Re: [c-nsp] Possible causes for fiber link flap?

2013-10-10 Thread Peter Rathlev
-occurences-20131010.png The graph is event time on the X-axis and distance to last event on the Y-axis. A linear regression (management types like those, right?) shows that the link will be unusable around next midnight CEST. ;-) -- Peter ___ cisco-nsp

Re: [c-nsp] wrong next-hop in 6VPE on ASR9k used as RR

2013-10-10 Thread Tassos Chatzithomaoglou
After 2 months, i managed to get a DE answer: IOS-XR decided it's best to display the actual next hop which is a v4 nexthop and is also registered with the v4 RIB for tracking purposes, rather than what is transported in the NLRI and matches the output of everything else. So the behaviour is

[c-nsp] IP SLB appears to fail on 7200/NPE-G2 running 15.2(4)M4

2013-10-10 Thread Stephen Fulton
Hi all, For a few reasons, I had to move an IP SLB configuration off a 6500/Sup720 (where it worked fine) to a 7206/NPE-G2 running 15.2(4)M4 Advanced IP Services. There were no errors when adding the configuration, but sessions appeared to fail. I did run a debug and captured connection

Re: [c-nsp] reload command doesn't check command line parameters

2013-10-10 Thread Luis Miguel Cruz Miranda
Which IOS are you using? El 08/10/13 09:53, Octavio Alvarez escribió: Wait a minute... My router supports reload reason already and rejects reload int 10. Check later IOS versions. On 10/07/2013 12:05 PM, Pete Lumbis wrote: The two outputs do have different warnings: reload reason:

[c-nsp] N5500 v6.x orphan ports one-arm traffic

2013-10-10 Thread Lee Q
Somewhere I heard that version 6.x NX-OS improved handling of orphan ports in the N5500 series. But the peer link still drops non-IGMP transit traffic. Any improvements in v6.x with respect to supporting one-armed devices upstream or downstream? Also are there any caveats for creating a

Re: [c-nsp] reload command doesn't check command line parameters

2013-10-10 Thread Octavio Alvarez
According to [1], reload reason was added in 15.0(1)M. [1] Cisco IOS Configuration Fundamentals Command Reference, R through setup: http://www.cisco.com/en/US/docs/ios/fundamentals/command/reference/cf_r1.html#wp1078590 On 10/10/2013 04:04 AM, Luis Miguel Cruz Miranda wrote: Which IOS are you

Re: [c-nsp] Possible causes for fiber link flap?

2013-10-10 Thread Erik Klaassen
we have not yet received full data from the splicing team. They're just saying it looks good. :-) 2.4dB loss over 3km is not in g652 spec. max dampening @1550 should be something like: (Length in Km * 0.25)+(Number of connectors * 0.5)+(number of splices * 0.1) Regards, Erik

[c-nsp] Cisco 7206VXR NPE-G1 mGRE performance

2013-10-10 Thread Pavel Dimow
Hello, I have a trouble understanding the problem I have with mGRE on 7206VXR with NPE-G1 on one side and Cisco ASR 1001 on another. The problem is random packet loss for example: 7206 - ASR Sending 1, 1300-byte ICMP Echos to 192.168.0.2, timeout is 2 seconds:

Re: [c-nsp] Possible causes for fiber link flap?

2013-10-10 Thread Peter Rathlev
On Thu, 2013-10-10 at 16:57 +0200, Erik Klaassen wrote: 2.4dB loss over 3km is not in g652 spec. max dampening @1550 should be something like: (Length in Km * 0.25)+(Number of connectors * 0.5)+(number of splices * 0.1) If the SFP+ to fiber interface counts as a connector we have six of

Re: [c-nsp] Possible causes for fiber link flap?

2013-10-10 Thread Peter Rathlev
On Thu, 2013-10-10 at 18:17 +0200, Peter Rathlev wrote: If the SFP+ to fiber interface counts as a connector we have six of those. Using Cisco's numbers[0] we should see around 2.8dB loss end to end, and their numbers are lower than yours. I thus don't think 2.4dB loss in unreasonable; the

Re: [c-nsp] Online Insertion and Removal effect on Spanningtree ?

2013-10-10 Thread Peter Rathlev
On Wed, 2013-10-09 at 15:59 +, Jeffrey G. Fitzwater wrote: Does anyone know if OIR has any effect on Spanning Tree ? Assuming some flavour of Catalyst 6500/7600. I never saw anything like that. For us it mostly never causes even the slightest pause on devices with only CEF720 cards. If the

[c-nsp] Meraki...information

2013-10-10 Thread Eric Van Tol
Hi all, We ran into a very strange problem last night with a customer who utilizes Meraki switches. I'd like to ask anyone on the list who is familiar with this model of switch whether there is *any* possibility that an upstream modification would cause issues with traffic traversing these

Re: [c-nsp] Possible causes for fiber link flap?

2013-10-10 Thread Peter Rathlev
Good news everybody! as professor Farnsworth would put it. :-) On Thu, 2013-10-10 at 18:28 +0200, Peter Rathlev wrote: We have now introduced a switch between RTR-A and ODF 1 to rule out the physical interface on RTR-A. This was necessary since we had no free interfaces in RTR-A at the moment.

Re: [c-nsp] Meraki...information

2013-10-10 Thread Eric Van Tol
Blake, I'm well aware of how switching and buffering works, but I appreciate the derisive suggestion - it was a big help. However, for clarity: no errors (including input/output drops) on the transport circuit (or the customer's directly-attached circuit). Let me ask a more pointed question:

Re: [c-nsp] Meraki...information

2013-10-10 Thread quinn snyder
meraki switches create pseduo-out-of-band management tunnels to (2) geographically remote datacenters. this is how the changes are pushed from the cloud dashboard to the devices themselves. if the connectivity is lost, the devices should continue to push bits as previously configured. limited

Re: [c-nsp] Online Insertion and Removal effect on Spanningtree ?

2013-10-10 Thread 國武勇輝
— Sent from Mailbox for iPhone On Thu, Oct 10, 2013 at 1:07 AM, Jeffrey G. Fitzwater jf...@princeton.edu wrote: Does anyone know if OIR has any effect on Spanning Tree ? I know it stops the BUS briefly but thats it. We had to remove a mod that had nothing connected but did still have config,

Re: [c-nsp] Meraki...information

2013-10-10 Thread Eric Van Tol
Thanks, Quinn, for not being a condescending prick - your answer was actually helpful and to the point. The customer is not entirely knowledgable about these switches, doesn't like them one bit, and had mentioned that they had a problem before where the switches changed the MTUs dynamically on

[c-nsp] Cisco connected with Redback SE-1200 can't burst traffic over 7Gbps on 10G interface

2013-10-10 Thread PlaWanSai RMUTT CPE IX
Has anyone ever used Redback connected with cisco and configure as PPPOE? Why can't burst traffic over 7Gbps on 10G interface? How should I do? Thank you very much ___ cisco-nsp mailing list cisco-nsp@puck.nether.net

Re: [c-nsp] Meraki...information

2013-10-10 Thread quinn snyder
iirc the 'wireshark' is a 30s .pcap file that is dumped into your web browser for download. i am trying to recall if you can span off the switch. its been a month (and many beverages) since my meraki training. q. -= sent via iphone. please excuse spelling, grammar, and brevity =- On Oct