Cisco Nexus 5010 FCOE Interconnection
Hi, i would really apreciate your help on this doubt.
Is it possible to create a link between two cisco nexus 5010
using CNA interfaces ?
I've already configured the ethernet interfaces(where the cna is plugged in),
i've binded the E1/2, mapped the vsan, created specific traffic vlan, and so on ...
I have tried everything what's written in the manual but the vcf interface won't set up, keeps telling me "vcf is down" .
What am i doing wrong ? or this connection is imposible ...
Thanks in advance.
5020A.1# show vlan fcoe
Original VLAN ID Translated VSAN ID Association State
100 100 Operational
5020A.1# sho feature | grep np
npiv 1 disabled
npv 1 enabled
5020A.1# sho interface brief | grep -i fc
fc2/3 100 NP off up swl NP 4 --
fc2/4 100 NP off up swl NP 4 --
vfc15 100 F on trunking -- TF auto --
!!!here's vfc15 and it's associated interface
5020A.1# sho run int vf15
!Command: show running-config interface vfc15
!Time: Thu Feb 17 12:45:29 2011
version 5.0(2)N2(1)
interface vfc15
bind interface Ethernet1/15
no shutdown
5020A.1# show inter e1/15 status
Port Name Status Vlan Duplex Speed Type
Eth1/15 FCoE ports connected trunk full 10G 1/10g
5020A.1# sho run int e1/15
!Command: show running-config interface Ethernet1/15
!Time: Thu Feb 17 12:45:33 2011
version 5.0(2)N2(1)
interface Ethernet1/15
description FCoE ports
switchport mode trunk
switchport trunk allowed vlan 1,10,30,100
spanning-tree port type edge trunk
load-interval counter 2 30
load-interval counter 3 30
5020A.1#
5020A.1#
5020A.1#
I'd use this to get a look at FIP
ethanalyzer local sniff-interface inbound-hi detailed-dissection display-filter vlan.etype==0x8914 limit-captured 200 write bootflash:fipcap1.pcap
This is assuming that your eth1/2 is working and up.
reply w/your associated show commands
show fcoe vlan
show feature | grep np
show interface brief | grep -i fc
show vsan
sho run inter vfc x
show run inter eth x/y
show inter eth x/y status
other questions
1. what OS?
2. what vendor of CNA card?
Joe
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Can someone share with me what needs to be setup on the Cisco Nexus side to work with VMware in the following scenario?
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The Cisco Road Map for the 5010 and 5020 doesn't include extending the current total (12) FEX capabities. The 5548 and 5596 will support more (16) per 55xxk, and with the 7K will support upto 32 FEX's.
Documentation has been spotty on this subject, because the term 5k indicates that all 5000 series switches will support extended FEX's which is not the case only the 55xx will support more than 12 FEX. Maybe in the future the terminology for the 5k series should be term 5000 series and 5500 series Nexus, there are several differences and advancements between the two series. -
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Hi,
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Loader Version pr-1.3
loader> dir
bootflash:
lost+found
n5000-uk9-kickstart.5.2.1.N1.1b.bin
n5000-uk9.5.2.1.N1.1b.bin
n5000-uk9-kickstart.5.1.3.N2.1b.bin
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Mod 2 Post Completed Successfully
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nohup: redirecting stderr to stdout
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autoneg unmodified, ignoring
Checking all filesystems..... done.
Warning: switch is starting up with default configuration
Loading system software
No system image
INIT: Sending processes the TERM signal
INIT: Sending processes the KILL signal
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2012, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
switch(boot)# dir
16384 Jan 01 2005 20:57:47 lost+found/
34349568 Jan 10 2005 20:05:23 n5000-uk9-kickstart.5.1.3.N2.1b.bin
31642624 Jan 09 2005 04:23:49 n5000-uk9-kickstart.5.2.1.N1.1b.bin
172705188 Jan 10 2005 20:34:02 n5000-uk9.5.1.3.N2.1b.bin
173082673 Jan 09 2005 22:07:23 n5000-uk9.5.2.1.N1.1b.bin
Usage for bootflash: filesystem
0 bytes used
2147483647 bytes free
2147483647 bytes total
switch(boot)# load bootflash:n5000-uk9.5.1.3.N2.1b.bin
INIT: Sending processes the TERM signal
INIT: (boot)#
INIT: Sending processes the TERM signal
INIT: Sending processes the KILL signal
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2012, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
switch(boot)#
Any help greatly appreciated.Hi, I have the same problem as you.
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LMS 3.2: RME failed archive with Nexus 5010
Hi,
LMS 3.2, RME 4.3.1, dev packages updated, Windows.
We would like to archive the configuration of the Nexus 5010 switches. Due to authentication with Radius based on tokens we're not able to use telnet/SSH and therefore we only can use SNMP WRite in combination with TFTP. But, this is not working at all. Other systems like 3750 works fine. Is there a difference between Catalysts IOS and nexus NXOS?
I searched the forum and found this:
https://supportforums.cisco.com/message/663481#663481
upgrade to LMS 2.6, archive config not working anymore
We ship and start a TFTP server by default on Windows. You must have an SNMP read-write community string configured on your devices, and entered in DCR for TFTP config fetches to work. Additionally, udp/69 must be open between device and server.
The easiest way to troubleshoot this kind of problem is to start a sniffer trace on the LMS server (using Device Center > Packet Capture). Filter on all traffic to one of the failing devices. Then, run a Sync Archive job for that same device. When it fails, the sniffer trace will indicate what the problem is
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Ad OlsthoornHi Lavramov,
Yes I'm quite sure, I installed the required packages acoording to the Nexus.RME431.v2-2.readme.pdf manual. the manual tell me to install the following (see also attachement).
To install the Cisco Nexus Series Package, you must install the following dependent packages:
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- SharedSwimMDS9000.RME431.v1-6-1.zip
- SharedNetshowSS.RME431.v1-1.zip
regards
Ad -
Can't archive nexus 5010 configs (LMS 3.2)
Using LMS 3.2 I can't archive configs from
our Nexus 5010 ( 4.2(1)N1(1) ) devices . I have installed
the necessary device package Nexus.RME431.v2-4.zip. Following error occures:
*** Device Details for gf02na50050p ***
Protocol ==> Unknown / Not Applicable
Selected Protocols with order ==> SSH,SCP,TFTP,RCP,Telnet
Execution Result:
RUNNING
CM0151 PRIMARY RUNNING Config fetch failed for gf02na50050p Cause: Failed to fetch config using TFTPFailed to establish TELNET connection to 10.92.170.214 - Cause: Connection refused.
Action: Check if protocol is supported by device and required device package is installed. Check device credentials. Increase timeout value, if required.
Telnet on device is disabled, SSH enabled.
with only SSH on RME followig error:
*** Device Details for gf02na50050p ***
Protocol ==> Unknown / Not Applicable
Selected Protocols with order ==> SSH
Execution Result:
RUNNING
CM0151 PRIMARY RUNNING Config fetch failed for gf02na50050p Cause: Failed to get the start tag-Building Configuration ... in the configuration. Action: Check if protocol is supported by device and required device package is installed. Check device credentials. Increase timeout value, if required.
Thanks
IgorRME 4.3.1; windows platform
with one customer I have the same issue with a Nexus 5020. Software version is :
Software
BIOS: version 1.3.0 [last: ]
loader: version N/A
kickstart: version 4.2(1)N2(1)
system: version 4.2(1)N2(1)
power-seq: version v1.2
BIOS compile time: 09/08/09 [last: ]
kickstart image file is: bootflash:///n5000-uk9-kickstart.4.2.1.N2.1.bin
kickstart compile time: 7/28/2010 18:00:00 [07/29/2010 03:10:19]
system image file is: bootflash:/n5000-uk9.4.2.1.N2.1.bin
system compile time: 7/28/2010 18:00:00 [07/29/2010 07:18:12]
Hardware
cisco Nexus5020 Chassis ("40x10GE/Supervisor")
Intel(R) Celeron(R) M CPU with 2074284 kB of memory.
===============
following RME packages are installed:
SharedNetshowSS 1.1.2 SharedNetshowSS device package
SharedSwimMDS9000 1.6.3 SharedSwimMDS9000 device package
SharedInventoryMDS 1.5.1 SharedInventoryMDS device package
SharedDcmaSS 2.2.2 SharedDcmaSS device package
Nexus 2.4 Nexus device package
===============
>>> I see the following problems with SSH instrumentation of the Nexus Platform when looking into the debug file. The file I got is more or less the same then the one Marc posted.
The customer does not have a banner configured so the standard login procedure shows the following when login is done manually. RME automatically interpretes the first line after "Login as: " as a banner...
login as: Nexus
Nexus 5000 Switch
Using keyboard-interactive authentication.
Password:
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2010, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
devicename#
>>> and RME wants to take the last line as the prompt, resulting in a non-fatal java exception:
[line 1471 ff.]
[ Mon Aug 30 08:58:01 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.transport.cmdsvc.LogAdapter,debug,31,Learning prompt: sA[0] == 'http://www.opensource.org/licenses/lgpl-2.1.php'
[ Mon Aug 30 08:58:01 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.transport.cmdsvc.LogAdapter,debug,31,Learning prompt: sA[1] == ''
[ Mon Aug 30 08:58:01 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.transport.cmdsvc.LogAdapter,printStackTrace,51,stacktracecom.cisco.nm.lib.cmdsvc.CmdSvcException: Prompt learning failed: 'http://www.opensource.org/licenses/lgpl-2.1.php' && '' do not match.
at com.cisco.nm.lib.cmdsvc.Session.tune(Session.java:904)
at com.cisco.nm.lib.cmdsvc.Session.tune(Session.java:833)
at com.cisco.nm.lib.cmdsvc.AuthHandler.connect(AuthHandler.java:267)
at com.cisco.nm.lib.cmdsvc.OpConnect.invoke(OpConnect.java:56)
at com.cisco.nm.lib.cmdsvc.SessionContext.invoke(SessionContext.java:299)
>> Ok, RME proceeds, but the SSH implementation (SharedDcmaSS ?) cannot extract the config and a java exception occures which leads to "Closing the session":
[ Mon Aug 30 08:58:06 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.transport.cmdsvc.LogAdapter,debug,31,Returning from Session.send('show startup-config
[ Mon Aug 30 08:58:06 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.transport.cmdsvc.LogAdapter,debug,31,in trimPrompt(), prompt == ''
[ Mon Aug 30 08:58:06 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.CliOperator,fetchConfig,490,Failed to get the start tag-Building Configuration ... in the configuration.com.cisco.nm.xms.xdi.ags.config.ConfigTransportException: Failed to get the start tag-Building Configuration ... in the configuration.
at com.cisco.nm.xms.xdi.pkgs.SharedDcmaSS.transport.SSCliOperator.extractConfig2Buffer(SSCliOperator.java:176)
at com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.CliOperator.fetchConfig(CliOperator.java:436)
at com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.CliOperator.fetchConfig(CliOperator.java:510)
at com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.SimpleFetchOperation.performOperation(SimpleFetchOperation.java:61)
at com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.ConfigOperation.doConfigOperation(ConfigOperation.java:111)
at com.cisco.nm.xms.xdi.pkgs.SharedDcmaSS.transport.SSConfigOperator.fetchConfig(SSConfigOperator.java:65)
at com.cisco.nm.rmeng.dcma.configmanager.ConfigManager.updateArchiveForDevice(ConfigManager.java:1315)
at com.cisco.nm.rmeng.dcma.configmanager.ConfigManager.performCollection(ConfigManager.java:3291)
at com.cisco.nm.rmeng.dcma.configmanager.CfgUpdateThread.run(CfgUpdateThread.java:27)
[ Mon Aug 30 08:58:06 CEST 2010 ],DEBUG,[Thread-38],com.cisco.nm.xms.xdi.pkgs.LibDcma.persistor.SimpleFetchOperation,performOperation,62,FetchStatus - FAILURE for Protocol SSH for device x.x.x.x
>> As telnet and tftp are not allowed the config cannot be archived (Customer reports no problems with telnet...)
The config itself starts and ends with the following lines:
devicename# show startup-config
!Command: show startup-config
!Time: Mon Sep 6 16:41:02 2010
!Startup config saved at: Mon Aug 16 15:41:39 2010
version 4.2(1)N2(1)
no feature telnet
no telnet server enable
no feature http-server
cfs eth distribute
feature udld
feature interface-vlan
feature lacp
feature vpc
feature lldp
feature vtp
interface mgmt0
shutdown force
shutdown force
no snmp trap link-status
no snmp trap link-status
clock timezone MEZ 1 0
clock summer-time MEZS 5 sun mar 02:00 5 sun oct 03:00 60
line console
boot kickstart bootflash:/n5000-uk9-kickstart.4.2.1.N2.1.bin
boot system bootflash:/n5000-uk9.4.2.1.N2.1.bin
ip route 0.0.0.0/0 172.16.4.1
vtp mode transparent
vtp domain sap
logging server x.x.x.x 7 use-vrf default
logging server y.y.y.y 7 use-vrf default
devicename#
For me it looks like as a bug in the ssh implementation in RME, but I cannot find a bug id on CCO .... -
Ask the Expert: Cisco Nexus 2000, 5000, and 6000 Series Switches
with Cisco Expert Vinayak Sudame
Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions how to configure and troubleshoot the Cisco Nexus 2000, 5000 and 6000 Series Switches with Cisco subject matter expert Vinayak Sudame. You can ask any question on configuration, troubleshooting, features, design and Fiber Channel over Ethernet (FCoE).
Vinayak Sudame is a Technical Lead in Data Center Switching Support Team within Cisco's Technical Services in RTP, North Carolina. His current responsibilities include but are not limited to Troubleshooting Technical support problems and Escalations in the areas of Nexus 5000, Nexus 2000, FCoE. Vinayak is also involved in developing technical content for Cisco Internal as well as external. eg, Nexus 5000 Troubleshooting Guide (CCO), Nexus 5000 portal (partners), etc. This involves cross team collaboration and working with multiple different teams within Cisco. Vinayak has also contributed to training account teams and partners in CAE (Customer Assurance Engineering) bootcamp dealing with Nexus 5000 technologies. In the past, Vinayak's responsibilities included supporting MDS platform (Fiber Channel Technologies) and work with EMC support on Escalated MDS cases. Vinayak was the Subject Matter Expert for Santap Technologies before moving to Nexus 5000 support. Vinayak holds a Masters in Electrical Engineering with Specialization in Networking from Wichita State University, Kansas. He also holds Cisco Certification CCIE (#20672) in Routing and Switching.
Remember to use the rating system to let Vinayak know if you have received an adequate response.
Vinayak might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Data Center sub-community, Other Data Center Topics discussion forum shortly after the event.
This event last through Friday July 12, 2013. Visit the community often to view responses to youe questions of other community members.Hi Vinayak,
Output of "show cfs internal ethernet-peer database"
Switch 1
ETH Fabric
Switch WWN logical-if_index
20:00:54:7f:ee:b7:c2:80 [Local]
20:00:54:7f:ee:b6:3f:80 16000005
Total number of entries = 2
Switch 2
ETH Fabric
Switch WWN logical-if_index
20:00:54:7f:ee:b6:3f:80 [Local]
20:00:54:7f:ee:b7:c2:80 16000005
Total number of entries = 2
Output of "show system internal csm info trace"
Switch 1 in which "show cfs peers" show proper output
Mon Jul 1 05:46:19.145339 (CSM_T) csm_sp_buf_cmd_tbl_expand_range(8604): No range command in buf_cmd_tbl.
Mon Jul 1 05:46:19.145280 (CSM_T) csm_set_sync_status(6257): Peer RT status PSSed
Mon Jul 1 05:46:19.145188 (CSM_T) csm_sp_handle_local_verify_commit(4291):
Mon Jul 1 05:46:19.145131 csm_continue_verify_ac[597]: peer is not reachable over CFS so continuing with local verify/commit
Mon Jul 1 05:46:19.145071 csm_tl_lock(766): Peer information not found for IP address: '172.16.1.54'
Mon Jul 1 05:46:19.145011 csm_tl_lock(737):
Mon Jul 1 05:46:19.144955 (CSM_EV) csm_sp_build_tl_lock_req_n_send(941): sending lock-request for CONF_SYNC_TL_SESSION_TYPE_VERIFY subtype 0 to Peer ip = (172.16.1.54)
Mon Jul 1 05:46:19.143819 (CSM_T) csm_copy_image_and_internal_versions(788): sw_img_ver: 5.2(1)N1(2a), int_rev: 1
Mon Jul 1 05:46:19.143761 (CSM_T) csm_sp_get_peer_sync_rev(329): found the peer with address=172.16.1.54 and sync_rev=78
Mon Jul 1 05:46:19.143699 (CSM_T) csm_sp_get_peer_sync_rev(315):
Mon Jul 1 05:46:19.143641 (CSM_EV) csm_sp_build_tl_lock_req_n_send(838): Entered fn
Mon Jul 1 05:46:19.143582 (CSM_T) csm_set_sync_status(6257): Peer RT status PSSed
Switch 2 in which "show cfs peers" does not show proper output
Mon Jul 1 06:13:11.885354 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 77 seq 482
Mon Jul 1 06:13:11.884992 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd channel-group 51 mode active, cmd pseq 357 seq 369
Mon Jul 1 06:13:11.884932 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport trunk allowed vlan 2, 11, cmd pseq 357 seq 368
Mon Jul 1 06:13:11.884872 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 357 seq 367
Mon Jul 1 06:13:11.884811 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd description process_vpc, cmd pseq 357 seq 366
Mon Jul 1 06:13:11.884750 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd channel-group 51 mode active, cmd pseq 352 seq 365
Mon Jul 1 06:13:11.884690 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport trunk allowed vlan 2, 11, cmd pseq 352 seq 364
Mon Jul 1 06:13:11.884630 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 352 seq 363
Mon Jul 1 06:13:11.884568 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd description process_vpc, cmd pseq 352 seq 362
Mon Jul 1 06:13:11.884207 (CSM_EV) csm_sp_acfg_gen_handler(3011): Preparing config into /tmp/csm_sp_acfg_1733916569.txt
Mon Jul 1 06:13:11.878695 csm_get_locked_ssn_ctxt[539]: Lock not yet taken.
Mon Jul 1 06:13:11.878638 (CSM_EV) csm_sp_acfg_gen_handler(2937): Recieved sp acfg merge request for type: running cfg
Mon Jul 1 06:12:29.527840 (CSM_T) csm_pss_del_seq_tbl(1989): Freeing seq tbl data
Mon Jul 1 06:12:29.513255 (CSM_T) csm_sp_acfg_gen_handler(3106): Done acfg file write
Mon Jul 1 06:12:29.513179 (CSM_EV) csm_sp_acfg_gen_handler(3011): Preparing config into /tmp/csm_sp_acfg_1733911262.txt
Mon Jul 1 06:12:29.508859 csm_get_locked_ssn_ctxt[539]: Lock not yet taken.
Mon Jul 1 06:12:29.508803 (CSM_EV) csm_sp_acfg_gen_handler(2937): Recieved sp acfg merge request for type: running cfg
Mon Jul 1 05:53:17.651236 Collecting peer info
Mon Jul 1 05:53:17.651181 Failed to get the argumentvalue for 'ip-address'
Mon Jul 1 05:40:59.262736 DB Unlocked Successfully
Mon Jul 1 05:40:59.262654 Unlocking DB, Lock Owner Details:Client:1 ID:1
Mon Jul 1 05:40:59.262570 (CSM_T) csm_sp_del_buf_cmd(1713): Deleting comand with Id = 1
Mon Jul 1 05:40:59.262513 DB Lock Successful by Client:1 ID:1
Mon Jul 1 05:40:59.262435 Recieved lock request by Client:1 ID:1
Mon Jul 1 05:40:41.741224 ssnmgr_ssn_handle_create_get: Session FSM already present, ID:1
Mon Jul 1 05:40:41.741167 ssnmgr_handle_mgmt_request: Create/Get request received for session[process_n5kprof]
show cfs lock gives no output.
Just to further clarify, we have 4 5548UP switches in the same management vlan. 2 switches are in one location lets say location A and they are CFS peers and are working fine.
These two switches which are having problem are in location B. All the switches are in the same vlan. Essentially the all CFS multicast messages will be seen by all 5548 switches as they are in the same vlan. I am assuming that this might not create any problems as we specify the peers in the respective configurations. Or do we have to change the CFSoIPv4 multicast addresses in location B or may be configure a different region.
Regards. -
Macvtap over Cisco Nexus ...
Hi everybody!
First all my apologizes for my english language!
I have a standard server running linux (centos 6.5) with kvm to install and configure virtual machines. I tried to use macvtap driver to setup the virutal network interfaces. I not use ucs Cisco servers or Nexus 1000v switches!
The physical ethernet is connected to Cisco Nexus 2000 (with a Cisco Nexus 5548up). To default a standard switch not working with the macvtap configuration because the swith to be support "reflective relay" or "hair pinning" propierties for to this works.
Is possible configure the Cisco Nexus 5548up/2000 to this works? Capabilities how to Adapter-FEX, veheternet, VM-FEX o similars can help me?
Know you some docs over this?
Thank you all.Hi Tony,
You do not have to worry about PFC. Priority-Flow-Control is something which is related to FCOE or DCBX protocol. With iSCSI as this is a TCP traffic, you have to make sure that you have a proper QOS for the IP Subnet or VLAN that has your iSCSI hosts transmitting the data. As iSCSI rides over TCP this is the major issue that I have seen related to the valid QOS config for the traffic. There is not best practice for it but you have make sure that you added it to a class other than BE or Scavanger class.
Hope this helps.
Cheers,
-amit singh -
Hi,
I have one Nexus 7000 with a fcoe supported blade N7K-F132XP-15.
Want to deply this in the LAB. I created a fcoe port for test purpose which is working. But some things are not very clear to me. I am pointing them below.
How to create the interface membership for storage VDC. Right now i created shared interfcae with the default VDC. But can i create the interfcae dedicated? What is the difference between when the interface is shared and dedicated ?
Also, on my shared interfcae while configuring FCoE port, it did not allow me to create priority flow control settings. See the error below.
fcoe-dvt(config-if)# priority-flow-control mode auto
ERROR: pfc config not allowed on shared interface (0x1a000000)
fcoe-dvt(config-if)#
On Nexus 5020, we have priority flow control settings as "auto" for eahc fcoe interface. In the nexus 7000 case, i dont know what and how priority flow control is taking place.
Any white paper on Nexus 7000 fcoe will be greatly appreciated.
Thanks,Marko,
Yes it is supported, here is a link to the interoperability matrix for storage, also you can find CNA compatibility
here as well. It is a difficult to find on cisco.com because it has been added in with the MDS.
http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/interoperability/matrix/Matrix1.html
Thanks,
Bill -
Cisco Nexus 5548UP to Brocade SAN Connectivity
Hi,
I have a Server-SAN-Storage setup as shown in the attachment/below. There are new Cisco UCS rack mount servers with VIC 1225 and Virtual servers on VMware Esxi hypevisor connected to a new Cisco Nexus 5548UP switch in IP+FCoE mode. The new 5548 switch then connects to an existing production SAN of Brocade 48000 Director SAN switch which connects to storage in production environment.
I need to know the best way to connect the 5548 switch to the Brocade SAN switch without disrupting the existing Production SAN environment i.e. Brocade SAN switch configurations & setup e.g. Fabric Principal switch. priority etc.
Would configuring the 5548 switch in NPV mode be best practice?See Figure 6-2 Converged Multi-hop FCoE Network Design Using FCoE NPV
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/fcoe/513_n1_1/ops_fcoe/ops_fcoe_npv.html
You have to use NPV on N5k, there is no FC interop support on N5k, to connect to Brocade. -
Hi
I need a switch that supports FC, FCoE and iSCSI traffic. The switch that has been suggested to us is Cisco Nexus 5548UP.
I have the following queries regarding this switch:
1) At our end, I have AMS 2100 Hitachi Storage which has iSCSI & FC Ports. I also have Qlogic CNA card at the server end which supports both ISCSI & FCOE. For FCoE protocol based traffic, the storage to switch connection will have to be FC and the switch to server connection will be FCoE. Can you please confirm whether, if this will be possible through the proposed Cisco Nexus 5548UP switch?
2) The specification for the Nexus 5548UP switch claims that it supports 10 Gigabit Ethernet. Can you please confirm if this relates to iSCSI support that the switch provides?
3) We are going to use -SFP-FC4G-SW & SFP-10G-SR SFP for fiber connectivity. Can you please let us know the what these SFP are used for and whether they assist in FC and FCoE traffic forwarding?
4) We are also going to use Nexus 5500 Storage License, 8 Ports. Does this indicate that only 8 ports of the switch can be connected to the storage? Among these ports, can we configure 4 ports for FC and 4 ports for iSCSI (keeping in mind that our storage has both FC and iSCSI ports)?
5) Is there any License required for enable FC, FCoE and iSCSI protocols?
An early resolution of these queries will enable us to make a decision regarding the switch.
Thanks
Bhanudas MaliThe specification for the Nexus 5548UP switch claims that it supports 10 Gigabit Ethernet. Can you please confirm if this relates to iSCSI support that the switch provides?
The "UP" in the Nexus 5548 stands for Universal Port. This means that each port can support FC, FCoE and Ethernet. So, a 5548 has 32 ports of SFP/SFP+. Each port can support and push 10 Gbps at a 1:1 oversubscription rate.
There is an optional 16-port SFP/SFP+ module, N55-M16UP, which will add an additional 16 Universal Ports.
Because they are "universal" they can support 1/10 Gbps FCoE and Ethernet as well as 1, 2, 4 and 8 Gbps FC. -
Private Vlan, Etherchannel and Isolated Trunk on Nexus 5010
I'm not sure if I'm missing something basic here however i though that I'd ask the question. I recieved a request from a client who is trying to seperate traffic out of a IBM P780 - one set of VIO servers/clients (Prod) is tagged with vlan x going out LAG 1 and another set of VIO server/clients (Test) is tagged with vlan y and z going out LAG 2. The problem is that the management subnet for these devices is on one subnet.
The infrastructure is the host device is trunked via LACP etherchannel to Nexus 2148TP(5010) which than connects to the distribution layer being a Catalyst 6504 VSS. I have tried many things today, however I feel that the correct solution to get this working is to use an Isolated trunk (as the host device does not have private vlan functionality) even though there is no requirement for hosts to be segregated. I have configured:
1. Private vlan mapping on the SVI;
2. Primary vlan and association, and isolated vlan on Distribution (6504 VSS) and Access Layer (5010/2148)
3. All Vlans are trunked between switches
4. Private vlan isolated trunk and host mappings on the port-channel interface to the host (P780).
I haven't had any luck. What I am seeing is as soon as I configure the Primary vlan on the Nexus 5010 (v5.2) (vlan y | private-vlan primary), this vlan (y) does not forward on any trunk on the Nexus 5010 switch, even without any other private vlan configuration. I believe this may be the cause to most of the issues I am having. Has any one else experienced this behaviour. Also, I haven't had a lot of experience with Private Vlans so I might be missing some fundamentals with this configuration. Any help would be appreciated.Hello Emcmanamy, Bruce,
Thanks for your feedback.
Just like you, I have been facing the same problematic last months with my customer.
Regarding PVLAN on FEX, and as concluded in Bruce’s previous posts I understand :
You can configure a host interface as an isolated or community access port only.
We can configure “isolated trunk port” as well on a host interface. Maybe this specific point could be updated in the documentation.
This ability is documented here =>
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/layer2/513_N2_1/b_Cisco_n5k_layer2_config_gd_rel_513_N2_1_chapter_0101.html#task_1170903
You cannot configure a host interface as a promiscuous port.
You cannot configure a host interface as a private VLAN trunk port.
Indeed a pvlan is not allowed on a trunk defined on a FEX host interface.
However since NxOS 5.1(3)N2(1), the feature 'PVLAN on FEX trunk' is supported. But a command has to be activated before => system private-vlan fex trunk . When entered a warning about the presence of ‘FEX isolated trunks’ is prompted.
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/layer2/513_N2_1/b_Cisco_n5k_layer2_config_gd_rel_513_N2_1_chapter_0101.html#task_16C0869F1B0C4A68AFC3452721909705
All these conditions are not met on a N5K interface.
Best regards.
Karim
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