Configuring OSPFv2 on a Nexus 5K switches, after configuring area 0 or area 10 it shows as 0.0.0.0 or 0.0.0.10 instead, I'm planning to uplink a couple of ASAs with OSPF enabled, just wondering if the area format showing will be a problem, is this how is supposed to look in the Nexus 5K? and will the 5K be able to form adjacensies with other non-Nexus devices that have area 0 and 10?
View 5 RepliesI'm looking for some input on configuring vPC on the Nexus 3048.I know that it's supported to use 1G interfaces for the vPC Peer-Link, but using 2x1G for the Peer-Link would make the Peer-Link a bottle-neck if the 10G ports are used in a vPC. What about using 2x10G ports for the Peer-Link and using the remaining 10G ports in one, or potentially two vPCs. Should that work or is it in any way not recommended? The reason I'm asking is that the 10G ports are called "Uplink" ports in the data sheets for the 3048.
We are planning to connect some servers to the 3048s using vPC with each server connected by 4x1G interface (2x1G for each switch), and then we want to connect a Netapp storage system with two controllers using 2x10G each (the controllers are active/passive, so you can think of it as two separate systems). We would connect controller A with vPC 1x10G to each switch, and controller B in the same way with vPC 1x10G to each switch.
I want to configure management for some Nexus 5548's?I wanted to manage the switches via an SVI. I have read the following document which gives details about the Management SVI but doesn't answer all questions.[URL]I am not running any layer 3 functionality on the switch, no layer3 license (which it mentions in the above link) Will I still be able to create a management SVI. I know I will need to enable the feature 'interface-vlan' to setup a Management SVI, does that require a license?
View 6 Replies View RelatedIOS we used for limiting access for a group we used configuration of snmp-server views like following
snmp-server group backupgroup v3 priv read backupview write backupview access 20 snmp-server view backupview ccCopyTable included could not find out how to achive this config in NX-OS on Nexus5500
I have a Nexus 7000 plus 6 boxes NX2000 on backbone.I have configured on 7000 :
conf t
system jumbomtu 9000
exitERROR: Ethernet111/1/1: requested config change not allowed
...
ERROR: Ethernet122/1/48: requested config change not allowed
1/111/14 is a NX2000 port conf tinterface ethernet 1/111/14 switchport mtu 9000 exit
I have gotten this message : Error: MTU cannot be configured on satellite port(s) - Eth122/1/11 ?I have tried on a NX7000 TP port:ERROR: Ethernet10/45: MTU on L2 interfaces can only be set to default or system-jumboMTU ?Does JUMBOMTU configuration can be done only when there are no NX2000 configured ?
I currently have two Nexus 5548UP switches in my environment running the latest code (n5000-uk9.5.1.3.N1.1a.bin). Both of these switches are connected via a VPC Peer Link (two ports on each switch in an Ether Channel) and a VPC-Keep Alive Link (a dedicated port). Hosts connect to each switch via a VPC for both IPV4 and FCOE.
As of right now, everything works. I currently have a stack of two 3750 switches that each Nexus is connected to. This stack is doing all the Intra-VLAN Layer 3 Routing for the Nexus Switches. However, I plan to get rid of the 3750s, and move the Layer 3 Routing the Nexus 5548's, so the backplane is 10 Gig instead of 1 Gig.. I have the Layer 3 Daughter Card installed in both switches, as well as the LAN_BASE license.
So, at the moment, I am trying to find the best way to accomplish Layer 3 Routing on these two switches. Since the Nexus switches are not stacked, and the FCOE portion of HA is taking care of by the Multipathing agent on each host, I believe am just concerned with providing Intra-VLAN routing in an HA build where if one switch goes down, VLANs still route through the other switch.
Again, since the Nexus switches are not stacked, I am guessing the best way to handle this is with HSRP, but my experience with that has always been with routers that have a switch in the middle. Can I make HSRP work without having a switch between the Nexus switches? Can I track the VPC peer link, or how do I do it? I guess I am looking for a sample config.
Let's pretend I had two VLANs:
VLAN 20:
10.20.20.254 - GW and 10.20.20.0/24
VLAN 40
10.40.40.254 - GW and 10.40.40.0/24
And I wanted the Nexus switches to route these VLANs regardless of which switch was up / down..
I'm trying to configure intervlan routing between a cisco 2801 router and HP/Amer switches. Using int fa0/1 and subinterfaces I was sure I had it configured correctly, but I cannot ping the default gateways when I place a host in a particular vlan. Below is what I have configured.
HP switch - port 9 connects to fa0/1 on 2801
ip default-gateway 10.1.100.1
trunk 9 Trk1 trunk
trunk 10 Trk2 trunk - to another switch
[code].....
I've been conducting research on configuring 3 distribution switches in my network which are Cisco Catalyst 4507's to communicate with our core over layer 3. Our core switch which is already configured at Layer 3 for intervlan routing is a Cisco Catalyst 6509.
I've got the configuration portion complete and all devices are able to communicate my only question is about QoS. Do I have to configure QoS at the layer 3 interfaces for voice, if so how is that completed. We have several vlans and separate the vlans for each building by voice and data. We only configure ports on the access switches with voice vlans for QoS and we use the auto qos option on these interfaces.
I've been asked whether we can use HP-branded 10G SFP+s (P/N 455885-001) in Nexus 2Ks to provide 10G connections to HP C-Class enclosures. We've used HP-branded twinax, and Cisco-branded SFP+s and twinax, but we have a raft of HP 10G SFP+s sat in a store room gathering dust and now we want to save some money by not having to buy the Cisco parts to match.
View 1 Replies View RelatedI have 2 sites located approximately 30 kilometers apart. I will call them site 1 and site 2.The sites are connected by a Layer 2 1GB fibre connection.I would like to add 2 X Cisco nexus 5548UP switches at site 1 and connect these 2 X Cisco nexus 5548UP switches via GLBP
I would then like to add 2 X Cisco nexus 5548UP switches at site 2 and connect these 2 X Cisco nexus 5548UP switches via GLBP.I would then like to connect the 2 X Cisco nexus 5548UP switches at site 1 and the 2 X Cisco nexus 5548UP switches at site 2 via GLBP.
I have a small doubt with Nexus 7k,5K,2k & 1K.We want to backup the running config to my desktop through tftp.When i tried to backup from Nexus switches showing like below Nexus 7K. [code]
It's showing two choices which one I have to follow "copy running-config startup-config" or "copy running-config startup-config Vdc-all". [code]
It's showing two choices which one I have to follow "copy running-config startup-config" or "copy running-config startup-config fabric"
It's showing three choices which one I have to follow "copy running-config startup-config" or "copy running-config startup-config fabric" or "copy running-config startup-config vdc-all". [code]
The best option for load balancing between 2 X Cisco nexus 5548UP switches located at one site and connecting to 2 X Cisco nexus 5548UP switches located at another site.
The sites are connected via a 1GB fibre connection. I am unable to use GLBP until GLBP is supported in further software releases.
We have Nexus 7009 switch and want to configure the span session
We are using F2 and M2 card both are in seperate differeent VDC.And out server is connected to M2 card on eth 4/6 and want to monitor the traffic from vlan 161Which is made on F2 card.
Connectivity is like this.
Nexus 1 Nexus2
Slot 3: F2 card Slot 3 : F2 card
Slot 3: M2 card Slot 3 : M2 card
[Code]......
I have 2 NEXUS switches in VPC. When I create/delete a VLAN gets updated in the same switch, but the VLAN information does not get propagated to the neighboring switch. Revision number remains the same even if I modify the VLAN. Had also tried changing the VTP status to transparent mode & reverting it to client mode but no luck.Have double confirmed on the VTP domain names & password. However the same setup in different location which works perfectly fine.
View 1 Replies View RelatedAccording to Cisco, Nexus 1010 can host up to (6) Virtual Service blades. I can't find out how many Virtual Supervisor Modules and Virtual Ethernet Modules that make up one Nexus 1000v switches can be supported by each Virtual Service Blades. In other words, how many Nexus 1000v switches can be created with Nexus 1010 appliance?how to configure Nexus 1000v switches with vmware. without Nexus 1010, the standalone nexus 1000v switches was configured from vCenter as an OVF. But how to configure Nexus 1000v switches with vmware where nexus switches are hosted on Nexus 1010 appliance.
View 1 Replies View RelatedI am trying to understand what load balancing method is used on a port channel on a Nexus switch . I have a server connected by a VPC to two Nexus switches. The nexus switches are only acting as layer 2 switches. I have a 6509 connected via a upstream link that does all of the routing for my VLANS. If have a server connected to the Nexus switches and it talks to a server on my 6509 what load balancing happens on the Nexus going across VPC 27 which is a layer 2 trunk going up to my 6509. Is it done on layer 2 or layer 3 flows?
My Nexus shows the default load balancing configurations
Port Channel Load-Balancing Configuration:System: source-dest-ip
Port Channel Load-Balancing Addresses Used Per-Protocol:Non-IP: source-dest-macIP: source-dest-ip source-dest-mac
We are looking forward to implement IBM BladeCentre Swiches connectivity with Nexus 2k module.I would like to brief you about my network over as follows:
Coreswitch : 6513 ( Layer 3 switch + Spanning Tree root)
Nexus 5010 : Layer 2 switch
Nexus 2k 10G ports based module.
Currentl Solution : we want to connect the IBM Blade Switches (4) as demonstrated in the attached diagram which will be connected to Nexus 2k module as Ether-channel Access port.
Initially we been proposed by our vendor with this design and Now vendor is recommending us to connect the Blade switch etiher to Nexus 5k switch or directly to 6513 core-switches instead of Nexus 2k modules as they say Nexus 2k modules are only to connect the Edge devices .
We do not have ports available on Nexus 5010 to connect the cables from IBM Blade Centre Switches. Otherthan that, incase if we go ahead and connect the IBM Blade switches as access ether-channel access port with Nexus 2k module what are consequences we have to face realted Spanning tree or any other.
Connecting a legacy Nortel switch (425/450/470/BPS) to a Nexus 7000 via gigabit fiber? I have a customer trying to do it and they say that the connection never comes up. The support on the Nortel stuff is long since expired, so Avaya is not being particularly useful. Apparently Cisco says the issue is "fast link pulse to the BayStack to determine the capabilities of the uplink and the BayStack is returning all zeros." I have not verified this and actually have not yet gotten my hands on the Nexus side of things
View 2 Replies View RelatedI have a lot microbursts in my network and i looking 10G switches with big buffers. Which models have biggest buffers ? I think about 1-2U (nax 4U) switch with up to 60-100 10G ports. Something like nexus 3064 (he has only 9MB shared buffers AFAIK). Besides deep buffers i need also:
- trill or another ethernet ring topology like erps,eapsv2,
- Multi chassis LAG,
- virtual routers, policy routing
- dcb
- 40G interfaces will be plus
what is the difference between Cisco Nexus switches and the usual catalyst 3750 switches.I do understand the operating system in both these are different.
When will we suggest using Cisco nexus instead of usual Cisco switches? Also what interface does Cisco nexus like 5548 come with , is it both copper and fiber?
Having a design where an IBM bladecenter has two Nexus 4001i switches and each switch is connected to a Nexus 5k vPC pair, is it possible to configure active-active nic teaming on the hosts (blades) considering that the Nexus 4k switches are unaware of each other and blade has one connection to each 4k over either emulex or qlogic 10G CNA?
View 1 Replies View RelatedWe are currently migrating from Cisco 6500 switches to Nexus 7000 switches. I need replicate the following multicast configuration on the 6500 switches in the simplest way so Multicast is functioning on the Nexus 7000 switches.
Cisco 6500 configuration.
ip multicast-routing
interface Vlan8
description
ip address 10.128.46.2 255.255.240.0
[code]....
how we can enable multicast on the Nexus 7000 switches in the simplest form so this will continue operating.
How to properly power down the Nexus 5000 and the fabric interconnect switches? I have looked up and down cisco's and google web for steps, but they are all coming back with the answer to just disconnect the power cables after you have power down all the windows os and exs servers. Before i do that, I just wanted to make sure that that's the correct way to do it or if there are actual commands that I will need to run on the devices to properly power down. I know that the FI do have a command to reboot, but i need them to completely be power down.
View 3 Replies View RelatedI have a router on which I would like to create a port channel that spans two different Nexus 2248TP switches, and then create a couple subinterfaces on the router's po interface. I've done this successfully on my primary router, but the config doesn't seem to work on the backup router. The primary is running IOS 15, while the backup is running 12.4.25d advanced IP. I do see the trunk come up from the switch side, and my router subinterfaces and po interface show up, however I'm not able to get anywhere from the router. It's not even able to reach other hosts on the same network. As soon as I remove the port channel config and use the physical interface and assign the same address used on the port channel interface, everything works as expected and I have connectivity.
interface Port-channel21
no ip address
hold-queue 150 in
!
interface Port-channel21.248
encapsulation dot1Q 248 native
ip address 100.100.100.1 255.255.255.0
[URL]
The company I work have finally decided to enter the 21st century and invest in a new telephone system (Interactive Intelligence) to replace the legacy system which has served us well for the past 10 years. The project has only just started and involves upgrading sections of CAT3 cabling to CAT6, replacing Cisco 3550 switches in one area of the building with Cisco 4507 switches and upgrading our Core switches with Cisco Nexus 7010's. The area that concerns me most is enabling the network for qos as I have very little experience with it. At the moment Im trying to read as much documentation as I can on QOS to bring myself up to speed.
The access layer switches will consist of a mixture of Cisco 3750 & 4507 switches connected to Cisco Nexus 7010 switches which will form a collapsed aggregation & core layer.
Basically, how I should approach this daunting task of making sure the network will support VOIP.
I am in the process of migrating our existing server farm subnets to our new Nexus server farm and I discovered something I wasn’t expecting. My intention is to migrate our existing legacy server farm which is comprised of for paired 3750 switches off of our core 6509s and onto the Nexus and connect them to the 2232s via multi gig port-channel connections, two port channels per switch stack.
NOTE this is expected to be a temporary move as next year we intend to install additional N2Ks and move servers over to these directly. But to minimize the outage/downtime it will be better to move the subnets and switchs all at once.
These connections would be grouped 1 gig connections as port channels, one from each switch into one of the two 2232s.
Problem I discovered is Cisco does not intend to have switches connected to the Nexus and it immediately disables the ports when they see BPDUs.
I found a config that does work and it does fail over from one port-channel connection to the other but with the limitation that when the original port channel comes back online it does not fail back over to the original one, an acceptable situation for us. But I am wondering if Cisco would support this design if we did experience issues down the road.
The only issue I really see is to get it to work the config is different on the two N5Ks, see the pert config below for the connections. Both are running the same OS
augs1-ba-ar17# sh ver
Cisco Nexus Operating System (NX-OS) Software
TAC support: [URL]
[Code].....
I have 7 POE switches that have ESI IP phones attached. I have two VLANS, 1 and 2. VLAN 2 is used for voice and is defined in each switch.The ESI IP phones connect to my POE switch ports and the pc attaches through the ESI IP phone.
I have had voice quality issue between floors in my building. Talking to others on my floor via the IP phone, there are no voice quality issues. [code]
We are facing issue of continous packet discards On nexus4001L link (int po2) to Nexus5020 switch. Nexus4001L is installed in IBM blade center server and we have FCOE enabled in this setup. [code]
View 2 Replies View RelatedI have been tasked to replace the existing Cat 6500 and 3750 switches by Nexus 7000 and Nexus 2000.I was told initially my boss plans to get 2 x Nexus 7000 and then eventually blow up to 4 x Nexus 7000s.For Nexus, is there a list of tasks / points that i need to consider for building the initial design?
Can i just link the Nexus 7000 like the following?
N7k-A ========= N7k-B
| |
lots of N2ks lots of N2ks
Struggle to find the SNMP MIBS of the Nexus 5000 FEX tranceivers.
View 3 Replies View Relatedwe are planning a Nexus datacenter project with this layout:Our experiences with Nexus switches are not so large until now and the manuals are very extensive.Both N5K´s should be connected directly with all 4 N2K switches. I did not find a layout like this in the manuals. Only a design,where only 2 N2K are connected to one N5K, with this fex config:Now I´m not sure if it is right to make a config like this with the same slots and fex´s or with different slots and fex´s.
View 1 Replies View RelatedConfiguring an application using routing mode on cisco ace clients ---asa--3750--cisco ace--- servers behind vip,visa card transaction servers.i am able to setup a vip on ace using routing mode on ACE,as the servers need to see the client ip ,so we are not performing SNAT,this part is working fine,when a request comes from the client ,it goes to the vip and to one of the backend servers ,and the request will be forwaded back to the ace ,as the default gateway on the servers is pointing to the server vlan on ace.but if the transaction from the servers need to go to the visa card transaction servers ,how can we achieve this ,and after fetching the data from visa servers,does the reply will be fwd to the ACE or ASAs directly.
View 1 Replies View RelatedI currently have a Cisco 891 running with a FTP running on port 21. I currently have the NAT from external IP to and internal IP 192.168.12.6 for port 21. And the firewall allowing that traffic through and client software is working fine. However I need this FTP to be running on port 990 and anytime I change the NAT and the firewall, the external FTP clients connect but then drop when recieving the directory listing.
View 10 Replies View Related