Cisco Switching/Routing :: Nexus 5596 Giving Error In Connection
Aug 28, 2012
I have 2 datacenters running same equipement (two Nexu 5596 with FEX).I just took a look at the log just to see if everything is ok and I saw that I have the same error message (a lot of times) at both location :
%SYSMGR-FEX100-5-HEARTBEAT_LOSS: Service "satctrl" heartbeat loss 2 ,max 7,I though it was a problem with my peerklink-keepalive connection but I see the word FEX ....so i'm not sure...
Note that at both locations, my Nexus are connected back to back through the management port using transceivers. So it's a copper cable from the first nexus, going into a transceiver, going to another transceiver in fiber and then back to copper to the other nexus.
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Jan 3, 2013
I have 2 Nexus 5596UPs with a layer 3 cards that are exhibiting some very peculiar behavior. The systems are running 5.1(3)N1(1).I have configured 2 VRF contexts each running their own OSPF process. There is a static gateway of last resort configured on each VRF, which is to an upstream pair of 5585X's in Active/Active. Each OSPF process has the "default-information originate always" command configured, however, backbone neighbors are not recieving a gateway of last resort from the 5596UPs. The applicable configurations are show below. All other routing information is passing correctly between devices in the network. This network is not production, it is a proof of concept for a larger implementation.
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Oct 23, 2011
Net flow on the Nexus 5596upI can't seem to find any information on the Nexus 5596 support of net flow. On Nexus 5596UP support of net flow ?
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Mar 19, 2012
We have setup a pair of Nexus 5596 L3 switches with 2 x 10Gbps LACP links between them to act as the vpc peer link. We also have another 2 x 10Gbps LACP links between the 5596 switches to carry non VPC VLANs, this is required to provide EIGRP routing between the switches and an upstream router.I have read that it is possible to setup the vpc keep-alive link over an SVI instead of the management interfaces. Is it ok to run the keep-alive SVI over the second LACP non VPC VLAN trunk or is it recommened to keep this seperate?
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Oct 31, 2012
Can Nexus 5596 support more than 1 N55-M160L3-V2 layer 3 module?
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Jan 31, 2012
I am looking to see if Nexus 5596UP & Nexus 2248TP GE compatible with SFP-10G-SR? The reason is because a consultant was hired on to "design" the network layout and has decided to purchase Cisco SFP+ Copper Twinax Cables which have a 10M limit. A small handful of the Data Center racks are 10-15M away... just out of reach of the Twinax. I would prefer NOT to move the LAN row so that it is more centered in the room. Can I use the SFP-10G-SR to connect the 2 switches (5596 & 2248) together? This SFP has a 26M reach on standard 10gig fiber, the small cost increase per connection is of no concern.
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Apr 16, 2013
i have: two nexus 5596 connected each other the mgmt0 is NOT in use SVI for keepalives with IP address and /30 netmask vpc-keepalives running over fiber in e1/1. this works well uplinks to datacenter distribution switch (Cat 6500 VSS) over fiber on port-channel 1 (e1/2 and e1/10), also carrying the management VLAN (vlan 14). SVI with an IP address for management purposes
I can't get this to work. i can ping my whole network from the nexus, but not the nexus from my network. also pinging inside the mgmt vlan is not possible.
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Dec 19, 2012
we have configured VpC between two Nexus 5596, for Vpc-Keep-alive-link we configured L3 interface with 1G (GLC-T) ,it shows the below status message "L3 not Ready" with interface LED glows in Yellow in color. is this a physical layer problem
Ethernet VLAN Type Mode Status Reason Speed Po Ch
Eth1/17 -- eth routed down L3 not ready 1000(D) --
Eth1/18 1 eth access down SFP not inserted 10G(D) --
Eth1/19 1 eth access down SFP not inserted 10G(D) --
Eth1/20 1 eth access down SFP not inserted 10G(D) --
Eth1/21 1 eth access down SFP not inserted 10G(D) --
[code].....
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Jul 6, 2012
We have HSRP between NexusA and NexusB with access layer switches connecting to the core using VPC, We are trying to setup a VAM server Voice recording for Siemens phones. We need to span all voice vlan and point it to the VAM server the VAM server connects to a 3750 Stack considering the amount of traffic multiple span session can generate I plan to move the server to the Nexus directly and run a Local Span Session.
1- As we have two Nexus running HSRP and VAM server only connects physically to one NexusA (I can run local span on that nexusA) the Second NexusB is not directly connected to the VAM server I plan to run ERSPAN so if this is the best design and which path will the span traffic take from Nexus B to NexusA will it go through the access layer switches depending on the vlans allowed on the uplinks or will it go through the 20 Gig uplink between the two Nexus allowing all vlans (VPN peer links) ? WE have approximately 10 voice vlans, Do we an example config for ERSPAN session where the source are vlans (As I am for fimilliar with RSPAN) ?
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Dec 18, 2011
this is a Nexus 5596 L3 with the latest code:
It looks like the deny statement is not working as I can see all routes I am redistributing. I even did a deny on a specific route and I still see it in the routing table on another router in the autonomous system.The same below works fine on IOS platform. [code]
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Jan 27, 2013
I have a pair of 5596 running in a vPC with Nexus 2248 connected to each N5596. When I do the command "show fex" I get the following output on the 2nd 5596
Number Description State Model Serial
------------------------------------------------------------------------
101 FEX101 AA Version Mismatch N2K-C2248TP-E-1GE SSI16390705
102 FEX102 AA Version Mismatch N2K-C2248TP-E-1GE SSI163704AD
122 FEX122 Online N2K-C2232PP-10GE SSI16370195
I'm running version 5.1(3)N1(1) on both of the 5K's. I have looked through all the configuration and I am not understanding why I am getting this error. I have tried to look it up on [URL], but not having a ton of luck.
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Jun 21, 2012
what is the equivalent command to configure on the Nexus 5596? OS version 5.1(3)N2(1) Catalyst 45k ip igmp snooping vlan 1036 mrouter interface Po20
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Feb 23, 2012
I am deploying a pair of Nexus 5596's with 3750 POE switches in the closets. I'm looking for a best practice as how to configure the Nexus 5596 to support proper QoS for EF at the core.
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Mar 17, 2013
I currently have Nexus 5596 pair with VPC peer link Po1 between them. My goal is to connect our new Nexus 7Ks to the 5K's using Fabric Path. My question is during this inital setup with the 7K's. Can I use the same port channel number on the 7K's as I did the 5K's? Is the port channel locally significat?
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Feb 17, 2012
Any experience interoperating Nexus 5548 or 5596 with Catalyst 3750 or 4507R?
We're looking into Nexus to replace these switches in the long run.
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Jun 11, 2013
i want to remove the sync-profile on each of two synchronized Nexus 5596UP without loosing the config stored in Switch-Profile. That means without connectivity interruption and re-configuration of interfaces in "conf t mode", for example. Since NX-OS Release 5.2(1)N1(1) there is a new command
switch(config-sync)# no switch-profile abc profile-onlyprofile-only—Deletes the switch profile without the local configuration.
[URL]
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Feb 20, 2013
the phone connects to the 3750-A access layer switch (VTP mode client) which connects to the nexus 5596 (The nexus is the layer 3 device and set to vtp mode server) and finally we have a Voice recorder that connects to another access layer 3750-B switch.(VTP mode client)
For voice recording I need to setup RSPAN and the nexus5596 does not support RSPAN will the following have any impact on the nexus
IF I move the 3750-B to VTP server mode and run the command remote span on the VLan I need to Rspan its going to update the VTP data base in short it will update the vlan.dat file for all the switch in that VTP domain.
AS the vtp update reaches the nexus saying there is a change (keeping in mind the nexus does not support rspan not sure hows its going to handle that request and how its going to update its vlan.dat file)
Is it going to incremment the VTP revision number? can it crash the vlan.dat file on the nexus ? or do nothing and ignore the update and stop the update from proceeding to the 3750 A switch?
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Apr 4, 2011
We're seeing "OutDiscard" error on a LAN switch connected to newly migrated Cisco IP phones. All the other error counters are clean except for the OutDiscard. (please see attached "show int count err" output.) [URL].
According to the link above, the common cause of such discards can be to free up buffer space.(Am I seeing a switch buffer issue?) How to identify/resolve the cause of the OutDiscard.The switch is 3750-E running c3750e-universalk9-mz.122-44.SE6.bin
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Apr 22, 2013
I am currently on Time Warner Cable 10 mbps packge, and am using their wireless DOCIS3 modem/router. It is connected in my bedroom to the main computer. That computer stays connected. However, throughout the rest of the house (we have a two story townhome) it will drop completely or give limited connection...constantly. Sometimes I can have my laptop next to me and it will go out or give limited connection. The connection speed never drops, it just goes completely to no connection. Not for sure what is going on, if its on my end or time warner. Has been doing this for quite some time, the cable company comes out and changes the modem, but that's it, couple days later, goes back to doing it again.
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Jul 24, 2011
I had been working on our client servers through Cisco VPN using internet datacard. But from past 3 weeks after logging into Cisco VPN using my username/password, when I try to connect to any of the servers, it is giving connection timed out error.
Whereas, my team members across other locations are able to connect to the servers using my VPN username/password.
I thought there might be some issue with my laptop or internet datacard. I got my laptop formatted, even tried out with fresh new laptops & new internet datacards, but the issue remains same.
I have tried using vpn_5.0.06.0160-k9 & vpnclient-5.0.05.0290-k9 to connect but issue did not get resolved.
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Jan 3, 2012
I just upgraded to the e4200 v2 and I seem to be having connection issues with my android phone and tablet. Both are 802.11n compatable but they seem to have issues staying connected. Just so everyone is up to speed, there are two connections made by android, a general one to the internet, and a second one to the google servers (for syncing e-mail and contacts and the like) When just connected to the internet, the wireless icons are gray, when connected to the google servers as well, the icons turn blue. It's the drop in connection to the google servers that I'm having an issue with. I currently have the router set in full auto for channel and frequency band, but I've also tried setting specific ones thinking maybe the change in channel or something was causing the disconnect. The disconnect will even happen when I'm sitting right next to the router. The phone is a Samsung Galaxy Nexus (Verizon LTE) running Android 4.0.3 and a Asus Transformer tablet (Wifi only) running android 3.2.1.
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Oct 10, 2011
I 've got some problem with my Mail Server since I've migrated to an ASA5510.Actually the server is in a DMZ with a private Ip ( 10.x.x.2) and it is translated to a Public IP ( 194.x.x.65).Some Users received in there mailbox a system administor error message :Object : Impossible to deliver : testYour message could not be deliver to one or more of its recipients: 421 SMTP connection went away!When they try to re sent it some times later, message is sent whithout problem.
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Sep 4, 2012
I encountered problem while trying to copy file from Nexus 5548 to my ftp server (proteus - 192.168.12.220 - the Nexus switch is able to resolve name proteus correctly to 192.168.12.220). See below the working and not working scenarios. I have serached through Cisco Bug Database but unable to find any related bug associated to this problem. This Nexus is running the following NX-OS version.
n5000-uk9-kickstart.5.1.3.N1.1a.bin
n5000-uk9.5.1.3.N1.1a.bin
Working (without specifying the username and full path)
[Code].....
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May 27, 2013
I have in logs following error message:
%DEVICE_TEST-2-PWR_MGMT_BUS_FAIL: Module 1
Has failed test SpineControlBus 20 times on device Power Mgmt Bus on slot 10 due to error Spine control test failed error number 0x00000002.
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Mar 4, 2013
I'm facing a problem regarding loss of ping packets when i do ping test from nexus3k to another nexus3k connected directly.however there is no error counters on the interfaces on both of devices.the ping failutre is occurring only whenever i do ping test with a large number of ping packets.I don't see the ping loss symptom with default ping test (default ping test is 5 packets).
H/W : N3K-C3548P-10G
S/W : 5.0(3)A1(1)
nexus3k# ping 1.1.1.2
PING 1.1.1.2 (1.1.1.2): 56 data bytes
64 bytes from 1.1.1.2: icmp_seq=0 ttl=254 time=2.732 ms
64 bytes from 1.1.1.2: icmp_seq=0 ttl=254 time=2.732 ms
[code].....
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Nov 21, 2012
We are getting some error logs on Nexus VDC,as follows:2012 Nov 23 08:49:11 N7K_B-Network_Center_B %$ VDC-3 %$ last message repeated 6 times 2012 Nov 23 08:50:21 N7K_B-Network_Center_B %$ VDC-3 %$ last message repeated 7 times 2012 Nov 23 08:49:11 N7K_B-Network_Center_B %$ VDC-3 %$ last message repeated 6 times2012 Nov 23 08:50:21 N7K_B-Network_Center_B %$ VDC-3 %$ last message repeated 7 times.
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Oct 19, 2012
We inserted GLC-T modules and on Nexus 5548 they are showing SFP validation Failed , as per Cisco doc GLC-T is support . Since we have 28 such modules and all after inserting showing same error. please see the below details. I also try configuring speed and inserting modules but no result ..let me know whether my GLC-T module is supported on Nexus 5548
INMUMFDS1SWCORE01# show module
Mod Ports Module-Type Model Status
--- ----- -------------------------------- ---------------------- ------------
1 32 O2 32X10GE/Modular Supervisor N5K-C5548P-SUP active *
2 16 O2 16X10GE Ethernet Module N55-M16P ok
3 0 O2 Daughter Card with L3 ASIC N55-D160L3 ok
[code]
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Jan 27, 2013
We have purchased two new Nexus 3548 switches. According to documenation the Nexus 3K does support vPC. When trying to enable the feature I get this:
nexus(config)# feature vpc
Error: vPC feature is not supported
nexus(config)#
We are running software version version 5.0(3)A1(1) and it looks like the latest version is 5.0(3)A1(2) so that's not much of a difference.Am I missing something here?
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Oct 29, 2012
We are getting some error logs on Nexus switch 7K.
Loggs:
----------
2012 Oct 30 22:36:07 SWITCH %CMPPROXY-STANDBY-2-LOG_CMP_UP: Connectivity Management processor(on module 6) is now UP
2012 Oct 30 22:36:40 SWITCH %SYSMGR-2-GSYNC_SNAPSHOT_SRVFAILED: Service "ipqosmgr" on active supervisor failed to sto
re its snapshot (error-id 0x40480005).
2012 Oct 30 22:36:40 SWITCH %SYSMGR-2-STANDBY_BOOT_FAILED: Standby supervisor failed to boot up.
2012 Oct 30 22:36:42 SWITCH %PLATFORM-2-MOD_REMOVE: Module 6 removed (Serial number JAF1550ATBR)
2012 Oct 30 22:42:08 SWITCH %BOOTVAR-5-NEIGHBOR_UPDATE_AUTOCOPY: auto-copy supported by neighbor supervisor, starting
[code]....
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Dec 10, 2012
I have Nexus 7K installations in 2 locations. Both of them have multiple VDCs. In default VDC there are continous tacacs error message though tacacs is not configured. The requests are from various public IPs where thsi VDC is not exposed to Internet at all. What would be t he cause of it?
%AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed for user root from 195.2.219.2
2012 Dec 11 16:25:28 IDC-FBDTB-AMR2-CN7K-01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed for user nagios from 67.78.206.226
- sshd[25797]
2012 Dec 11 16:25:34 IDC-FBDTB-AMR2-CN7K-01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed for user nagios from 67.78.206.226
- sshd[25799]
[code]....
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Nov 12, 2012
NEXUS 7000 Octopus internal error in device 78 message. I got this on NEXUS 7000 logs:
Nov 12 22:05:14 smale-outside : 2012 Nov 12 21:05:14 BRST: %MODULE-2-MOD_DIAG_FAIL: Module 2 (serial: JAF1548AMKB) reported failure on ports 2/1-2/32 (Ethernet) due to Octopus internal error in device 78 (device error 0xc4e0025b)
Nov 12 22:05:17 smale-outside : 2012 Nov 12 21:05:17 BRST: %MODULE-2-MOD_FAIL: Initialization of module 2 (serial: JAF1548AMKB) failed
Nov 12 22:05:18 smale-outside : 2012 Nov 12 21:05:18 BRST: %MODULE-2-MOD_FAIL: Initialization of module 2 (serial: JAF1548AMKB) failed
[code]....
I only have found:
[URL]
which does not match reality : No one was configuring Vlans.
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Jul 9, 2012
I've Nexus 7010 switch installed in my DC. I've conncected Cisco router to one of the Ports. On the same port I'm getting following error message and hence, unable to form EIGRP neighborship.
DR-CORE-SW-S01-NEXUS7K %MODULE-2-MOD_SOMEPORTS_FAILED:
Module 1 (serial: JAF*******NGK) reported failure on ports 1/2-1/2 (Ethernet) due
to R2D2 : Speed patch failed - no frames transmitted in device 143 (error 0xc8f0
1273)
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Jan 28, 2013
Does ACS v4.2 support the addition of the Nexus switches? We have a few new Nexus devices that have been added to ACS, but cannot be accessed successfully. A msg re: role based authentication is received. Do I have to do something special in ACS to support this?
Nexus 5596 v5.1(3)N2(1)
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