Mcast Issue Meeting

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24 views9/19/2026
mcast having issues again in a datacnter and teams are discussing as solution

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00:00 - 00:03Media teams are saying channels are down again
00:04 - 00:05all issues seem tied to CLT1
00:05 - 00:07its only feeds coming from IAD1 and LAS1
00:08 - 00:12Looks like another weird multicast issue
00:12 - 00:15I think its here on the CLT PEs
00:17 - 00:19Its fine, these are all backup feeds
00:19 - 00:21we have time. We'll fix it in the morning
00:24 - 00:26ummmmm
00:27 - 00:28the media teams
00:31 - 00:33they are saying these are production feeds
00:34 - 00:36Dancing with Stars... season finale
00:53 - 00:58Netops, MXPE, Loops, and anyone else who cant possibly help, leave now.
01:13 - 01:15Fuck IOS-XR and their bullshit MVPN implementation
01:15 - 01:17Lets just put in fucking Nokias at this point
01:18 - 01:23You could drape an unshielded ethernet cable over a toaster and get better performance
01:25 - 01:28this cant keep happening, it cant
01:29 - 01:31we're not the only ones doing this. RIGHT!?
01:31 - 01:34Call Cisco TAC, and get Hightouch on the line YESTERDAY!
01:34 - 01:37I need a solution that doesn't require a PHD in mcast routing to understand
01:37 - 01:40How is this not a on line fix. Call them now!
01:40 - 01:42Sir, we did call them. I'm talking to them now.
01:42 - 01:46Well?! What are they saying? Why is this shit still broken?
01:46 - 01:48They....don't know. They're asking for time to lab it up.
01:48 - 01:52You think have time to wait for them to lab this up you stupid fuck!
01:53 - 01:54Fix it now!
01:56 - 01:57I can't take another night babysitting this shit.
01:57 - 02:00So help me god if they tell me this is some obscure RFC requirement that wasn't found in the POC.
02:00 - 02:03I will fly to North Carolina and rip these fuckers out myself!
02:04 - 02:08RFP failures, can't distinguish type 5 routes, missing type 7s
02:08 - 02:13Netflix is laughing at us!
02:14 - 02:16A 10 year old copper arista can build a mcast tree!
02:17 - 02:21Maybe we should replace these 8000s with some arista 720s! Maybe a fucking meraki off ebay!
02:27 - 02:29This is what were going to do.
02:30 - 02:34Lets take PE01 out of path.
02:34 - 02:36Then all traffic will flow through PE02
02:41 - 02:42That should restore service and buy us some time.
02:43 - 02:47They will make that useless TAC give us some some real fucking answers!
02:48 - 02:53Ridiculous we have to bandaid this!
02:54 - 02:56Well fuck, maybe ill get some sleep tonight.
02:56 - 02:59I havent slept 4 hours in over a week.
03:00 - 03:02Hows this for a non customer facing product!
03:04 - 03:07its ok they have a plan
03:14 - 03:16im sorry, i know this hard on all of you.
03:19 - 03:23No team should work this hard, especially after getting your LTI cut.
03:25 - 03:26Victor?
03:31 - 03:33Write up the change.
03:40 - 03:46down pref PE01, get some sleep, and we'll with with TAC in the morning
03:46 - 03:49Fuck Cisco and fuck MVPN
03:53 - 03:56im putting my phone on do not disturb