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Nexus 5000 switch-profile sync via SVI?

Ralf Kleineisel
Level 1
Level 1

Hi,

is it possible to use a Vlan interface (SVI) for syncing the switch profile on two 5596?

I tried this:

2 x 5596UP with NX-OS 5.2(1)N1(3)

Connected with 2 x Twinax on ports Eth1/15 and /16, portchannel 3.

The Po3 is a trunk, allowed Vlan is 439. Both 5596 have a SVI in Vlan439 with an IP. I can ping between the two 5596.

# ping 10.9.8.4
PING 10.9.8.4 (10.9.8.4): 56 data bytes
64 bytes from 10.9.8.4: icmp_seq=0 ttl=254 time=0.887 ms

When I try to to this:

switch-profile k

  sync-peers destination 10.9.8.4

I get:

# sh switch-profile status

switch-profile  : k
----------------------------------------------------------

Start-time: 831222 usecs after Thu Aug 15 17:57:53 2013
End-time: 834086 usecs after Thu Aug 15 17:57:53 2013

Profile-Revision: 7
Session-type: Initial-Exchange
Session-subtype: Init-Exchange-All
Peer-triggered: No
Profile-status: -

Local information:
----------------
Status: -
Error(s):

Peer information:
----------------
IP-address: 10.9.8.4
Sync-status: Not yet merged
Merge Flags: pending_merge:1 rcv_merge:0 pending_validate:0
Status: Peer not reachable
Error(s):

As soon as I change the sync-peers destinations to use the IPs on the mgmt0 interface everything works fine:

# sh switch-profile status

switch-profile  : k
----------------------------------------------------------

Start-time: 723075 usecs after Thu Aug 15 18:04:23 2013
End-time: 475957 usecs after Thu Aug 15 18:04:25 2013

Profile-Revision: 7
Session-type: Commit
Session-subtype: -
Peer-triggered: No
Profile-status: Sync Success

Local information:
----------------
Status: Commit Success
Error(s):

Peer information:
----------------
IP-address: 10.0.0.4
Sync-status: In sync
Status: Commit Success
Error(s):

3 Replies 3

Devavrat Oka
Level 1
Level 1

Yeah I've always used the IP of the peer keepalive link. I think it might have something to do with CFS only working on ethernet and not SVIs.

Guys,

Any L3 adjacency is not supported by peer-link.

Richard.

No, if you want a short answer.

Or...

Switch-Profiles feature will only work using mgmt0 interface. Here's the quote from

Cisco Nexus 5500 Series NX-OS System Management Configuration Guide, Release 6.x

http://www.cisco.com/en/US/docs/switches/datacenter/nexus5500/sw/system_management/6x/b_5500_System_Mgmt_Config_602N12_chapter_011.html

Guidelines and Limitations for Switch Profiles

Consider the following guidelines and limitations when configuring switch profiles:

  • You can only enable configuration synchronization using the mgmt0 interface.

-- the rest of output is cut for brevity --

Cheers

Tim

P.S. Please rate this post.