Trunking nexus 5596 and netapp or exsi issue
hi
i have 2 issues with trunking between nexus 5596 and a esxi server .....can not get the servers to ping out
and the netapp connected to the same 5596 cannot ping.
if the server is a access port it works fine.
is there any tricks that are required to be configured on the nexus to make this work.
Make sure we are actually tagging for those vlans on the host (Netapp/ESXi). If we are not, then this would explain why it works in access mode on the switch.
Similar Messages
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Nexus 5596 and QOS config guide
Hi,
I need to implement qos on a nexus device for a client
Basically what I am trying to implement is this but on the nexus
Policy Map Enhanced_QoS_Customer_Out
Description: Enhanced QoS customers outbound Percentages
Class Cust_VoIP_Out
priority 30 (%)
Class Cust_Gold_Out
bandwidth 30 (%)
Class Cust_Silver_Out
bandwidth 13 (%)
Class Cust_Bronze_Out
bandwidth 2 (%)
Policy Map Ethernet_QoS_Customer_Out_200Mb
Class class-default
Average Rate Traffic Shaping
cir 200000000 (bps)
service-policy Enhanced_QoS_Customer_Out
Is this possible on the nexus 5596?
I havent found much information around shaping.. Please advise if the above policy is achelievable on the nexus and if not what does the nexus support?
regards,Hi,
I don't think the 5500 support shaping since it is mostly a layer-2 device. Here is the config guide for QOS.
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/QoS.html
HTH -
I am having a problem with getting the Qlogic 8150 working in a windows 2008 R2 server. I have the SAN connectivity working but I am having problem with the networking.
I have setup VLAN 666 as the data vlan
On the ethernet trunk I have setup
ethernet 1/17
switchport mode trunk
switchport trunk allowed vlan 666 spanning-tree port type edge trunk
This does not work but if I allow VLAN 1 on the trunk it works and I have full IP connectivity.
switchport trunk allowed vlan 666,1 Any ideas why adding VLAN 1 on the trunk makes everything workThanksYou set vlan 666 as the VlanID under the Qlogic adapter advanced properties, right? Should be the last value in the scroll box.
-
Cisco Nexus 5596 and Brocade 5300 compatibility
Hi
We have designed the SAN network with Brocade5300 connected to Nexus5596. we want to know about the campatibility of these two switches.
I can't find any compatibility matrix with this detail.
i would appreciate it if you let me know about your experience.
Thank youAmir,
Check this.
http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/interoperability/matrix/Matrix7.html
I am not sure how recent it is and when this testing was done. I would suggest you to run " Gateway mode" AKA NPIV mode for Cisco and test this with Brocade 5300. It should work fine.
Hope this helps.
Cheer,-amit singh -
In this document:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/interfaces/602_n1_1/N5K_Interfaces_Ops_Guide/n5k_qsfp-_portsoperations.html
I read that "There is no additional configuration needed to specify the operation mode of the QSFP+ ports because all the ports only operate in 4 x10 Gigabit Ethernet mode". Is this hw or sw related? If sw, when will it be available for running 40G instead og 4x10G?
GeirHi,
I don't think the 5500 support shaping since it is mostly a layer-2 device. Here is the config guide for QOS.
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/QoS.html
HTH -
VPC trouble - link flapping between C3750 stack and Nexus 5596
Hi All,
I have configured 1 vPC's between 2 Nexus 5596 and 1 stack C3750 switch. The links in the stack are distributed over both members.
Gi1/1/1 -> Eth 1/44 NX 5596-02
Gi 2/1/1 -> Eth 1/45 NX 5596-02
Gi 1/1/2 -> Eth 1/46 NX 5596-01
Gi 2/1/2 -> Eth 1/47 NX 5596-01
The same logic is for another stack C3750 to the same pair of Nexus 5596 switches.
The problem is that the links from the vPCs keep flapping at random moments - 1-2 times per hour.
The network is not loaded at this time and the same issue is on both vPC's.
the flaps in the nexus 5596 looks like this
%ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel108: Ethernet1/44 is down
%ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel108: first operational port changed from Ethernet1/44 to Ethernet1/45
%ETHPORT-5-IF_DOWN_INITIALIZING: Interface Ethernet1/44 is down (Initializing)
%ETH_PORT_CHANNEL-5-PORT_UP: port-channel108: Ethernet1/44 is up
%ETHPORT-5-IF_UP: Interface Ethernet1/44 is up in mode trunk
On the stack is just up/down the pair interface.
I started few debugs on the stack and captured the folowing output:
C3750X-02#im_if_stack_relationship_add: Posting the ACP job for stack add for 5018.10902
im_if_stack_relationship_add: Posted the ACP job for stack add successfully
im_add_ifstackentry: higher_if_index = 5018 lower_if_index = 10902
im_add_ifstackentry: Failed to delete nolayerelem from NoLowerLayerTree for higher_ifIndex = 5018
im_add_ifstackentry: Failed to delete nolayerelem from NoHigherLayerTree for lower_ifIndex = 10902
im_add_ifstackentry: Deleted nolayerelems from NoHigherLayerTree and NoLowerLayerTree
im_add_ifstackentry: Failed to insert stackelem into StackTree
Jul 12 03:35:26.122: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet2/1/2, changed state to downim_if_stack_relationship_add: Posting the ACP job for stack add for 5018.10902
im_if_stack_relationship_add: Posted the ACP job for stack add successfully
im_add_ifstackentry: higher_if_index = 5018 lower_if_index = 10902
im_add_ifstackentry: Failed to delete nolayerelem from NoLowerLayerTree for higher_ifIndex = 5018
im_add_ifstackentry: Failed to delete nolayerelem from NoHigherLayerTree for lower_ifIndex = 10902
im_add_ifstackentry: Deleted nolayerelems from NoHigherLayerTree and NoLowerLayerTree
im_add_ifstackentry: Failed to insert stackelem into StackTree
Jul 12 03:35:29.058: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet2/1/2, changed state to up
Do someone have any idea what happens here ?
The configuration is ok because i have another vPC connected to FEX's and is working fine.
Kind regards,Hello,
Problem solved after upgrade to the last version of NX OS 6.0.2.N2.3
BR, -
Nexus 5596 FC-Port Link-Events
Hi all,
int the last 3 weeks,
almost every day , we have a series of events in the connection between one Nexus 5596 and one of our servers. The connection is in FC (4G).
I need help to understand the output of the following command to troubleshoot what could be happening.
Sw-cpd-mm-n5k-2# show hardware internal fc-mac 3 port 14 link-event
MMDDYY HHMMSS usecs Event Current State
- - LINK_ACTIVE
100113 020845 773895 (0001) E_LINK_IDLE LINK_LRR_RX
100113 020845 765016 (0000) E_LINK_LRR LINK_LR_TX
100113 020845 763545 (61CB28) E_LINK_LINK_RESET LINK_ACTIVE
Sw-cpd-mm-n5k-2# show hardware internal fc-mac 3 port 14 port-event
MMDDYY HHMMSS usecs Event Current State
- - IPS_LINK_UP
100113 020845 775908 (0000) E_IPS_LINK_INIT_SUC IPS_LINK_UP
100113 020845 775907 (0000) E_IPS_IDLE IPS_LINK_UP
100113 020845 770040 (0001) E_IPS_LRR IPS_LINK_UP
100113 020845 763562 (61CB28) E_IPS_CREDIT_LOSS IPS_LINK_UP
Looking at the output I don't know who generates "E_LINK_LINK_RESET" , Nexus switch or server?
Thanks in advance!Hi,
I know it is a little bit late, but hope it can still be of use...
According to the log output, The switch detects a Credit Loss condition
00113 020845 763562 (61CB28) E_IPS_CREDIT_LOSS IPS_LINK_UP
and to recover from it, the switch resets the link by sending a LR to the server
100113 020845 763545 (61CB28) E_LINK_LINK_RESET LINK_ACTIVE
the server replies with a LRR, IDLE, etc.
100113 020845 765016 (0000) E_LINK_LRR LINK_LR_TX
Kind rgds,
Felipon -
Interoperability issues between Nexus 5k and HP storageworks (8/20q)
Hello community,
I am trying to get a VM host and a windows server to connect to their storage across a nexus and HP (Qlogic) fabric switch. This is currently having issues with the VM host unable to see the datastores, possibly due to interoperability between Cisco and HP (Qlogic)
I have configured and tested the connectivity using only the cisco nexus and this worked, I then tested it using only the HP fabric switch (HP 8/20q) and this also worked.
However, when using the HP and Cisco Nexus as shown in the attached diagram, things stop working.
The connection is using Native Fibre channel, On the Cisco side I performed the following steps
Configured the Nexus with Domain ID 10 and the HP with Domain ID 20.
Connected the 2 fabric switches on fc1/48 (Cisco) and port 0 (HP) and confirmed that the ISL came up (E_port 8G), I confirmed connectivity using fcping both ways.
I connected the SAN to the Nexus and the servers to the HP
Configured VSAN 10
Added interfaces fc1/41 to 48 in VSAN 10
Created 2 zones ( ESXI and Windows)
Added the PWWN for the ESXI server and the MSA2040 to the ESXI zone
Added the PWWN for the Windows 2k8 server and MS2040 to the Windows zones
Created zoneset (Fabric-A) and added both the above zones in it
Activated the FABRIC-A zoneset
The result is that the zones and zoneset are synchronised to the HP switch .I confirmed that I was able to see the servers and SAN WWN in the correct zones on the HP.
From the 8/20q switch I am able to fcping the SAN, Nexus and servers, however the Nexus is only able to fcping the SAN and the HP, it returns a “no response from destination” when pinging the servers.
I have added the FCID for all the units in the same zones to see if it makes any difference to no avail the result seem to be the same. I have gone through various Nexus/MDS/HP/Qlogic user guides and forums; unfortunately I have not come across any that shows this specific topology.
source for HP user guide is here: http://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c02256394
I’m attaching the nexus config and partial view of the “show interface brief” showing the fibre channel port status
Interface Vsan Admin Admin Status SFP Oper Oper Port
Mode Trunk Mode Speed Channel
Mode (Gbps)
fc1/47 10 auto on up swl F 8 --
fc1/48 10 auto on up swl E 8 --
Any help and advice would be greatly appreciated. thanks in advanceHi all, after much reading, Walter Dey provided the hint to put me on the right track.
By default the Nexus 5k is in interop mode 1. However, one of the requirement for this to be "interoperable" with other vendor the FCDomain ID in the entire fabric needs to be between 97 and 127 as stated in the Cisco website.
http://www.cisco.com/en/US/docs/storage/san_switches/mds9000/interoperability/guide/ICG_test.html
Another issue that had me and my colleague scratching our heads, was that we were seeing high level of CRC errors on the ISL interfaces. This was caused by ARBFF settings mismatch between the Nexus and the HP. This was resolved by ensuring that the ARBFF setting on the HP was set to false and the command "switchport fill-pattern ARBFF speed 8000" is configured on the ISL interface linking the 2 switches. (note that Cisco's default setting for the ports is IDLE, until this is changed the link will not stabilise)
Thanks for all your help guys. -
We have a pair of Nexus 5596 switches, that each have a 1 gigabit conection to ISP CE switches (ME3400).
Switch 1 has a fibre connection using GLC-SX-MM with the following information...
sh int e1/48 trans
Ethernet1/48
transceiver is present
type is SFP-1000BASE-SX
name is CISCO-AVAGO
part number is SFBR-5766PZ-CS2
revision is
serial number is AGA1549L2BE
nominal bitrate is 1300 MBit/sec
cisco id is --
cisco extended id number is 4
I cannot get the port to come up on switch 2, transceiver info...
sh int e1/48 trans
Ethernet1/48
transceiver is present
type is SFP-1000BASE-SX
name is CISCO-AVAGO
part number is SFBR-5766PZ-CS2
revision is
serial number is AGA1549L2BE
nominal bitrate is 1300 MBit/sec
cisco id is --
cisco extended id number is 4
The port is up on the ISP switch, but down on the N5K...
Ethernet1/48 is down (Link not connected)
Hardware: 1000/10000 Ethernet, address: 547f.ee41.e337 (bia 547f.ee41.e337)
Description: Intech WAN ME3400-1 (BT)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 255/255, rxload 255/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped 00:31:00
Last clearing of "show interface" counters 00:00:47
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
input rate 242.30 Gbps, 163.37 Mpps; output rate 63.30 Gbps, 231.54 Mpps
RX
17828772964 unicast packets 2506759 multicast packets 991 broadcast packets
17831280714 input packets 3305852407174 bytes
897530002 jumbo packets 0 storm suppression bytes
20 runts 0 giants 0 CRC 0 no buffer
20 input error 0 short frame 0 overrun 0 underrun 0 ignored
0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
0 input with dribble 0 input discard Ethernet1/48 is down (Link not connected)
Hardware: 1000/10000 Ethernet, address: 547f.ee41.e337 (bia 547f.ee41.e337)
Description: Intech WAN ME3400-1 (BT)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 255/255, rxload 255/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped 00:31:00
Last clearing of "show interface" counters 00:00:47
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
input rate 242.30 Gbps, 163.37 Mpps; output rate 63.30 Gbps, 231.54 Mpps
RX
17828772964 unicast packets 2506759 multicast packets 991 broadcast packets
17831280714 input packets 3305852407174 bytes
897530002 jumbo packets 0 storm suppression bytes
20 runts 0 giants 0 CRC 0 no buffer
20 input error 0 short frame 0 overrun 0 underrun 0 ignored
0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
0 input with dribble 0 input discard
I have tested the SFP's in use on a pair of 2960's & they work fine!
If i replace the SFP's for copper, then they work fine also.
Does anyone know of any incompatibility issue with this SFP?
Thanks
ColinDid you try a different port such as e1/1? Sounds like a bug to me
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/data_sheet_c78-618603.html
Table 2.
Cisco Nexus 5500 Platform Transceiver Support Matrix -
Nexus 4001i and MST tons of log errors
Went looking through my Nexus 4001i logs today, and started noticing a bunch of STP role and port change messages:
2013 Jul 5 14:40:31 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/1 instance MST0000 role changed to designated
2013 Jul 5 14:40:31 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port port-channel2 instance MST0000 role changed to alternate
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port port-channel1 instance MST0000 role changed to root
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/14 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/14 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/13 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/13 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/12 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/12 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/11 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/11 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/10 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/10 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/9 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/9 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/8 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/8 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/7 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/7 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/6 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/6 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/5 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/5 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/4 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/4 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/3 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/3 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/2 removed as MST Boundary port
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/2 instance MST0000 role changed to designated
2013 Jul 5 14:40:32 N4k-SLOT7-SW1 %STP-6-MST_PORT_BOUNDARY: Port Ethernet1/1 removed as MST Boundary port
After going through a variety of configuration validations, spanning-tree root and priority validations as well as making sure the instances and revisions between the various MST speaking switches (all of the Nexus gear including Nexus 5596 which are vPC peers, 4001i's which connect via vPC's to the 5596's, and Catalyst 3110X's which also use MST, but only have one uplink at this time to the 5596's not in a vPC setup).
None of the other devices appear to be experiencing this problem.
I am quite confused as to what is going on, and cannot figure out why the 4001i is wigging out like this.
A quick output of MST::
N4k-SLOT7-SW1# show spanning-tree mst
##### MST0 vlans mapped: 801-3109,3111-4094
Bridge address 6073.5c8d.7e82 priority 24576 (24576 sysid 0)
Root address 0023.04ee.be03 priority 16384 (16384 sysid 0)
port Po1 path cost 0
Regional Root address 0023.04ee.be03 priority 16384 (16384 sysid 0)
internal cost 500 rem hops 19
Operational hello time 2 , forward delay 15, max age 20, txholdcount 6
Configured hello time 2 , forward delay 15, max age 20, max hops 20
Interface Role Sts Cost Prio.Nbr Type
Po1 Root FWD 500 32.4096 P2p
Po2 Altn BLK 1000 64.4097 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
##### MST1 vlans mapped: 2-499,600-800,3110
Bridge address 6073.5c8d.7e82 priority 24577 (24576 sysid 1)
Root address 0023.04ee.be03 priority 16385 (16384 sysid 1)
port Po1 cost 500 rem hops 19
Interface Role Sts Cost Prio.Nbr Type
Po1 Root FWD 500 128.4096 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
##### MST2 vlans mapped: 1,500-599
Bridge address 6073.5c8d.7e82 priority 24578 (24576 sysid 2)
Root address 0023.04ee.be03 priority 16386 (16384 sysid 2)
port Po2 cost 1000 rem hops 19
Interface Role Sts Cost Prio.Nbr Type
Po2 Root FWD 1000 128.4097 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
N4k-SLOT7-SW1# show spanning-tree detail | i occur|from|exec
MST0000 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 1 last change occurred 3:48:09 ago
from port-channel1
MST0001 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 1 last change occurred 3:48:07 ago
from port-channel1
MST0002 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 1 last change occurred 3:48:07 ago
from port-channel2
(topology change was due to testing rapid-PVST for this switch, and then putting it back, the previous change occured 555 hours ago).
N4k-SLOT9-SW2# show spanning-tree
MST0000
Spanning tree enabled protocol mstp
Root ID Priority 16384
Address 0023.04ee.be03
Cost 0
Port 4096 (port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24576 (priority 24576 sys-id-ext 0)
Address 2c54.2ded.b704
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Root FWD 500 128.4096 P2p
Po2 Altn BLK 1000 128.4097 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
MST0001
Spanning tree enabled protocol mstp
Root ID Priority 16385
Address 0023.04ee.be03
Cost 500
Port 4096 (port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24577 (priority 24576 sys-id-ext 1)
Address 2c54.2ded.b704
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Root FWD 500 128.4096 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
MST0002
Spanning tree enabled protocol mstp
Root ID Priority 16386
Address 0023.04ee.be03
Cost 1000
Port 4097 (port-channel2)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24578 (priority 24576 sys-id-ext 2)
Address 2c54.2ded.b704
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po2 Root FWD 1000 128.4097 P2p
Eth1/1 Desg FWD 2000 128.129 Edge P2p
Eth1/2 Desg FWD 2000 128.130 Edge P2p
Eth1/3 Desg FWD 2000 128.131 Edge P2p
Eth1/4 Desg FWD 2000 128.132 Edge P2p
Eth1/5 Desg FWD 2000 128.133 Edge P2p
Eth1/6 Desg FWD 2000 128.134 Edge P2p
Eth1/7 Desg FWD 2000 128.135 Edge P2p
Eth1/8 Desg FWD 2000 128.136 Edge P2p
Eth1/9 Desg FWD 2000 128.137 Edge P2p
Eth1/10 Desg FWD 2000 128.138 Edge P2p
Eth1/11 Desg FWD 2000 128.139 Edge P2p
Eth1/12 Desg FWD 2000 128.140 Edge P2p
Eth1/13 Desg FWD 2000 128.141 Edge P2p
Eth1/14 Desg FWD 2000 128.142 Edge P2p
N4k-SLOT9-SW2# show spanning-tree detail | i occur|from|exec
MST0000 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 18758 last change occurred 4:01:03 ago
from port-channel1
MST0001 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 45742 last change occurred 4:01:02 ago
from port-channel1
MST0002 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 21007 last change occurred 599:47:47 ago
from port-channel2
N4k-SLOT9-SW2#
N5596-DC-SW1# show spanning-tree
MST0000
Spanning tree enabled protocol mstp
Root ID Priority 16384
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384 (priority 16384 sys-id-ext 0)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Desg FWD 1000 128.4096 P2p
Po2 Desg FWD 200 128.4097 (vPC) P2p
Po3 Desg FWD 200 128.4098 (vPC) P2p
Po57 Desg FWD 200 128.4152 (vPC) P2p
Po100 Desg FWD 1000 128.4195 (vPC peer-link) Network P2p
Eth1/15 Desg FWD 2000 128.143 Edge P2p
Eth1/16 Desg FWD 2000 128.144 Edge P2p
MST0001
Spanning tree enabled protocol mstp
Root ID Priority 16385
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16385 (priority 16384 sys-id-ext 1)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po2 Desg FWD 200 128.4097 (vPC) P2p
Po3 Desg FWD 200 128.4098 (vPC) P2p
Po57 Desg FWD 200 128.4152 (vPC) P2p
Po100 Desg FWD 1000 128.4195 (vPC peer-link) Network P2p
MST0002
Spanning tree enabled protocol mstp
Root ID Priority 16386
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16386 (priority 16384 sys-id-ext 2)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Desg FWD 1000 128.4096 P2p
Eth1/15 Desg FWD 2000 128.143 Edge P2p
Eth1/16 Desg FWD 2000 128.144 Edge P2p
N5596-DC-SW1# show spanning-tree detail | i occur|from|exec
MST0000 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 44578 last change occurred 4:11:57 ago
from port-channel2
MST0001 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 98707 last change occurred 4:11:55 ago
from port-channel2
MST0002 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 4 last change occurred 4:11:55 ago
from port-channel1
N5596-DC-SW2# show spanning-tree
MST0000
Spanning tree enabled protocol mstp
Root ID Priority 16384
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384 (priority 16384 sys-id-ext 0)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Desg FWD 1000 128.4096 P2p
Po2 Desg FWD 200 128.4097 (vPC) P2p
Po3 Desg FWD 200 128.4098 (vPC) P2p
Po57 Desg FWD 200 128.4152 (vPC) P2p
Po100 Root FWD 1000 128.4195 (vPC peer-link) Network P2p
Eth1/9 Desg FWD 20000 128.137 P2p
Eth1/15 Desg FWD 2000 128.143 Edge P2p
Eth1/16 Desg FWD 2000 128.144 Edge P2p
MST0001
Spanning tree enabled protocol mstp
Root ID Priority 16385
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16385 (priority 16384 sys-id-ext 1)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po2 Desg FWD 200 128.4097 (vPC) P2p
Po3 Desg FWD 200 128.4098 (vPC) P2p
Po57 Desg FWD 200 128.4152 (vPC) P2p
Po100 Root FWD 1000 128.4195 (vPC peer-link) Network P2p
Eth1/9 Desg FWD 20000 128.137 P2p
MST0002
Spanning tree enabled protocol mstp
Root ID Priority 16386
Address 0023.04ee.be03
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16386 (priority 16384 sys-id-ext 2)
Address 0023.04ee.be03
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po1 Desg FWD 1000 128.4096 P2p
Eth1/9 Desg FWD 20000 128.137 P2p
Eth1/15 Desg FWD 2000 128.143 Edge P2p
Eth1/16 Desg FWD 2000 128.144 Edge P2p
N5596-DC-SW2# show spanning-tree | i occur|from|exec
N5596-DC-SW2# show spanning-tree detail | i occur|from|exec
MST0000 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 44234 last change occurred 4:12:45 ago
from port-channel100
MST0001 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 97804 last change occurred 4:12:43 ago
from port-channel100
MST0002 is executing the mstp compatible Spanning Tree protocol
Number of topology changes 49801 last change occurred 599:58:06 ago
from Ethernet1/9
Except from MST configs:
Nexus 4001i switches:
vlan 1,301-499
vlan 500
fip-snooping enable
vlan 600-800
spanning-tree mode mst
spanning-tree pathcost method long
spanning-tree mst 0-2 priority 24576
spanning-tree mst configuration
revision 1
instance 1 vlan 2-499,600-800,3110
instance 2 vlan 1,500-599
Nexus 5596 switches:
N5596-DC-SW1
spanning-tree mode mst
spanning-tree pathcost method long
spanning-tree mst 0-2 priority 16384
spanning-tree pseudo-information
mst 0-2 root priority 16384
mst 0-2 designated priority 16384
spanning-tree mst configuration
revision 1
instance 1 vlan 2-499,600-800,3110
instance 2 vlan 1,500-599
N5596-DC-SW2
spanning-tree mode mst
spanning-tree pathcost method long
spanning-tree mst 0-2 priority 16384
spanning-tree vlan 3110 priority 24576
spanning-tree pseudo-information
mst 0-1 designated priority 20480
mst 2 designated priority 16384
vlan 1-499,501,600-800 designated priority 20480
spanning-tree mst configuration
revision 1
instance 1 vlan 2-499,600-800,3110
instance 2 vlan 1,500-599
5596's vPC configs
N5596-DC-SW1
vpc domain 3
peer-switch
role priority 100
peer-keepalive destination 192.168.92.223 source 192.168.92.222
auto-recovery
N5596-DC-SW2
vpc domain 3
peer-switch
role priority 200
peer-keepalive destination 192.168.92.222 source 192.168.92.223
auto-recovery
Quick rundown of connections between devices:
Nexus 4001's connect to Nexus 5596's for ethernet data via twinax cables in a four port vPC between both Nexus 5596's.
Nexus 4001's connect to one Nexus 5596 a piece for FCoE two port LACP port channel. (hence the two instances, and vlan 1,500-599 in the same instance)
Catalyst 3110X connects via one Fiber-Optic connection to the N5596-DC-SW2, eventually will have two in a port-channel
Also keep in mind I corrected a priority conflict between the 3110X and Nexus 5596's earlier last month, which would explain all of the topology changes.
I can provide any other information if it is useful. I am just confused!I identified the problem.
Refer to
http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_2/nx-os/interfaces/configuration/guide/if_vPC.html
for more information.
The problem I encountered was self-inflicted.
Using the spanning-tree pseudo-information command creates a psuedo priority setup that if implemented after the global spanning-tree commands sits alongside the spanning-tree priority and vlan definitions. This is intended to allow for non-vPC VLANs to have their own spanning-tree definitions separate of the spanning-tree environment for the vPC vlans. I am not sure the best way to describe it, but if you are not running a hybrid vPC setup (where you have vPC member VLANs and non-vPC VLANS with a separate link between the 5596's for the non-vPC VLANs) this setup would help you ensure you have a stable spanning-tree and prevent unnecessary blocking.
When I enabled this command, I applied it to the vPC VLAN's as well, and that caused the Nexus 4001i's vPC links to constantly change port role, and update all of the edge ports subsequently. While I didn't see a performance impact to end hosts (not much traffic is on the Nexus DataCenter environment yet), I did get a torrent of logs as shown above.
Once I removed the spanning-tree pseudo-information, the switches quieted down and spanning-tree stabilized on the Nexus 4001i's.
I will revisit the configuration though for trunks not using vPC if it is needed. -
What is the best way to migrate zoning from an MDS9216i to a Nexus 5596?
I am migrating from a MDS9216i to a Nexus 5596. We have dual paths, so I can migrate one leg at a time and the full function for these switches is fiber channel attached storage.
What is the best way to migrate the zoning information? I have been told I can ISL the new and old switch together and then push the zoning to the new switch. Is that better than just cutting and pasting the zoning information to the new switch?
Also, I have to move four Brocade M4424 switches to the new switches - they are currently attached via interop mode 1, but will now be attached using NPIV. Has anyone done this before, and did you have any issues?
Any help or advice would be appreciated. Thanks!Use an ethernet cable to connect the two computers, and set up file sharing. After that copying files from one computer to the other is exactly like copying from one hard drive to another:
http://docs.info.apple.com/article.html?artnum=106658 -
Nexus 2232 and IBM 10 Gig CNA compatability
Has anyone got a good doc on software/hardware compatability for Nexus, specifically 2232, and IBM 10 Gig CNAs? Im struggling with some Unix guys, I can use this particular pair of 2232s all day, but when I link a new 770 VIO....nada. We bypass the 2232 and link to the 5596 and it links up immediately. I suspect the IBM CNA and compatability but need the proof. Stumbling google I didn't see anything but I don't speak Unix very well either. We're running 2232PPs on 5596s at 5.1(3)N2(1b). Any help is appreciated.
hi Robert,
thanks a lot for your reply.
here is the uplink port profile config:
port-profile type ethernet HostUplink
vmware port-group
switchport mode trunk
switchport trunk native vlan 1
switchport trunk allowed vlan 1-3967,4048-4093
channel-group auto mode on mac-pinning
no shutdown
system vlan 803,832,900-901
state enabled
803 is mgmt for both esx and vsm, 900 is control, 901 is packet.
my NC553i driver version is different from what you suggested, it is 2.102.518.0, any reason why you suggest to use the version you specified?
I have been trying to contact HP support, to be honest, not saying overall, but from my experience, they are much less helpful then Cisco support, I will keep trying.
thanks
ming -
MAC flapping reported between 2 port channels on Nexus 5596
Hi all, I'm seeing messages like the following reported on a Nexus 5596:
2015 Jan 7 12:40:48.954 Switch-5596A %FWM-6-MAC_MOVE_NOTIFICATION: Host 00ab.cdef.0123 in vlan 104 is flapping between port Po5 and port Po10
Po5 is connected to a storage cluster and is configured as an access port. It is connected to 2 Nexus 5596 switches using vpc.
interface port-channel5
description Storage Shelf 1
priority-flow-control mode off
switchport access vlan 104
spanning-tree port type edge
spanning-tree bpduguard enable
speed 10000
flowcontrol receive on
vpc 5
Po10 is the uplink to the core switch:
interface port-channel10
description uplink
switchport mode trunk
switchport trunk native vlan 2702
switchport trunk allowed vlan 64,94,104,124
spanning-tree port type network
speed 10000
vpc 10
Any ideas on why we would be seeing these log messages?
Thank you.You need to trace this mac address: - 00ab.cdef.0123 and check if this has dual nic card if yes then check if nic teaming is configured correctly ...then shut down one of the link and see if you are learning the same mac address on two different ports?
HTH -
Hello,
Some equipments Nexus 5596 from a customer have reinitiated and it seems to have been provoked by an OSPF problem although I am not sure.
The logs from the equipment show:
2013 Jan 9 07:29:42 ROISBPRE2CN %BTCM-5-BTCM_LOG_L3_READY: system becomes L3 Ready
2013 Jan 9 07:29:44 ROISBPRE2CN %VSHD-5-VSHD_SYSLOG_CONFIG_I: Configured from vty by on ppm.3726
2013 Jan 9 07:29:45 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.26 on Vlan902 went TWOWAY
2013 Jan 9 07:29:48 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.29 on Vlan902 went TWOWAY
2013 Jan 9 07:29:49 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.28 on Vlan902 went TWOWAY
2013 Jan 9 07:29:52 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.17 on Vlan902 went TWOWAY
2013 Jan 9 07:29:52 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.29 on Vlan902 went FULL
2013 Jan 9 07:29:52 ROISBPRE2CN %OSPF-5-ADJCHANGE: ospf-1 [3236] Nbr 180.101.250.26 on Vlan902 went FULL
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_INITIALIZING: Interface port-channel902 is down (Initializing)
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_INITIALIZING: Interface port-channel100 is down (Initializing)
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_INITIALIZING: Interface Ethernet1/31 is down (Initializing)
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_INITIALIZING: Interface Ethernet1/32 is down (Initializing)
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel112 is down (No operational mem
bers)
2013 Jan 9 07:30:41 ROISBPRE2CN %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel111 is down (No operational mem
bers)
I wanted to know if you know something about a problem with OSPF in next version:
cisco Nexus5596 Chassis ("O2 48X10GE/Modular Supervisor")
Intel(R) Xeon(R) CPU with 8263880 kB of memory.
bootflash: 2007040 kB
Kernel uptime is 0 day(s), 2 hour(s), 25 minute(s), 35 second(s)
System version: 5.1(3)N1(1a)
Thank you very much.OSPF logs say that your switch is fully adjacent with 180.101.250.26 and .29, this means normal operation.
Bi-directional communication has been established between the Nexus and 180.101.250.17 and .28. They are in the middle of the OSPF neighboring process.
Some interfaces are initializing, and Po111 and 112 have no member ports (the channel-group <111|112> command hasn't been issued on any physical interfaces).
More information about OSPF neighbor states can be found here. -
I select 'check for updates' and it will not display anything other than 'checking for updates...' below the button. I do not see any internet traffic in the status bar as it does this. Also, I have left it to 'check for updates' all night, to no avail. Any definitive answers would be great. 'https://update.boot2gecko.org/beta/update.xml' doesn't work and neither does 'https://aus3.mozilla.org/update/3/%PRODUCT%/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml'
I have searched extensively to find where the update channels are located and those, and variants like them, proffer no changes in my situation.
I am starting to wonder if it is the program responsible for checking for updates, or if it is the build for nexus-4 that is having the issue.
Another question that would help in my search to resolve this issue is, does anyone know what program is responsible for checking for these updates?
All help is appreciated, and thank you in advance.I have since changed my build to master, but this time without using mozilla-central as my gecko path. I have had no issues so far with the stability of the master branch, as I did in the past with mozilla-central as the gecko path.
After having done this, and restoring my /data/local and /data/b2g directories, I am now recieving updates. At least, it updated my marketplace after booting for the first time. Also, I am no longer getting the check now stuck at 'checking for updates...'.
So, I am going to call this solved with changing to master, without using my .userconfig. Further, using Michelle's input, I will periodically git pull, repo update, and reconfigure, build, and flash the master branch.
Thank you all for the help.
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