cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
Announcements
Join Customer Connection to register!
250
Views
0
Helpful
2
Replies

Nexus intervlan routing: unable to trace switch port

We have nexus 7000, there are multiple vlans

But I am unable to ping from 10.48.32.0/24 to 10.48.42.0/24

There is user 10.48.32.54   i am unable to trace its switch port,please advise.

Below is troubleshooting I have tried.

SW01# sh ip arp | in 10.48.32.54
10.48.32.54     00:09:11  8cdc.XXX.471c  Vlan32      

USIDCDISSW01# show  mac address-table | include 471c
* 32       8cdc.XXX.471c    dynamic   0          F    F  Po201

SW04# show  ip arp | in 471c

SW03# show  ip arp | in 471c

#####below is show output of this command where SW04 and SW03 are showing but I am unable to trace switch port of mac 8cdc.XXX.471c

  cdp  neighbors interface Po201 detail ############################

USIDCDISSW01# show  cdp  neighbors interface Po201 detail

----------------------------------------

Device ID:SW03()

System Name: SW03

 

Interface address(es):

    IPv4 Address: 10.48.130.55

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet2/45, Port ID (outgoing port): Ethernet1/1

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.37

----------------------------------------

Device ID:SW03()

System Name: SW03

 

Interface address(es):

    IPv4 Address: 10.48.130.55

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet9/45, Port ID (outgoing port): Ethernet2/1

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.37

----------------------------------------

Device ID:SW03()

System Name: SW03

 

Interface address(es):

    IPv4 Address: 10.48.130.55

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet2/46, Port ID (outgoing port): Ethernet1/2

Holdtime: 129 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.37

----------------------------------------

System Name: SW03

 

Interface address(es):

    IPv4 Address: 10.48.130.55

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet9/46, Port ID (outgoing port): Ethernet2/2

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.37

----------------------------------------

Device ID:SW04()

System Name: SW04

 

Interface address(es):

    IPv4 Address: 10.48.130.56

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet2/47, Port ID (outgoing port): Ethernet1/1

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.38

----------------------------------------

Device ID:SW04()

System Name: SW04

 

Interface address(es):

    IPv4 Address: 10.48.130.56

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet9/47, Port ID (outgoing port): Ethernet2/1

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.38

----------------------------------------

Device ID:SW04()

System Name: SW04

 

Interface address(es):

    IPv4 Address: 10.48.130.56

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet2/48, Port ID (outgoing port): Ethernet1/2

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.38

----------------------------------------

Device ID:SW04()

System Name: SW04

 

Interface address(es):

    IPv4 Address: 10.48.130.56

Platform: N5K-C5596UP, Capabilities: Switch IGMP Filtering Supports-STP-Dispute

Interface: Ethernet9/48, Port ID (outgoing port): Ethernet2/2

Holdtime: 122 sec

 

Version:

Cisco Nexus Operating System (NX-OS) Software, Version 6.0(2)N2(1)

 

Advertisement Version: 2

 

Native VLAN: 1

Duplex: full

 

MTU: 1500

Physical Location:

Mgmt address(es):

    IPv4 Address: 10.48.253.38

    

2 REPLIES 2
Reza Sharifi
Hall of Fame Expert

According to your output the hosts you are trying to ping are part of vlan 32.  Can you post the info for that vlan?

SW01# show  running-config int vlan 32

!Command: show running-config interface Vlan32
!Time: Tue Jul 19 07:19:37 2016

version 6.1(4)

interface Vlan32
  ip address 10.48.32.2/24
  ip router eigrp 101
  ip passive-interface eigrp 101
  ip policy route-map DRAP-route-map
  hsrp 32
    preempt delay minimum 300
    priority 110
    timers  1  3
    ip 10.48.32.1
 
  no shutdown
SW01# show  running-config int vlan 42

!Command: show running-config interface Vlan42
!Time: Tue Jul 19 07:19:45 2016

version 6.1(4)

interface Vlan42
  no ip redirects
  ip address 10.48.42.2/24
  no ipv6 redirects
  ip router eigrp 101
  ip passive-interface eigrp 101
  hsrp 42
    preempt delay minimum 300
    priority 110
    timers  1  3
    ip 10.48.42.1

  no shutdown