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Resolved! May 8 09:52:05.895: %CONST_DIAG-SW1-6-DIAG_SW_LPBK_TEST_INFO: Module [2/0]: TestMgmtPortsLoopback detected a minor error for port 1

I have the below errors appear on core switch ws-c6513-E, how to fix it. May 8 10:34:21.818: %CONST_DIAG-SW1-6-DIAG_SW_LPBK_TEST_INFO: Module [2/0]: TestMgmtPortsLoopback detected a minor error for port 1May 8 10:34:21.818: %CONST_DIAG-SW1-6-DIAG_SW_...

Hossam Ar by • Level 1
  • 819 Views
  • 4 replies
  • 0 Helpful votes

usage of Xmodem in 3850 switch

Hi everyone, I am having a single switch 3850 48 port series and it has currupted ios in it. It is not booting due to the currupted IOS. I am having a .bin file downloaded from another switch using TFTP which is around 300 mb in size. I was trying to...

Resolved! IOS download sites

Hi Team,   When i go to download the cisco IOS the site is asking cisco.com ID that i dont have , kindly help me to get the IOS because its very urgent ...   Please help soon

Edge Redundancy

Hello everyone It would be interesting if you could share your ideas mixed with experiences to provide a best practice. Attached diagram shows everything. Almost a beautiful weekend Question :)  

Resolved! VRF - DNS issue

I have two internet connections. I put comcast into its own vrf. ATT is in global routing table. I use PBR to route some traffic to comcast and some to ATT. Everything works, BUT DNS queries which are send to comcast VRF. All the traffic through VRF ...

filip00011 by • Level 1
  • 2301 Views
  • 10 replies
  • 0 Helpful votes

Change MST Configuraton Instance

hi, just a quick question, i need to re-edit my MST instance config which includes the switch management VLAN. will i lose remote access if i make the change or is it a safe straightforward change? would it be better if i start changing on the access...

Resolved! Vlans

Hello, I wanted to know that since Vlan 1 can never be deleted or changed, Could I move all 48 ports to another vlan? and if so will everything still work with vtp, cdp etc? Thanks

moman62 by • Level 1
  • 447 Views
  • 3 replies
  • 0 Helpful votes

Configuring simple SNMP on NEXUS 93128

  I have inherited a slightly odd set up. I have two stacked 6509's that are configured in an HSRP setup with a NEXUS 93128. I have a solarwinds Instance I want to access them both, The I have ACLs on them configured . Can I simply configure the SNMP...

Resolved! addresses from multiple subnets over the same Router LAN port (Cisco ISR 2951)

Hi,   I'm in the process of converting our class C network to a Class A network to allow more client devices to connect to the internet.  Because I have limited time to actually work on the routers and switches, I'm looking to see if I can put togeth...

Interface VLAN command on a Router

I don't understand how this works on a router. If i configure two of these, how can a device know what interface they are connecting to? In the example below, how can the router know what vlan a connecting device must be on?   Interface Vlan10 ip add...

DaveU by • Level 1
  • 697 Views
  • 4 replies
  • 0 Helpful votes

IP DHCP Snooping blocks IPv6 RAs

Hi everyone.   I'm might need some help to understand what would be the possible impact of DHCP snooping features configured on a 2960-L on IPv6 SLAAC configured on a 899-LTE.     Every time that I'm enabling the ip dhcp snooping vlan 100 on a 2960-L...

gafricano by • Level 1
  • 427 Views
  • 0 replies
  • 0 Helpful votes

High CPU in Catalyst 3850 (03.02.03.SE)

Hey everyone,I have been looking all over the interent for ansers but still haven't found one, so I decided to jump in and post my problem here. Hopefully it could be of help to others. I'll try to keep things to the point :I have a lot of unicast fl...

emfusion1 by • Level 1
  • 3478 Views
  • 5 replies
  • 0 Helpful votes

Cannot ping or SSH vlan 1 from other switches

 Hi,i have 3 Catalyst 2960-X switches:1. sw1 - main switch, the other switches chained to it by trunk. contain 6 vlans (include vlan1). IP address 192.168.1.2.2. sw3 - contain 6 vlans (include vlan1). IP address 192.168.1.3.3. sw7 - contain 3 vlans (...

AdiMahluf by • Level 1
  • 3169 Views
  • 17 replies
  • 0 Helpful votes
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