🚀 go-pugleaf

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Ticket Number: ACOnet.980421.1600    Ticket Status: CLOSE
Ticket Type:  (UN)SCHEDULED          Ticket Source: ACOnet
Ticket Scope: Router                 Site/Line: Vienna-EBS1.Ebone.NET
Ticket Owner: Christian Panigl       Problem Fixer: ACOnet
Ticket Opened: 980421.1600	     Problem Starts:  21-APR-1998 17:00 MET-DST
                                                      21-APR-1998 15:00 UTC    
                                     Scheduled End:   21-APR-1998 17:05 MET-DST
       Closed: 980422.1000                   Ended:   21-APR-1998 17:03 MET-DST
                                                      21-APR-1998 15:03 UTC
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Close.980422.1000:	Vienna-EBS1 running stable with 11.1(12)CA1 since 
			reload.

Problem Description:	

	The new SW Version IOS 11.1(17)CC which was loaded into Vienna-EBS1
	this morning appears to have a bug in the driver code for (at least)
	PA-8E interfaces.  This intermittently leads to significant
	performance degradation on those interfaces (rtts of >1000ms, high
	drop-rate though by far not fully loaded).  We haven't found a
	workaround yet, therefore we need to step back to the previously
	running version.
	
Affected:	Vienna-EBS1.Ebone.NET connected Ebone customers:

			Abacus.AT
			ACAD.BG
			ADIS.AT
			APA.AT
			ATnet.AT
			CARnet.HR
			GAMS.AT
			GlobalOne.AT
			ICI.RO
			K2.net
			MARnet.MK
			Salzburg.co.AT
			SwissCom.AT
			Telecom.AT
			Telekabel.AT
			UTA.AT
			
		and backbone/uplinks:
		
			Ebone/Munich - Vienna
			Ebone-Vienna Server Hosts (Ebone-Newsfeed)
			
		and the Ebone-Vienna-Peering with
		
			IBM-GN
		
Actions:	reload Vienna-EBS1 with old SW (IOS 11.1(12)CA1)

Time to fix:	~5 minutes

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