE's that you could install on it. Fun fact, the original Cisco CMTS were based on this style of chassis. So they were essentially just VXR's with broadband Upstream and Downstream cards in it. Pretty fun stuff, and that might tie into the video stuff that you do here on the channel.

@clabretro 5 месяцев назад

cool!

@wesley00042 5 месяцев назад

After bonded T1s, you should look into fractional T1s. A lot of small businesses in the late 90s had a T1 with 12 channels for Internet and 12 voice channels going to their PBX.

@regeneric928 3 месяца назад

I remember my CCNA exam from 2018 and they were still asking questions about token ring and serial connections between routers!

@JerryScroggin 5 месяцев назад

I ran my isp from 1995 to 2012 in these. I had 2 7206 vxr as I had FE interfaces. I remember doing bgp with 8 T1s y til I went OC3. I don’t remember exactly when I bought my first 7206 but I ran my isp as a business from 1985 until I sold it in 2012.

@dj2006djdj 4 месяца назад

We had a 7206 as main router in our data centre for out European wan. It had an IBM mainframe front end processor card giving sna and telnet sessions.

@clabretro 4 месяца назад

really cool. was it using the mainframe channel port adapter?

@philathomas 5 месяцев назад

Amazing you have these guys, I managed dozens of these units, mostly vxrs.

@1993MAZDAMIATA 5 месяцев назад

Dude finally! I have been waiting since you showed this a couple weeks ago.

@lezlienewlands1337 5 месяцев назад

The only reason I knew T1 was a connection standard was Unreal Tournament 99 had it as a connection speed. This stuff's fascinating!

@aeleequis 5 месяцев назад

I like that they made these machines so modular, easier to upgrade and repair

@mansnilsson4382 5 месяцев назад

This message was transmitted by a 7206VXR that runs my home network. I've got the NPE-G1and actually only run the GE ports on it. Nit-pick: The configuration is in NVRAM, not on the PC cards; they're only for operating system image storage. I've been meaning to replace the 7206 with a 892 for ages, but the VXR is so conveniently reliable!

@clabretro 5 месяцев назад

very cool! those G1 and G2s look impressive.

@MrDukeLeto 5 месяцев назад

The last two ISPs I used to work still use C7206VXR with NPE-G2 very widely in 2024.

@g0ozs 5 месяцев назад

I deployed a dozen or so of these in 1998 - thanks for refreshing my memories !

@clabretro 5 месяцев назад

ha you're welcome!

@somename8831 5 месяцев назад

Worked for a company that had the token ring wiring but used herma rj45 adapters to run modern network. Was like playing with lego plugin those in.

@gametec_live 5 месяцев назад

I always love watching your videos... Messing around with old ish enterprise equipment noone has ever seen before and doing impractical stuff is always fun... As a neat bonus, most of your videos are also educational :)

@clabretro 5 месяцев назад

thank you!

@traderpete007 5 месяцев назад

Wow. I was running the VXRs in the late 90s.

@simon515 5 месяцев назад

Man, you just consistently keep pumping out great content every week. Great work my man. Greetings from Sweden!

@clabretro 5 месяцев назад

thank you!

@joer8035 5 месяцев назад

I worked in the Cisco support lab in 2012 and these were some of the worst to deal with, squeezing in the back and pulling out the NPE almost always resulted in scraping your hand. Still a good amount of customers around the world were using these in production at the time.

@tartarughaninja4 5 месяцев назад

as someone who's doing network administration , i'm glad that all cisco work has always been outsorced to guys who actually know it, as we (the rest) don't even want to come close to a cisco router. during an interview for a IT job, after they told me "we use just cisco equipment and config over terminal" i simply thanked and walked away haha

@udirt 5 месяцев назад

awesome... this and the vxr or what they were called, were hot and too expensive for playing until the very day they were to old to get :( always liked them and compensated with other devices... Absolutely great channel. I wish i could have done this back before i lost my collection, so wondeful to see people take apart and appreciate old tech!

@clabretro 5 месяцев назад

these were outrageously expensive when new, especially a tricked out VXR. i'll make sure to cover some cost overviews the next time I get these in a video!

@AlexKidd4Fun 5 месяцев назад

I have to admit, i was yawning slightly thinking about this one port T1 setup but i made it till the end and you dropped the 8-port bonded setup bomb so fast my head waa spinning. Youve got my attention now! 😀

@clabretro 5 месяцев назад

haha

@EtherealDragon 5 месяцев назад

Great video, These old-timers (7200s) were from before my time in supporting customer on-site equipment. I have 2 decades in employment with a Tier 1 provider, and I can say I haven't ever come across any of these units in the wild up until recently, when some old equipment was found hidden away in some network cabinets, still strangely powered on, even though they have been out of production for WELL OVER a decade. @11:56 - Probably a good idea to blur out information such as circuit IDs on equipment. The company it came from LIKELY disconnected the service, but it is quite possible that the provider recycled the ID to use for another service ordered after this customer disconnected it.

@clabretro 5 месяцев назад

ha, funny they were just left running!

@uendarkarplips7263 5 месяцев назад

I used to have a pair of those. The nostalgia

@rjdipcord1271 5 месяцев назад

Please! Do more with Token Ring! Back when I was in primary school I inherited a token ring router. It powered up, but it was the only piece of token ring hardware I ever had so I couldn't experiment with it. I would be thrilled to see a functional token ring network. Like you, clabretro, It has stuck with me since.

@clabretro 5 месяцев назад

ha awesome! yeah it'll definitely show up eventually

@RNMSC 5 месяцев назад

Installed, and/or monitored several of these through the years. It is one of the few routers that honestly it would be safe to call a boat anchor if it catastrophically failed. Mostly because of the copper winding's in the power supply. Both of the companies I worked for at the time (late 90's, early 2k's) were very extensive users of Token Ring. They were also both heavy mainframe users (though I don't know if the one was using IBM mainframes, or someone else's.) I suspect that if you ask around the biggest and most persistent users of Token Ring were in businesses where "No one ever got fired for buying IBM' and were in sectors considered highly conservative, (Financial services, Insurance, etc.) Have fun, and keep checking on the hardware. And remember that there has been a large sector of the community that has been hording releases of IOS, simply because it made more sense to do that than to not have a version of code to fall back on if someone dropped support for a piece of hardware the business relied upon.

@mblack4d 5 месяцев назад

You got the colon in dir slot0: before I finished the comment - Love the Cisco gear. Can’t wait to see how this turns out.

@thecoolnessrune 5 месяцев назад

Speaking of the Serial interface card, we actually use more modern Cisco 4221 ISR routers with NIM-16A cards as terminal servers in some Datacenters. Each NIM-16A card has 2 8 port connectors, and with an "octopus" cable lets us connect to the console port of equipment throughout the Datacenter. Each 4221 can support 2 cards, so we can connect 32 serial devices to each one. The 4221 has anemic bandwidth by modern standards (35Mbps with base licensing) but that's more than enough for this use case. There's also the option of rolling your own serial console server, but the 4221 is a solid platform running IOS-XE that we already have plenty of automation workflows for, AAA for authentication, VPN Tunnels, ACLs for user access to the right devices, etc. etc. Not to mention they sip power in this particular configuration. It's a niche use case, but great for ensuring access to a couple of racks worth of gear out of band. We're definitely not the only large enterprise out there doing it.