About lodovici2012

VLAN failure on Stack member · 10-12-2018

Hi, I have this problem on two members of a Cisco 3850 stack (8 members) : today, beetween 11h25 and 11h35 and beetween 12h45 and 13h00, only on two members of the stack, all the PC on a specific vlan lost the connection (no ping to their IP). The ot...

lodovici2012 · 01-16-2018

Hi, I have N7k with NX-OS 6.2 (16), and divided with one admin vdc and a Prod vdc.I have 3 external NTP server (10.92.5.58, 10.92.5.59 and 10.7.11.6). The vdc admin is configured like this (3 ntp server; source interface: management) : interface mgmt...

lodovici2012 · 10-05-2017

Hi, I have these messages error (30 times per hour) on a Nexus 7000 and a C6509 : C6509 : Oct 5 06:57:00.000 PARIS: %OSPF-5-ADJCHG: Process 10, Nbr 10.102.16.254 on Vlan300 from EXSTART to DOWN, Neighbor Down: Too many retransmissions Oct 5 06:58:0...

lodovici2012 · 01-24-2017

Hi, I would like configure a WLAN with no user authentication. Clients connect them to a portal page where the user just has to accept terms and conditions, no login and password required. It is possible ? How to configure a WLC 5508 ? Thanks

lodovici2012 · 10-28-2016

Hi, what is the difference between "Joined" and "Connected" AP status on Cisco 5508 wireless controller in HA configuration? I have two WLC 5508 in HA configuration. In 3 october the controller switchovered with reason "Active controller failed" (a...

Re: VLAN failure on Stack member · 10-15-2018

In this case, yes. Regards

Re: VLAN failure on Stack member · 10-15-2018

Hello, thank you for your reply. show spanning-tree vlan 30 VLAN0030 Spanning tree enabled protocol rstp Root ID Priority 30 Address 0008.e3ff.fc28 Cost 1 Port 2377 (Port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Prio...

lodovici2012 · 02-05-2018

Hi Mark, the Nexus stopped to send ntp requests from the Loopback interface0 (10.103.17.253) to the ntp server (10.92.1.4). The IP address of the ntp server (10.92.1.4) was configured on another switch (a C6509), neighbor of the Admin VDC of the Ne...

lodovici2012 · 01-18-2018

The ntp is configured only on the default VDC (the vdc Admin) : ntp server 10.7.11.6 use-vrf managementntp server 10.92.5.58 prefer use-vrf managementntp server 10.92.5.59 use-vrf managementntp source 10.197.99.100 vlan1 vrf context management ...

lodovici2012 · 01-18-2018

I Mark, I changed from ntp source-interface mgmt0 to ntp source ip-address on the vdc Admin, and I passed the command no feature ntp on the vdc Prod, but the ntp server received again the requests from the 10.103.17.253. Perhaps it is a b...

Member Since	‎07-30-2015 02:40 AM
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VLAN failure on Stack member

NTP request to server by Loopback interface in non admin VDC

%OSPF-5-ADJCHG EXSTART to DOWN and Too many retransmissions

Wirless Lan without user authentication password

WLC 5508 Joined status vs Connected status

Re: VLAN failure on Stack member

Re: VLAN failure on Stack member

Re: NTP request to server by Loopback interface in non admin VDC

Re: NTP request to server by Loopback interface in non admin VDC

Re: NTP request to server by Loopback interface in non admin VDC