Switching

Hi guys,I recently noticed company core switch cisco 4507 generating the below error messages from the 10gig module.*Jan 28 22:16:10.752: %SFF8472-5-THRESHOLD_VIOLATION: Te3/2: Rx  power low alarm; Operating value: -12.7 dBm, Threshold value: -12.4 d...

Hi guys,I have a 6500 core to Layer 3 and 2960 Switch to Layer 2 where to connect the servers. Furthermore have created the next vlans: VLAN Name                             Status    Ports---- -------------------------------- --------- -------------...

I am facing a very strange HSRP behavior. I have two routers (backup and main) and the HSRP is changing its status on the backup from speak to active very often and showing me the logs. However on main router I don't see these logs and apparently it ...

We have the following where a MAC is to be limited to a port on VLAN81.interface GigabitEthernet3/0/31 description Restricted Device switchport access vlan 81 switchport mode access switchport port-security switchport port-security violation restrict...

 Hi,I have one router 2911 with ip base  and UC license, I need to remove the UC license and keep it as a stock for a new 2911 I will get in short time.is it posible to do this? if  it is so , Which is the best and fast way to do this? Regards

Packets with destination IP and MAC address of the SVI on a vPC peer switch are not forwarded over the Peer-link when received on the other switch on a Nexus 5600 running NX/OS 7.0(2)N1(1). Regardless of the "peer-gateway" setting in the VPC domain.S...

Hianyone can help me how to do the port mirroring on ASR1001 router?

MACSec will encrypt packet forwarded between endpoint and a switch. However traffic is decrypted once it gets on the switchport. Does that mean that a packet sniffer attached to the switch can extract a copy of the traffic coming from the endpoint de...

Hi, We have a problem with an EtherChannel that we have between us and a content provider. We have two 1Gb links in the Etherchannel but we can't seem to get the total bandwidth above 1Gb.  I have created the same situation in a lab environment.  S...

I'm new to setting up QoS so I would like some input.I'm setting up QoS on my 3750X:Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 15.2(2)E, RELEASE SOFTWARE (fc3)I enabled Auto QoS on the switch:mls qos map policed-dscp  0 10 18...