Nexus 5548up OS 5.1(3)N2(1) with L3 Card

I find some inconsistent behavior in the above platform. After a clean reboot, the interfaces  are up, but cdp neighbors are not showing. The switch has no  configuration (after reboot with no startup-config). To make things worse sometimes it will  boot properly and show cdp neighbots, other times it won't. When that happens all the port-channel  and other configurations don't work as well. The switch has L3 card. Any ideas?
I have tried installing NX-OS 5.2 and then moving back to 5.1. I want to stay at 5.1 That didn't solve anything.
5k1# show cdp neighbors
Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge
                  S - Switch, H - Host, I - IGMP, r - Repeater,
                  V - VoIP-Phone, D - Remotely-Managed-Device,
                  s - Supports-STP-Dispute
Device-ID             Local Intrfce Hldtme Capability  Platform Port ID
Switch                 mgmt0         158    S I       WS-C2970G-24T Gig0/22
===============================================================
5k1# show interface e1/14-15 brief
Ethernet      VLAN    Type Mode   Status  Reason Speed     Por
t
Interface Ch
Eth1/14       1       eth  access up none                        10G(D) --
Eth1/15       1       eth  access up none                        10G(D) --
====================================================================
5k1# show module
Mod Ports  Module-Type                      Model                  Status
1    32     O2 32X10GE/Modular Universal Pla N5K-C5548UP-SUP        active *
3    0      O2 Daughter Card with L3 ASIC    N55-D160L3             ok
Mod  Sw              Hw      World-Wide-Name(s) (WWN)
1    5.1(3)N2(1)     1.0     --
3    5.1(3)N2(1)     1.0     --
Mod  MAC-Address(es)                         Serial-Num
1    547f.eea3.fe28 to 547f.eea3.fe47         FOC16193NET
3    0000.0000.0000 to 0000.0000.000f         FOC16125D4B
=============================================================================
5k1# show version
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_serie
s_home.html
Copyright (c) 2002-2012, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained herein are owned by
other third parties and are used and distributed under license.
Some parts of this software are covered under the GNU Public
License. A copy of the license is available at
http://www.gnu.org/licenses/gpl.html.
Software
  BIOS:      version 3.6.0
  loader:    version N/A
  kickstart: version 5.1(3)N2(1)
  system:    version 5.1(3)N2(1)

I have tested this issue on another 5548UP with L3 running the same NX-OS version and get the same problem. Show CDP from the switch is not discovering devices, but the neightbors can see the 5K in question. Reboot sometimes will fix it, but not always. I suspect a problem with the software since that doesn't happen in NX-OS 5.2. The one I am using is
Software
  BIOS:      version 3.6.0
  loader:    version N/A
  kickstart: version 5.1(3)N2(1)
  system:    version 5.1(3)N2(1)

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      switchport access vlan 51
    interface Ethernet2/15
      switchport access vlan 51
    interface Ethernet2/16
      switchport access vlan 51
    interface mgmt0
      ip address 192.168.52.4/24
    line console
    line vty
    boot kickstart bootflash:/n5000-uk9-kickstart.5.2.1.N1.4.bin
    boot system bootflash:/n5000-uk9.5.2.1.N1.4.bin
    ISC5548B# show int brief
    Ethernet      VLAN    Type Mode   Status  Reason                   Speed     Port
    Interface                                                                    Ch #
    Eth1/1        51      eth  access up      none                       1000(D) 1
    Eth1/2        51      eth  access up      none                       1000(D) 1
    Eth1/3        51      eth  access up      none                       1000(D) --
    Eth1/4        51      eth  access up      none                       1000(D) --
    Eth1/5        51      eth  access up      none                       1000(D) --
    Eth1/6        51      eth  access up      none                       1000(D) --
    Eth1/7        51      eth  access up      none                       1000(D) --
    Eth1/8        51      eth  access up      none                       1000(D) --
    Eth1/9        51      eth  access up      none                       1000(D) --
    Eth1/10       51      eth  access up      none                       1000(D) --
    Eth1/11       51      eth  access up      none                       1000(D) --
    Eth1/12       51      eth  access up      none                       1000(D) --
    Eth1/13       51      eth  access down    Link not connected         1000(D) --
    Eth1/14       51      eth  access down    Link not connected         1000(D) --
    Eth1/15       51      eth  access up      none                       1000(D) --
    Eth1/16       51      eth  access down    Link not connected         1000(D) --
    Eth1/17       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/18       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/28       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/29       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/30       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/31       51      eth  access down    SFP not inserted           1000(D) --
    Eth1/32       51      eth  access down    SFP not inserted           1000(D) --
    Eth2/1        51      eth  access up      none                        10G(D) --
    Eth2/2        51      eth  access up      none                        10G(D) --
    Eth2/3        51      eth  access up      none                        10G(D) --
    Eth2/4        51      eth  access up      none                        10G(D) --
    Eth2/5        51      eth  access up      none                        10G(D) --
    Eth2/6        51      eth  access up      none                        10G(D) --
    Eth2/7        51      eth  access down    SFP not inserted            10G(D) --
    Eth2/8        51      eth  access down    SFP not inserted            10G(D) --
    Eth2/9        51      eth  access down    SFP not inserted            10G(D) --
    Eth2/10       51      eth  access down    SFP not inserted            10G(D) --
    Eth2/11       51      eth  access down    SFP not inserted            10G(D) --
    Eth2/12       51      eth  access down    SFP not inserted            10G(D) --
    Eth2/13       51      eth  access down    Link not connected          10G(D) --
    Eth2/14       51      eth  access down    SFP not inserted            10G(D) --
    Eth2/15       51      eth  access down    Link not connected          10G(D) --
    Eth2/16       51      eth  access down    Link not connected          10G(D) --
    Port-channel VLAN    Type Mode   Status  Reason                    Speed   Protocol
    Interface
    Po1          51      eth  access up      none                      a-1000(D)  lacp
    Port   VRF          Status IP Address                              Speed    MTU
    mgmt0  --           up     192.168.52.4                            100      1500
    ISC5548B# show interface ethernet 1/3
    Ethernet1/3 is up
     Dedicated Interface
      Hardware: 1000/10000 Ethernet, address: 8c60.4f49.818a (bia 8c60.4f49.818a)
      MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
      reliability 255/255, txload 1/255, rxload 1/255
      Encapsulation ARPA
      Port mode is access
      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 1d02h
      Last clearing of "show interface" counters 1d20h
      30 seconds input rate 0 bits/sec, 0 packets/sec
      30 seconds output rate 304 bits/sec, 0 packets/sec
      Load-Interval #2: 5 minute (300 seconds)
        input rate 0 bps, 0 pps; output rate 200 bps, 0 pps
      RX
        0 unicast packets  0 multicast packets  0 broadcast packets
        0 input packets  0 bytes
        0 jumbo packets  0 storm suppression bytes
        0 runts  0 giants  0 CRC  0 no buffer
        0 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
        0 Rx pause
      TX
        202 unicast packets  87027 multicast packets  1077 broadcast packets
        88306 output packets  7601016 bytes
        0 jumbo packets
        0 output errors  0 collision  0 deferred  0 late collision
        0 lost carrier  0 no carrier  0 babble 0 output discard
        0 Tx pause
      4 interface resets
    ISC5548B# show interface ethernet 2/1
    Ethernet2/1 is up
     Dedicated Interface
      Hardware: 1000/10000 Ethernet, address: 8c60.4f23.5de0 (bia 8c60.4f23.5de0)
      MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec
      reliability 255/255, txload 1/255, rxload 1/255
      Encapsulation ARPA
      Port mode is access
      full-duplex, 10 Gb/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 1d20h
      Last clearing of "show interface" counters never
      30 seconds input rate 0 bits/sec, 0 packets/sec
      30 seconds output rate 312 bits/sec, 0 packets/sec
      Load-Interval #2: 5 minute (300 seconds)
        input rate 0 bps, 0 pps; output rate 200 bps, 0 pps
      RX
        285 unicast packets  0 multicast packets  218 broadcast packets
        503 input packets  32724 bytes
        0 jumbo packets  0 storm suppression bytes
        0 runts  0 giants  0 CRC  0 no buffer
        0 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
        0 Rx pause
      TX
        406 unicast packets  89109 multicast packets  1077 broadcast packets
        90592 output packets  7827146 bytes
        0 jumbo packets
        0 output errors  0 collision  0 deferred  0 late collision
        0 lost carrier  0 no carrier  0 babble 0 output discard
        0 Tx pause
      1 interface resets

    I have a laptop connected to a port on the switch and I am currently adding a SUSE 11 SP2 to another port that has a 10G card for a NIC.  Once I finished the install I will post more specific tests using ping and SSH to illustrate. 
    Here is the output you requested.
    ISC5548B# show port-channel summary
    Flags:  D - Down        P - Up in port-channel (members)
            I - Individual  H - Hot-standby (LACP only)
            s - Suspended   r - Module-removed
            S - Switched    R - Routed
            U - Up (port-channel)
            M - Not in use. Min-links not met
    Group Port-       Type     Protocol  Member Ports
          Channel
    1     Po1(SU)     Eth      LACP      Eth1/1(P)    Eth1/2(P)
    ISC5548B# sh int po1
    port-channel1 is up
      Hardware: Port-Channel, address: 8c60.4f49.8188 (bia 8c60.4f49.8188)
      MTU 1500 bytes, BW 2000000 Kbit, DLY 10 usec
      reliability 255/255, txload 1/255, rxload 1/255
      Encapsulation ARPA
      Port mode is access
      full-duplex, 1000 Mb/s
      Input flow-control is off, output flow-control is off
      Switchport monitor is off
      EtherType is 0x8100
      Members in this channel: Eth1/1, Eth1/2
      Last clearing of "show interface" counters never
      30 seconds input rate 560 bits/sec, 0 packets/sec
      30 seconds output rate 3064 bits/sec, 2 packets/sec
      Load-Interval #2: 5 minute (300 seconds)
        input rate 128 bps, 0 pps; output rate 2.74 Kbps, 2 pps
      RX
        578695 unicast packets  11167 multicast packets  1056 broadcast packets
        590918 input packets  760063851 bytes
        0 jumbo packets  0 storm suppression bytes
        0 runts  0 giants  0 CRC  0 no buffer
        0 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
        0 Rx pause
      TX
        392417 unicast packets  434693 multicast packets  2984 broadcast packets
        830094 output packets  320257324 bytes
        0 jumbo packets
        0 output errors  0 collision  0 deferred  0 late collision
        0 lost carrier  0 no carrier  0 babble 0 output discard
        0 Tx pause
      1 interface resets

  • Connect Nexus 5548UP-L3 to Catalyst 3750G-24T-E Layer 3 Switch

    Please help!
    Could anyone out there please assist me with basic configuration between Nexus Switch and Catalyst Switch, so that devices connected on the catalyst switch can talk to devices connected on nexus switch and vice-versa? In my current setup all servers on VLAN 40 are connected on the Catalyst Switch A as shown in the diagram below, and all desktops and all other peripherals are connected on the Catalyst Switch B.  I am required to implement/add a new Nexus Switch 5548 that in the future will replace the Switch A. From now I just need to connect both switches together and start moving the server from Switch A to the Nexus Switch.
    The current network setup is shown as per diagram below:
    SWITCH A – this is a layer 3 switch. All servers are connected to this switch on the VLAN 40.
    SWITCH B – all desktops, VoIP telephones, and printers are connected on tis switch. This switch is also a layer 3 switch.
    I have connected together the Nexus 5548UP and SWITCH A (3750G) using the GLC-T= 1000BASE-T SFP transceiver module for Category 5 copper wire. The new network is shown as per diagram below:
    Below is the configuration I have created in both Switches:
    SWITCH A - 3750G
    interface Vlan40
    description ** Server VLAN **
    ip address 10.144.40.2 255.255.255.128
    ip helper-address 10.144.40.39
    ip helper-address 10.144.40.40
    interface Vlan122
    description connection to N5K-C5548UP Switch mgmt0
    ip address 172.16.0.1 255.255.255.128
    no ip redirects
    interface Port-channel1
    description UpLink to N5K-C5548UP Switch e1/1-2
    switchport trunk encapsulation dot1q
    switchport trunk allowed vlan 1,30,40,100,101,122
    switchport mode trunk
    interface GigabitEthernet1/0/3
    description **Connected to server A**
    switchport access vlan 40
    no mdix auto
    spanning-tree portfast
    interface GigabitEthernet1/0/20
    description connection to N5K-C5548UP Switch mgmt0
    switchport access vlan 122
    switchport mode access
    spanning-tree portfast
    interface GigabitEthernet1/0/23
    description UpLink to N5K-C5548UP Switch e1/1
    switchport trunk encapsulation dot1q
    switchport trunk allowed vlan 1,30,40,100,101,122
    switchport mode trunk
    channel-group 1 mode active
    interface GigabitEthernet1/0/24
    description UpLink to N5K-C5548UP Switch e1/2
    switchport trunk encapsulation dot1q
    switchport trunk allowed vlan 1,30,40,100,101,122
    switchport mode trunk
    channel-group 1 mode active
    N5K-C5548UP Switch
    feature interface-vlan
    feature lacp
    feature dhcp
    feature lldp
    vrf context management
      ip route 0.0.0.0/0 172.16.0.1
    vlan 1
    vlan 100
    service dhcp
    ip dhcp relay
    interface Vlan1
      no shutdown
    interface Vlan40
      description ** Server VLAN **
      no shutdown
      ip address 10.144.40.3/25
      ip dhcp relay address 10.144.40.39
      ip dhcp relay address 10.144.40.40
    interface port-channel1
      description ** Trunk Link to Switch A g1/0/23-24 **
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,122
      speed 1000
    interface Ethernet1/1
      description ** Trunk Link to Switch A g1/0/23**
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,12
      speed 1000
      channel-group 1 mode active
    interface Ethernet1/2
      description ** Trunk Link to Switch A g1/0/24**
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,122
      speed 1000
      channel-group 1 mode active
    interface Ethernet1/3
      description **Connected to server B**
      switchport access vlan 40
      speed 1000
    interface mgmt0
      description connection to Switch A g2/0/20
      no ip redirects
      ip address 172.16.0.2/25
    I get a successful response from Server A when I ping the N5K-C5548UP Switch (VLAN 40 interface (10.144.40.3) .But if I try to ping from Server A to Server B or vice-versa the ping fails. From N5K-C5548UP I can ping successful either Server A or Server B. What am I doing wrong here? Is there any additional configuration that I need to add on the Nexus Switch? Please Help. Thank you.

    no, no secret aukhadiev
    I made a mistake without realising and the interface e1/3 was showing "Interface Ethernet1/3 is down (Inactive)". After spending sometime trying to figure out what was wrong with that interface or switch, it turned out to be that i forgot to add the vlan 40. Now the config looks like this:
    N5K-C5548UP Switch
    feature interface-vlan
    feature lacp
    feature dhcp
    feature lldp
    vrf context management
      ip route 0.0.0.0/0 172.16.0.1
    vlan 1
    vlan 40
    vlan 100
    service dhcp
    ip dhcp relay
    interface Vlan1
      no shutdown
    interface Vlan40
      description ** Server VLAN **
      no shutdown
      ip address 10.144.40.3/25
      ip dhcp relay address 10.144.40.39
      ip dhcp relay address 10.144.40.40
    interface port-channel1
      description ** Trunk Link to Switch A g1/0/23-24 **
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,122
      speed 1000
    interface Ethernet1/1
      description ** Trunk Link to Switch A g1/0/23**
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,12
      speed 1000
      channel-group 1 mode active
    interface Ethernet1/2
      description ** Trunk Link to Switch A g1/0/24**
      switchport mode trunk
      switchport trunk allowed vlan 1,30,40,100-101,122
      speed 1000
      channel-group 1 mode active
    interface Ethernet1/3
      description **Connected to server B**
      switchport access vlan 40
      speed 1000
    interface mgmt0
      description connection to Switch A g2/0/20
      no ip redirects
      ip address 172.16.0.2/25
    Thank you,
    JN

  • Nexus 5548UP Nx-OS.7.0.5.N1.1 GLC-T known issue

    Hi,
    We have a couple of Nexus 5548UP Nx-OS .7.0.5.N1.1.
    since we upgraded from 6.0.2.N2.1, we can't use newly configured ports with GLC-T .
    The Already configured and in use GLC-T's are still working.
    Are there any known issue?
    Do I only have to upgrade or Sale the GLC-T ?
    Thank

    Hi, I have upgraded from 5.2.1.N1.4 to 7.1.0.N1.1b.
    There were many bugs.
    I found we can't upgraded to 7.1.0 from NX-OS prior to 7.0 in Cisco official.
    So, I have upgraded to 7.0.5N1.1 then to 7.1.0N1.1b.
    In result, some part of startup-config such as logging server  is lost.
    I'm going to try to upgrade in same process a few times.
    Sincerery

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