05-26-2012 03:34 AM - edited 03-07-2019 06:55 AM
hi all,
I currently got 2 nexus 5596 to do some tests
First of all i wanted to create a management if without using mgmt0 (i use this if for vpc-peer)
So what i did is:
create a vlan
create a vrf
enable feature interface-vlan
create a interface vlan within this vrf and set a ip
enable a trunk with this vlan
on one of the nexus it works, on the other not .. really strange
vlan is up and got a spanning-tree forwarding port
but on the strange switch the layer 3 if is down/down
both switches are 5596 with 5.1.3
anyone ever experienced such an issue?
thanks!
Solved! Go to Solution.
05-26-2012 10:01 AM
Hmm, sounds strange. Can you verify it came with the base license installed. I've seen that before where the base license didn't get installed and the switch wouldn't do something. I can't remember if it was that the SVI wouldn't come online or something else...
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05-26-2012 08:55 AM
Do you mean for the peer keepalive link? Do you have M or F cards?
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05-26-2012 09:06 AM
It's a nx 5596 not an 7k
i use the mgmt0 is used for the vpc peer keepalive yes
05-26-2012 09:11 AM
Oh ya ><
It sounds like a vPC issue maybe.
What does a "sh vPC" on each switch show? Also, can you post the vPC and peer link config?
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05-26-2012 09:24 AM
it have the same issue if i remove the vpc config und just add a normal trunk between both switches (even after wr er)
Here are some details (vlan 3801 is used for l3):
Working switch:
switch2# sho inter vlan 3801
Vlan3801 is up, line protocol is up
Hardware is EtherSVI, address is 547f.ee09.e6c1
Internet Address is 172.24.128.5/24
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
switch2# sho vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 10
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
Configuration consistency status: success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : secondary, operational primary
Number of vPCs configured : 1
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
vPC Peer-link status
---------------------------------------------------------------------
id Port Status Active vlans
-- ---- ------ --------------------------------------------------
1 Po1 up 3801-3811
vPC status
----------------------------------------------------------------------------
id Port Status Consistency Reason Active vlans
------ ----------- ------ ----------- -------------------------- -----------
10 Po10 up success success 3801-3811
on the other switch:
switch1# sho inter vlan 3801
Vlan3801 is down, line protocol is down
Hardware is EtherSVI, address is 547f.ee2f.d2c1
Internet Address is 172.24.128.6/24
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
switch1# sho vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 10
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
Configuration consistency status: success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : primary, operational secondary
Number of vPCs configured : 1
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
vPC Peer-link status
---------------------------------------------------------------------
id Port Status Active vlans
-- ---- ------ --------------------------------------------------
1 Po1 up 3801-3811
vPC status
----------------------------------------------------------------------------
id Port Status Consistency Reason Active vlans
------ ----------- ------ ----------- -------------------------- -----------
10 Po10 up success success 3801-3811
switch1# sho vlan id 3801
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
3801 vmware_mng active Po1, Po10
switch1# sho feature | i enabled
fex 1 enabled
interface-vlan 1 enabled
lacp 1 enabled
lldp 1 enabled
sshServer 1 enabled
telnetServer 1 enabled
udld 1 enabled
vpc 1 enabled
05-26-2012 09:25 AM
switch1:
interface Vlan3801
no shutdown
vrf member poc_vpc
ip address 172.24.128.6/24
interface mgmt0
vrf member management
ip address 192.168.1.1/24
interface port-channel1
switchport mode trunk
switchport trunk allowed vlan 3801-3811
spanning-tree port type network
speed 10000
vpc peer-link
05-26-2012 10:01 AM
Hmm, sounds strange. Can you verify it came with the base license installed. I've seen that before where the base license didn't get installed and the switch wouldn't do something. I can't remember if it was that the SVI wouldn't come online or something else...
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05-26-2012 10:08 AM
there is a difference between both switches:
switch2:
LAN_BASE_SERVICES_PKG No - Unused -
switch1:
LAN_BASE_SERVICES_PKG Yes - In use Never -
hm, strange, if lan_base is in use l3 doesn't work .. does that make sense?
05-26-2012 10:14 AM
Ya that makes sense. I've seen it before where the missing base license caused problems with some L3 feature, I just couldn't remember if it was specifically the SVI wouldn't go up.
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05-26-2012 10:18 AM
That's it
I cleared the license for LAN_BASE_SERVICES_PKG and now the interface is up
Thanks a lot for your help!
05-26-2012 10:20 AM
could it be, that this lic is used for the L3 daughter cards?
05-26-2012 10:24 AM
No the L3 card requires the advanced license, the 5596 wont even recognize the L3 daughtercard without the advanced license, but there are basic L3 stuff the switch will do, apparently only with the base license.
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05-26-2012 10:32 AM
But the base lic is not installed and it works .. now i am getting confused
Feature Ins Lic Status Expiry Date Comments
LAN_BASE_SERVICES_PKG No - Unused -
05-26-2012 10:43 AM
Hmm, that IS weird. Here's the licensing doc:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/nx-os/licensing/guide/b_Cisco_NX-OS_Licensing_Guide_chapter_01.html
So the one WITH the base license installed was the one that wasn't working?
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05-26-2012 10:46 AM
yes, with the lic installed the l3 interface didn't work
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