1. If one fabric interconnect becomes unavailable, the other takes over. ! CISCO UCS - Rebooting Fabric Interconnect (s) Begin by connecting to the cluster IP over SSH and checking which FI is Primary/Subordinate: Note: show cluster extended-state will provide more detailed information. Once you've successfully forced the fabric interconnect to become the primary node, you will be able to connect to UCS Manager via the cluster IP. You can configure a Cisco UCS instance to use a single fabric interconnect in a standalone configuration or to use a redundant pair of fabric interconnects in a cluster configuration. I have a UCS lab machine that I sometimes take to different locations for proof of concept work. The high-level steps are as follows: 1. connect the new FI to the network (do not connect the L1 and L2 cables) 2. console into the new FI and run through the setup wizard configuring the new FI as a "standalone" fabric interconnect 3. server / cimc /network # Cisco UCS C-Series Servers Integrated Management Controller CLI Command Reference, Release 1.1(2) OL-22895-01 19 Commands ping. Along with the Cisco UCS 6454 Fabric Interconnect comes the Cisco UCS Manager 4.0 code line. Connect to the console port of Fabric Interconnect 1 which will be the primary member in the cluster. This mapping of Ethernet traffic is known as LAN pin groups. UCS Configuration. Under the General tab in the main screen there is Actions and then Management Interfaces. Lesson 3: Fabric Interconnect Modes An attacker could . 3. One of the things I regularly have to do is change the password and hostname. The whole UCSPE comes with the following-i. The first time that you access a fabric interconnect in a Cisco UCS instance, a setup wizard prompts you for the following information required to configure the system: Installation method (GUI or CLI) Setup mode (restore from full system backup or initial setup) System configuration type (standalone or cluster configuration) System name Example: loader> set ip 10.104.105.136 255.255.255. This is known as Adapter FEX. Four 10GE uplinks per FEX IO Module. When you change the Ethernet switching mode, Cisco UCS Manager logs you out and restarts the fabric interconnect. Stage 2 On the Equipment tab, extend Equipment > Chassis > Chassis Number > Servers. I would run it by Cisco first, I assume you have TAC support for this so I'd use it. Following on from cabling our Cisco UCS infrastructure we will first begin to configure the Fabric Interconnects using the Basic System Configuration Dialog. Click Management Interfaces. interface GigabitEthernet0/1 ip address 192.168.1.1 255.255.255. ip nat . Connect to UCS domain using IP address, username and password. ! Login to the UCS manager . A cluster configuration provides high availability. 2 x FEX (Model: Nexus 2348UPQ N2K-C2348UPQ) iii. Cisco UCS chassis and Fabric Interconnect. First, when you connect to the NX-OS instance running on a Fabric Interconnect and show the interface status for a particular vNIC, you can clearly see that the bound interface is now a port-channel, not a specific HIF: UCS-POD01-A (nxos)# show int veth801 Vethernet801 is up Bound Interface is port-channel1281 ! Cisco UCS Manager also lets you manage all of the Cisco Servers you have connected to your Fabric Interconnect pair in one handy interface. You can add a second fabric interconnect to an existing Cisco UCS domain that uses a single standalone fabric interconnect. 6. . To do this, you must enable the standalone fabric interconnect for cluster operation by configuring it with the virtual IP address of the cluster, and then add the second fabric interconnect to the cluster. Navigate to one of your working KVM ip addresses in a web browser and you can access the KVM of the blade outside of UCS Manager. The unified ports allow the fabric interconnect to support direct connections from Cisco UCS to Fibre Channel, FCoE, and Small Computer System Interface over IP (iSCSI) storage devices." Pricing looks really good on these as well, and should knock a significant chunk of change off a B-Series sale for the SMB market. Not sure if . Configure as FCoE Storage port. The UCS Blade has been setup and configured with the Management Interfaces configured on a 192.168.254.x network, I can ping the Virtual IP's and the Fabric Interconnect IP's from any other network. The configuration Use-case: Cisco UCS Version 2.2 (1d) Redundant Cisco UCS Fabric Interconnects (6296UP or 6248UP) Single Cisco UCS Chassis with two 8 Port FEX IO Modules. To get around this, you can use the following command to force the fabric interconnect that is stuck in limbo to become primary node: connect local-mgmt cluster force primary. The way to properly boot the fabric interconnect from the loader prompt is to restart the fabric interconnect: Boot the fabric interconnect with the kickstart and system bin files as such: boot ucs-6100-k9-kickstart.4.1.3.N2.1.11.bin ucs-7100-k9-system.4.1.3.N2.1.1l.bin. 2. Enter your fabric interconnect IP address hitting the return key and then inputting your creds. The UCS Manager is tied to a virtual IP address and the management database is replicated on the secondary Fabric Interconnect so failure of a single interconnect should not affect data collection. ! The servers that a pair of Fabric Interconnects can support is called a UCS Domain. You can configure a Cisco UCS instance to use a single fabric interconnect in a standalone configuration or to use a redundant pair of fabric interconnects in a cluster configuration. Stage 3 Click the server for which you need to arrange an IP address. To do this, you must enable the standalone fabric interconnect for cluster operation by configuring it with the virtual IP address of the cluster, and then add the second fabric interconnect to the cluster. The Cisco UCS 6296UP 96-Port Fabric Interconnect is a core part of the Cisco unified computing system. This is because the Cisco VIC is a Fabric Extender in mezzanine form factor. Power on this Fabric Interconnect leaving the secondary Interconnect powered off for now. If I ping it them from a server on the 192.168.254.x, "I get a Destination host unreachable." This is a pretty standard wiring configuration that eliminates single points of failure. Once you have connected enter the following cmd to bring up a list of all the blades (service profiles) and their associated vHBA WWN's: PS C . Typically deployed in redundant pairs, the Cisco UCS 6296UP Fabric Interconnects provide uniform access to both networks and storage. Procedure Change cluster IPs on the Management Interfaces screen. Select Equipment view, and then your first fabric interconnect Ensure that ethernet mode is set to "End Host" . This procedure describes setting up the second fabric interconnect using IPv4 or IPv6 addresses for the management port. Procedure Repeat the same for Fabric Interconnect - B. 3.Pooled - An administration IP address is allocated to the administration profile from the administration IP address pool. Nice, which is how I actually expected this to work. ! In cluster configuration, FIs create primary secondary affiliation for control data traffic flow whereas data plane forwards simultaneously on both Fabric Interconnects. Lesson 2: Initial UCS Configuration . it's from 2014 ! Change the Virtual IP address. Log into your Cisco UCS Chassis. This "workflow" doesn't perform an action and was created to give our asset managers insight into our UCS infrastructure. Eight part series, describing how to configure a Cisco UCS from start to finish for a vSphere deployment: Cisco UCS Configuration Guide - Part 1 ! 2 x Fabric Interconnect (Model: UCS-FI-6332-16UP) ii. UCS-A /fabric-interconnect # setout-of-bandip192..2.111netmask255.255.255.0gw192..2.1 UCS-A /fabric-interconnect* # scopefabric-interconnectb Question. Traffic from individual server's vNICs is mapped to a specific Fabric Interconnect uplink port or port channel. Pin groups can be configured as a static or dynamic pin group. ! interface GigabitEthernet0/0 ip address dhcp ip nat outside ip virtual-reassembly in duplex auto speed auto ! Close. gateway-ip-address Step 4 Cisco UCS Manager CLI Configuration Guide, Release 1.4 OL-24088-03 9 . Select the equipment pane and navigate it to Fabric Interconnect - > Fabric Interconnect A - > Fixed Module - > "Un-configured Ethernet ports" - > Select the port (Which you want to configure as FCoE). This stops your systems from going offline during the upgrade of the A fabric interconnect. Two Cisco UCS Half Blade Servers (2 sockets) with a single VIC each. A UCS Fabric Interconnects pair can be configured in a high-availability cluster. Next key concept: The cable between the FEX and the Fabric Interconnect is not a standard 802.1Q trunk, as with all FEX technologies you can think of these cables as "The Backplane" connecting the Control Plane (FI) to the Data Plane . Physical connectivity directly between the Fabric Interconnect L1/L2 ports (for clustering purposes) Physical connectivity between the Fabric Interconnects and Fabric Extenders Document port assignments for Server and Uplink ports IP address assignments for each Fabric Interconnect, and cluster IP address (must all be on the same subnet) Before You Begin Verify the following physical connections on the fabric interconnect: A console port on the second fabric interconnect is physically connected to a computer terminal or console server Verify that the connection has been made to the expected system by checking the prompt which shows the system name and executing show version command. This means cluster control traffic flow is controlled only by primary node whereas network . Connect to the NXOS mode on fabric interconnect A and verify the output of show version command. An attacker could exploit this vulnerability by sending crafted CFSoIP packets to an affected device. interface Embedded-Service-Engine0/ no ip address shutdown ! To reset the fabric interconnect on a Cisco UCS 6100 series, connect via your serial cable or use putty to ssh in to your fabric, and use the following commands: connect local-mgmt [enter] reboot [enter] Obviously you leave out the space after the command, and the [enter] should be replaced by you actually pressing the enter key. Go to UCS Central on the left-pane tree. If one fabric interconnect becomes unavailable, the other takes over. ! Example: loader> Step 2 Configure the interface to receive the kickstart image through TFTP. Having confirmed the 'B' fabric switch is the subordinate connect to FI-B mgmt cli interface: Before rebooting, please take a . Cisco UCS modules are in the default WFA location (edit the commands as needed) This workflow displays the data from the most recent UCS acquisition including the FI, chassis, blade, and IOM info for each UCS domain. This is part 2 of the Cisco UCS Configuration Guide. The latest UCSPE is version 3.1(2ePE1). This post is broken into two components: the physical Cisco UCS installation and the initial configuration of the Cisco UCS. For a cluster configuration, Cisco UCS Manager restarts both fabric interconnects sequentially. Log into the UCSM GUI and go to the Admin tab. Your GUI session will disconnect because of the change. On the left hand side expand your fabric. Once the boot process has completed, the IP address assigned earlier . Here's how you do it on the command line: KCTest-A# scope fabric-interconnect a KCTest-A /fabric-interconnect # set out-of-band ip 10.1.1.23 netmask 255.255.255. gw 10.1.1.1 Procedure 0 Helpful Share Reply nur fahmi hamdika Beginner In response to Tausif Gaddi Options 09-04-2013 03:59 AM Hi, Enter the local IP address and subnet mask for the system at the loader> prompt, and press Enter . A vulnerability in the network stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to bypass certain security boundaries or cause a denial of service (DoS) condition on an affected device. CIMC devices are unmanaged standalone servers with an XML API that is consistent with the one used by UCSM. Procedure This lesson explains the physical and logical components needed for initial configuration of the UCSDomain and demonstrates the process of initial setup. Note that I find it rather dumb to have my KVM management ips and Fabric Interconnects on the same vlan as a rule, however since this is how its supposed to work I . A cluster configuration provides high availability. The vulnerability is due to the affected device unexpectedly decapsulating and processing IP in IP packets that are destined to a locally configured IP address. The change over will be pretty much instantaneous. First, the ports on the Fabric Interconnects need to be assigned as Appliance Ports. In this mode, UCS Fabric Interconnect is presented to the northbound LAN switch as an end host with many adapters. Connect via SSH directly to Fabric Interconnect IP address. Specifications General Device Type: Switch - 48 ports - managed Enclosure Type: Rack-mountable 2U Once connected you can run the below commands to make the newly updated fabric interconnect the lead FI within the environment. The storage will be linked directly to the fabric via 10GbE cables on port 1/30 and 1/32 on both interconnects. Specify the IP address of the default gateway. Management Port IP Address . Change the Communication Services radio button from Global to Local, and then click Save Changes. Such items include: Fabric Interconnects, IO Modules, Chassis, Blade servers, and Cisco VICs. Select the ports that need to be assigned . Cisco UCS C-Series Servers Integrated Management Controller CLI Command Reference, Release 1.1(2) OL-22895-01 1 scopefirmware(bios),page30 scopehttp,page31 scopeimport-export,page32 . Stage 1 In the Navigation sheet, click the Equipment tab. 4. Cisco made UCSPE available to everyone - you only need to have a Cisco login. You can add a second fabric interconnect to an existing Cisco UCS domain that uses a single standalone fabric interconnect. A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. Firstly launch the UCS PowerTool and Connect to the UCS system by issuing the cmd: PS C:\> Connect-Ucs. This vulnerability is due to insufficient validation of incoming CFSoIP packets. The second fabric interconnect can take several minutes to complete the change in Ethernet switching mode and become system ready. 3 x UCS 5108 Chassis with 12 x different model blades To change the subnet for a Cisco UCS domain, you must simultaneously change all subnets, the virtual IP address used to access Cisco UCS Manager, and the IP addresses for all fabric interconnects.
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