We run our own internal NTP as well all are synced. Checking on the Brocade now. Maybe it is off.
Steve Barnes Wireless Ops Manager NLBC.com From: Adair Winter [mailto:[email protected]] Sent: Monday, January 15, 2018 9:52 AM To: Faisal Imtiaz <[email protected]>; Mikrotik Users <[email protected]> Cc: Steve Barnes <[email protected]> Subject: Re: [Mikrotik Users] CCR 1072 BGP trivia for your Friday Night We run our own internal NTP server because of this. On Jan 15, 2018 8:46 AM, "Faisal Imtiaz via Mikrotik-users" <[email protected]<mailto:[email protected]>> wrote: It is very important to have the time synchronized on the different routers for OSPF. Regards. Faisal Imtiaz Snappy Internet & Telecom http://www.snappytelecom.net Tel: 305 663 5518 x 232<tel:305%20663%205518%20x%20232> Help-desk: (305)663-5518<tel:%28305%29663-5518> Option 2 or Email: [email protected]<mailto:[email protected]> ----- Original Message ----- > From: "Steve Barnes via Mikrotik-users" > <[email protected]<mailto:[email protected]>> > To: "Mikrotik Users" > <[email protected]<mailto:[email protected]>> > Sent: Monday, January 15, 2018 9:31:59 AM > Subject: Re: [Mikrotik Users] CCR 1072 BGP trivia for your Friday Night > We are seeing very similar issues with ospf through our brocade. It is kind > of > like every so often a route goes stale and the brocade ignores it. I don’t > have to kill upstream, Just change something in the /29 OSPF path and > everything wakes up. > > Have a Brocade Core and 3- 1072 distribution routers connected to Brocade onto > different network segments. One Dist router has no issue getting to all > sections but another will not be able to ping one or a few /29 or /30 even > though all devices have the same number of routes. Quick change of a ospf > route or flushing the Brocade OSPF records on the Dist router port clears the > issue. > > Steve Barnes > Wireless Ops Manager > NLBC.com > > -----Original Message----- > From: > [email protected]<mailto:[email protected]> > [mailto:[email protected]<mailto:[email protected]>] > On Behalf Of Dennis Burgess via Mikrotik-users > Sent: Saturday, January 13, 2018 9:49 AM > To: [email protected]<mailto:[email protected]>; Mikrotik Users > <[email protected]<mailto:[email protected]>> > Subject: Re: [Mikrotik Users] CCR 1072 BGP trivia for your Friday Night > > Sounds like an internal routing issue on the 1032 to me. And/or something up > with your firewall. I would have to take a look. > > Dennis Burgess > www.linktechs.net<http://www.linktechs.net> – 314-735-0270 > x103<tel:314-735-0270%20x103> – > [email protected]<mailto:[email protected]> > > -----Original Message----- > From: > [email protected]<mailto:[email protected]> > [mailto:[email protected]<mailto:[email protected]>] > On Behalf Of mike.lyon--- via Mikrotik-users > Sent: Friday, January 12, 2018 7:18 PM > To: [email protected]<mailto:[email protected]> > Cc: Mikrotik Users <[email protected]<mailto:[email protected]>> > Subject: Re: [Mikrotik Users] CCR 1072 BGP trivia for your Friday Night > > No, i am only advertising the two /22s to my upstreams. Verified that they are > only recieving the two /22s. > > I should also mention that the CCR 1072 connects to a CCR 1036 and the various > /30s and /29s hang off the 1036. There is a 10.x /30 between the two routers. > The 1036 has a default route pointing to the 1072. The 1072 has two staric > routes routing the two /22s to the 1036. > > It would appear the route is getting dropped at the 1072. > > Joe Bob Random /30 will report that he is unable to browse the internet at > one > moment, traceroute stops at the 1072. Drop one of the two BGP upstreams > (doesnt > matter which one) and Joe Bob Random /30 begins to work again. > > Thanks, > Mike > >> On Jan 12, 2018, at 17:08, >> <[email protected]<mailto:[email protected]>> >> <[email protected]<mailto:[email protected]>> >> wrote: >> >> Are you actually advertising /29's and /30's to your providers? >> >> >> Also, what exactly do you mean by dropping /30's? Like the packets are being >> dropped to those ip's, or the /30's are being discarded, the routes are >> disappearing? >> >> -----Original Message----- >> From: >> [email protected]<mailto:[email protected]> >> [mailto:[email protected]<mailto:[email protected]>] >> On Behalf Of mike.lyon--- via Mikrotik-users >> Sent: Friday, January 12, 2018 5:54 PM >> To: Mikrotik Users >> <[email protected]<mailto:[email protected]>> >> Subject: [Mikrotik Users] CCR 1072 BGP trivia for your Friday Night >> >> Howdy! >> >> I have an interesting issue that i can’t seem to figure out... >> >> Quick overview: >> >> -1x CCR 1072 running 6.40.1 >> -2 upstream providers, taking full tables from both to the 1072. >> -2x public /22s behind the 1072 and am advertising both /22s to my upstreams. >> -The /22s are chopped up into various /29s and /30s. >> >> Out of the blue, the 1072 will randomly drop various /30s (havent seen any >> dropped /29s) out of those 2 /22s that im advertising upstream. >> >> If i drop one of either of my upstreams , the problem goes away and >> everything >> is swell. >> >> Any ideas or thoughts on what may be causing this? >> >> Thank You, >> Mike >> >> _______________________________________________ >> Mikrotik-users mailing list >> [email protected]<mailto:[email protected]> >> http://lists.wispa.org/mailman/listinfo/mikrotik-users >> >> > _______________________________________________ > Mikrotik-users mailing list > [email protected]<mailto:[email protected]> > http://lists.wispa.org/mailman/listinfo/mikrotik-users > _______________________________________________ > Mikrotik-users mailing list > [email protected]<mailto:[email protected]> > http://lists.wispa.org/mailman/listinfo/mikrotik-users > _______________________________________________ > Mikrotik-users mailing list > [email protected]<mailto:[email protected]> > http://lists.wispa.org/mailman/listinfo/mikrotik-users _______________________________________________ Mikrotik-users mailing list [email protected]<mailto:[email protected]> http://lists.wispa.org/mailman/listinfo/mikrotik-users
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