The OSPF type makes a difference with Broacade as well. NBMA is best from our experience.
Justin Wilson [email protected] www.mtin.net www.midwest-ix.com > On Jan 15, 2018, at 10:13 AM, Steve Barnes via Mikrotik-users > <[email protected]> wrote: > > 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 <http://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 <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 > >> <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 > > <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 > > <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 > > <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 > <http://lists.wispa.org/mailman/listinfo/mikrotik-users>_______________________________________________ > Mikrotik-users mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/mikrotik-users
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