Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-18 Thread Robert Blayzor
On 7/18/19 1:09 AM, Richard Mikisa wrote: > Issue was mismatched MTU. I reduced them down to 2000 after a ping > sweep and its been steady since. I would ping across the link with DF bit set and see what the maximum size packet you can successfully transmit over the point-to-point and set your

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-17 Thread Richard Mikisa
Hi all Issue was mismatched MTU. I reduced them down to 2000 after a ping sweep and its been steady since. On Thu, Jul 18, 2019 at 3:18 AM Mike wrote: > > On 7/17/19 6:54 AM, Łukasz Bromirski wrote: > >> On 9 Jul 2019, at 17:58, Richard Mikisa wrote: > >> > >> Hi All, > >> > >> I am running

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-17 Thread Mike
On 7/17/19 6:54 AM, Łukasz Bromirski wrote: >> On 9 Jul 2019, at 17:58, Richard Mikisa wrote: >> >> Hi All, >> >> I am running OSPF across a point to point link between a Nexus 7000 >> and an ASR1000x. >> >> The OSPF works fine but every couple of hours, it breaks and neighbor >> state goes into

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-17 Thread Łukasz Bromirski
> On 9 Jul 2019, at 17:58, Richard Mikisa wrote: > > Hi All, > > I am running OSPF across a point to point link between a Nexus 7000 > and an ASR1000x. > > The OSPF works fine but every couple of hours, it breaks and neighbor > state goes into EXCHANGE and remains there for another 40 minutes

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-10 Thread James Bensley
On Tue, 9 Jul 2019 at 21:01, wrote: > > Try removing the "ip ospf mtu-ignore" from both ends -see if the adjacency > comes up (past exchange). > Try enabling debug to see what exactly is going on -you should see straight > away what the crux of the problem is. > > adam ^ This. Never use "ip ospf

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-09 Thread adamv0025
ehalf Of Richard > Mikisa > Sent: Tuesday, July 9, 2019 4:58 PM > To: cisco-nsp@puck.nether.net > Subject: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x > > Hi All, > > I am running OSPF across a point to point link between a Nexus 7000 and an > ASR1000x. > &

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-09 Thread Nick Cutting
9 11:58 AM To: cisco-nsp@puck.nether.net Subject: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x This message originates from outside of your organisation. Hi All, I am running OSPF across a point to point link between a Nexus 7000 and an ASR1000x. The OSPF works fine but every coupl

Re: [c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-09 Thread Adrian Minta
Multicast. On 7/9/19 6:58 PM, Richard Mikisa wrote: Hi All, I am running OSPF across a point to point link between a Nexus 7000 and an ASR1000x. The OSPF works fine but every couple of hours, it breaks and neighbor state goes into EXCHANGE and remains there for another 40 minutes or so. It

[c-nsp] OSPF flapping between Nexus 7000 and ASR 1001x

2019-07-09 Thread Richard Mikisa
Hi All, I am running OSPF across a point to point link between a Nexus 7000 and an ASR1000x. The OSPF works fine but every couple of hours, it breaks and neighbor state goes into EXCHANGE and remains there for another 40 minutes or so. It then goes into full, OSPF comes up and all is well for