Cisco WAN :: IP SLA And Object Tracking For Default Route On Nexus 7010

Mar 18, 2013

We have a Nexus 7010 running version 6.1(2). 
I'd like to use IP SLAs and object tracking to define static routes for specific source/destination traffic across some WAN links we have.  I've done this in IOS and it's worked fantastically, but I've not found where/how to do this on the Nexus 7010 platform (or any Nexus platform) as of yet.  I could have sworn that this was going to be introduced in the 6.x code?  Below is an example of how we do this in the IOS world:
track 11 ip sla 1 reachability
delay down 15 up 15
ip sla 1

Esentially this gives us the option of using a "failover" default route.  I've attached a basic diagram to explain what we are trying to do with IP SLAs and object checking.  The tracking should be configured against an SLA that uses icmp and the static routes should be configured against the tracking.

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Cisco WAN :: Nexus 7010 - Advertise Default Route Based On HSRP State

Sep 24, 2012

I've got two Nexus 7010's running HSRP north bound to a pair of ASA's, and BGP south bound to four 6509's. Is it possible to advertise default route to BGP neighbor (or prefer it via MED), only if the node is HSRP-active?

Essentially the goal is to create symmetry for inbound/outbound traffic. Only way I can think of so far is via an EEM script, so that when it sees  HSRP go active via syslog, it would kick off an action to remove ASN prepend,  or reduce MED, and the opposite if HSRP goes standby.

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Cisco WAN :: Object Tracking In Nexus 7018 Platform

Oct 30, 2011

I'm going to replace a Cat6513 with a Nexus 7018.  In my Cat6513, there are object tracking config as follows:
ip sla monitor 1
type echo protocol ipIcmpEcho
timeout 3000
frequency 6
ip sla monitor schedule 1 life forever start-time now
ip route name VPN-1 track 123
Is there similar feature in Nexus platform?  Because from Nx-OS command ref, I only found:
ip route ip-prefix/mask {[interface] next-hop} [preference] [tag id]
Seems can't associate a track object to a static route in Nx-OS?

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Cisco WAN :: OSPF Route Between Nexus 7010 And ASR1002?

Sep 16, 2012

I cannot receive any OSPF route from Nexus to ASR1002 even they are both OSPF neighbour. I have attached the config for both, Both Nexus and ASR part of Area0.
ASR1002#sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface10.165.117.12     1   FULL/BDR        00:00:35  GigabitEthernet0/0/0


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Cisco Switching/Routing :: Static Route Deletion Impossible On Nexus 7010

Jan 3, 2012

I am working on Nexus 7010 with NX-OS 5.1.5. I have to delete the static route via [code] I try to remove the route with the command "no ip route" and I have the message below % Route not deleted, it does not exist..I don't understand why I have this message because the static route exist.

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Cisco Switching/Routing :: Nexus 7010 - Stop Default Static Redistribution Into OSPF?

Sep 24, 2012

Ok I didn't setup my OSPF on my 7010. Today I found out that any static route I put into my 7010 gets sent into to my MPLS network. My 6509's you have to "Tag" the static rout for this to happen. Was under the impression the same was necessary for the 7010 or at least it had to "match" an access list. How can I fix the below so that by default all static routes are not resdistributed into OSPF?

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Cisco Switching/Routing :: Nexus 7010 OSPF Passive-interface Default Not Showing

Nov 6, 2011

I'm currently working on a plan to migrate our 6500's over to our new 7010's.  At the time of the migration I want to tighten up our OSPF design and configure OSPF for "passive-interface default" then allow only those interfaces that should have OSPF neighbors to send the hellos.  The issue is that the command is not showing up under the OSPF process.  What's even more interesting is that the Nexus 5.x Unicast Routing Configuration Guide shows that the "passive-interface default" command should be an option to enter.
I'm currently running version 5.1(4) (though looking to upgrade to 5.2 during my migration testing).  I would rather configure the passive-interface via the routing process versus having to enter it on every interface.

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Cisco WAN :: Reliable Static Routing Backup Using Object Tracking On 2800

Jan 29, 2012

I was configuring route tracking at a client with several sites to route across GRE tunnels and being able to detect a failure of the main site. To my surprise when configuring a 2800 series router (after sucessfully configuring a 1800 series on the same infrastructure), a 2821 with  IOS 12.4(24)T2 IPbase, the commands for ip sla object tracking don't show up.The feature navigator says the router supports this, but it just won't take the commands (also tried older versions of the commands such as "ip sla monitor.." and "rtr .." to no avail).

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Cisco Switching/Routing :: Will Vrrp Object Tracking Work On 1721 Router

Feb 20, 2013

I am using a bunch of Cisco 1721 routers for my T1 lines. We recently purchased Digi cell modems as a backup for the T1. On configuring vrrp to work on both devices I discovered that IOS 12.3(6c) does not support the "vrrp track" feature. After reviewing the Cisco Feature Navigator I could not see an IOS that will support the vrrp object tracking. Is that correct? The routers have T1 WIC's installed. If it does work what is the latest IOS that will work on this end of life product?

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Cisco Firewall :: 5510 Trace-route / Antispoofing On Not Default Route

Jun 24, 2011

I've enabled antispoof on all interfaces on asa 5510.If you start a traceroute to a network on the default route, everything works, since replies comes to an interface with route defined.If you start a tracer route to a network that is NOT on the default route (let's assume coporate MPLS), you only get response from first carrier router, the other are discarded because of anti spoof violation.
I have ICMP inspection and icmp-error inspection enabled.

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Cisco WAN :: 7609 - HSRP Feature / IP Route Tracking

Jun 15, 2011

I am using two 7609 router in setup, HSRP enable on both router, and both have WAN connectivity to different PE end router we want to enable hsrp feature ip route traking, in case primary link goes down (Because of any reason link bgp failure, PE device issue).

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Cisco WAN :: Nexus 7010 PBR Without Track

Sep 15, 2011

Trying to implement PBR in N7K?  I found that there is not track mechanism can use in "set next-hop ip", so if the next-hop is unreachable that the route might be died.

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Cisco WAN :: Multicast Mac On Nexus 7010

May 18, 2012

i have a couple of nexus 7010 (5(2)3a) connected to a checkpoint in HA(active/active)I have now to configure multicast mac..i found this commmand: [code]

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Cisco Firewall :: ASA 5510 - Multiple Static Route Tracking

May 15, 2013

I am trying to set up my ASA5510 the fail over of ISP when it can't ping three different IP. I create three different tracking to three different IP using sla monitor & track rtr. But when I do

   route isp2  0 0  yy.yy.yy.yy  50
   route isp1  0 0  xx.xx.xx.xx  31  track 1
   route isp1  0 0  xx.xx.xx.xx  32  track 2
   route isp1  0 0  xx.xx.xx.xx  33  track 3

the last route will replace the previous two and only the last route command takes effect.Is there anyway I can set up the fail over to ISP2 only when it can't ping three different IP from ISP1?

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Cisco :: LMS 4.1 And Nexus 7k User Tracking?

Sep 1, 2011

I am trying to determine why hosts off our Nexus 7010s are being picked up in UT. Since LMS 4.0.1, UT should be supported on these devices.When adding the Nexus devices to DCR, provide the netadmin SNMP RO credential.When other SNMP RO credential is provided, user tracking will not collect end host data.I think I have this setup correctly as the device center test passes when cehcking snmp ro credentials.Our 7010s are running NX-OS 5.0(3) - earlier than the recommended version - might that cause issues? We are not using VRFs other than the default and management.
Here is my snmp section:
sh run | sec snmp
ip access-list copp-system-acl-snmp
  10 permit udp any any eq snmp
  10 permit udp any any eq snmp
  20 permit udp any any eq snmptrap


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Cisco Switching/Routing :: Static Route Tracking On Catalyst 3560G?

May 25, 2013

I am trying to implement static route tracking on  a Catalyst 3560G ( WS-C3560G-48PS, IOS version 12.2(35)SE5 and SW image C3560-IPBASE-M). The configuration is as follows:
track 101 rtr 1 reachability
rtr 1
type echo protocol ipIcmpEcho
rtr schedule 1 life forever start-time now
IP address is reachable via ICMP (its the next-hop router).

The static routes configured are the following:
ip route track 101
ip route 20
But only the secondary route(ip route 20) its being installed on the routing table by the switch.

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Cisco WAN :: Periodic CPU High On Nexus 7010

Mar 2, 2011

There are times the Nexus CPU goes high around 70% but its not a constant occurance. Is there something to worry. Quite hard to find out which process caused it as it happens very brief. [code]

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Cisco Switching/Routing :: 7010 - How To Add Two Nexus 5K In DC

Feb 18, 2013

This is regarding Nexus core switch 7010. We are already running two nexus 7K with ten Nexus 5k. Currently we are going to add two new Nexus 5k in our DC. In the 7K we already running two VDC's.

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Cisco Infrastructure :: Push Button On Nexus 7010?

Jun 25, 2012

I saw a push bottom below the fan module of the nexus 7010. What that is for?

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Cisco Switching/Routing :: Connecting Nexus 7010 VDC With VPC

Jan 29, 2013

In our LAN network design, we have two Nexus 7010 switches on the core connected via vPC. Then LAN access switches are directly connected to the Core Nexus switches  via  regular port channels on the 3750's  and vPC on Nexus. The core Nexus switches will be linked to an existing LAN network and the applications will be progressively migrated from the old to the new network.In this scenario, three VDCs are planned to be configured on the Nexus -  One for the Interconnect (and WAN at a later stage), one for the LAN/local services and one for the building facilities/local services.

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Cisco Switching/Routing :: Upgrade Nexus 7010 From 4.2(4) To 6.1(1)

Jun 11, 2013

I'm about to perform an upgrade on two Nexus 7010 switches per above. Can I directly upgrade or, do I need to go from version 4 to 5.x and then to 6??
SA7001# dir bootflash:
        518     Jan 10 00:37:51 2008  TBM14107479_136878179.lic
      15830     Jun 06 11:50:11 2013  dcnm-
      16384     Jan 09 23:25:25 2008  lost+found(code)

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Cisco Switching/Routing :: Logging In Nexus 7010 6.x?

Sep 19, 2012

We recently replaced our core switch from a non-cisco vendor with a Nexus 7010.  With our old core switch, I had the ability to log changes to the ARP table.  So if there was a dhcp conflict or a vMotion event, it would show up in the "show log" output.  I've not found a way to do that with the Nexus switch - or at least no way to view the log.  I have the command: logging level arp 6

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Cisco Switching/Routing :: Nexus 7010 Dual Sup ISSU

Aug 7, 2012

I have to upgrade a Nexus 7010 with dual Sup engines from 4.2(4) to 5.2 and am hoping it could be an ISSU. We are fine with an outage window.To upgrade from 4.2(4) to 5.2(5) I'll have to do a multi hop upgrade from 4.2(4) - 4.2(6) - 5.2(5) and each hop would take 40-60 I spend 40-60 minutes for each hop, or just do a disruptive upgrade straight from 4.2(4) to 5.2(5)? Like I said, we are fine with an outage window.

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Cisco Switching/Routing :: Does Nexus 7010 Supports NAT64

May 1, 2012

Does Cisco Nexus 7010 supports NAT64; the image that I am using is :-
BIOS:     version 3.22.0
kickstart: version 5.2(4)
system:   version 5.2(4)
BIOS compile time:       02/20/10
kickstart image file is: bootflash:///n7000-s1-kickstart.5.2.4.bin
kickstart compile time: 12/25/2020 12:00:00 [03/08/2012 03:58:13]
system image file is:   bootflash:///n7000-s1-dk9.5.2.4.bin

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Cisco Switching/Routing :: Nexus 7010 Module Failure?

Apr 11, 2012

I'm currently getting a Nexus hardware failure at present.
switch %MODULE-2-MOD_DIAG_FAIL: Module 8 reported failure due to DEVICE POST/DIAG FAILURE in device 48

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Cisco :: Unable To Poll SNMP Data From Nexus 7010

Apr 18, 2012

I have two Nexus 7010 in the data center. I'm unable to poll SNMP data from one of the NEXUS 7010s. The other Nexus 7010 is working fine.  I have compared the SNMP configurations, and they are identical. When I do "show snmp" on the non-working switch, I have SNMP packets in "Unknown Context name", not sure why. I have done show vdc and it matches the working switch output. Here is output of show snmp from the non-working switch: 133 SNMP packets input        0 Bad SNMP versions        0 Unknown community name        0 Illegal operation for community name supplied        0 Encoding errors        0 Number of requested variables        0 Number of altered variables        0 Get-request PDUs        0 Get-next PDUs        0 Set-request PDUs        0 No such name PDU        0 Bad value PDU        0 Read Only PDU        0 General errors        0 Get Responses        133 Unknown Context name0 SNMP packets output        0 Trap PDU        0 Too big errors        0 No such name errors        0 Bad values errors        0 General errors        0 Get Requests        0 Get Next Requests        0 Set Requests        0 Get Responses        0 Silent drops.

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Cisco :: How To Retrieve Nexus 7010 Et 5596 Configuration Via Snmp

Mar 23, 2012

I want to know how to retrieve the complete configuration for a Nexus via the snmpwalk or snmpget commands...

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Cisco Switching/Routing :: Surges In Nexus 7010 Latency

Dec 2, 2011

I just deployed a nexus 7010 switch at a server farm. after deployment, it was notices that there are surges in latency across the network. The default gateway was then moved to the nexus, with this pinging from an host on the same subnet there is intermitent burst is latency

Ping of about 80ms and sometimes even times out.
To me, this is strange.
NX-OS Version is 5-02a

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Cisco Switching/Routing :: Creating VPC On Single Nexus 7010?

Jan 6, 2013

I'm looking to see if it is possible to run a vPC between to vDC's on a single 7010?  We have a Production setup that runs dual 7010's with vPC's between the chassis but in our lab we only have a single 7010 with a 32 port 10gig module.  I was thinking that maybe we could create 4 vDC's on the 7010 and run a vPC between the vDC's.

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Cisco Switching/Routing :: Nexus 7010 NX-OS 5.2 Netflow FPS Information

May 22, 2012

How to get a summary of netflow statistics on NX-OS? On IOS you could do sh ip cache flow which would show what I need? Can't find a similar command on the Nexus Platform.

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Cisco Switching/Routing :: Nexus 7010 Install New Supervisor

Sep 20, 2012

We will install a new Supervisor Engine in our Nexus 7010.One Supervisor Engine is already installed an 1Year old.So the Problem is that both Supervisor Engines may have different NX-OS version.Could this lead to a problem?Does the installed Supervisor Engine "udate" the newer Supervisor engine?

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Cisco Switching/Routing :: Vrf With Hsrp In Nexus 7010 Version 6.0

Nov 24, 2012

i have a big problem because i configure a vlans with vrf and HSRP but, when i do "show hsrp brief", dont show this interfaces and, i can ping virtual IP. it seems hsrp dont work.

 interface Vlan405
  description smsc-fwatlas1
  no shutdown
[Code] ....

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Cisco Switching/Routing :: Management Interface On Nexus 7010?

Apr 28, 2013

We have a couple of Nexus 7010's split into Core and Distribution VDCs. MGMT0 interfaces on each of the Nexus VDC's (including the Admin VDC) are configured with different IP address, but on the same subnet i.e for admin, for Core and for Distribution. The MGMT 0 physical port on each Nexus is connected to a physical gig port on a 3750 X switch, and the 3750X has uplinks back to the Nexus configured for vPC.
When i ssh to the VDC MGMT0 IPs from the 3750X, i can access each of these VDCs without any problems. But if i enable routing on each of these links(OSPF) and advertise it to the WAN, i cannot see these routes advertised and also cannot see any of these routes in the local routing table.Just wondering if i have to enable these links on a VLAN and then advertise it to the WAN..But if this the case, VLANs cannot be created  on the Admin(default VDC).

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