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Hi,I am having a lab switch. Recently I am getting "%SCHED-3-SEMLOCKED: SNMP ENGINE attempted to lock a semaphore, already locked by itself" message and the switch has started to hang a little bit. I just want to know what this log means and how to t...

Hello,I am getting InputDiscards & outputErrors on the EOBC0/0 interface of a switch:IF-MIB::ifDescr.142 = STRING: EOBC0/0     IF-MIB::ifOutErrors.142 = Counter32: 355     IF-MIB::ifInDiscards.142 = Counter32: 11666Also i am getting InputDiscards on ...

We just installed a Cisco ME-3400EG switch at one of our sites.  A Cisco C3750X switch is connected to the 3400.  When we run the command CDP NEIGHBORS, the 3400 shows no devices.  We can access the 3750 via the 3400.  Also, when we run CDP NEIGHBORS...

dtom by Level 1
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  • 5 replies
  • 0 Helpful votes

Is this a best pratice to leave these on the switch?  I do use ssh to manage the switch but I don't think these are needed for that purpose.  Any security concerns?crypto pki trustpoint TP-self-signed-xxxxxxxxxxxx!crypto pki certificate chain TP-self...

ALIAOF_ by Level 6
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We manage a campus MPLS network comprised of Cisco 76xx routers as my "P" devices.  Attached to the MPLS core are several PE devices (Cisco 6509 VSS pairs).  I have a single VRF named "students" that exists across all my PE devices.  Across this "stu...

I read the threads and have it mostly down. Just need to know if I have a switch with all set right vtp domain GENE with vlan 10 named A and vlan 20 named BThen add a switch with vtp domain GENE with a higher revision number that has vlan 20 named gi...

gene.uhl by Level 1
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  • 5 replies
  • 0 Helpful votes

Hi,I need a T1 router with these specifications:Maximum size - 16" x 9" x 4"-40C to 70C operating temperatureT1 interface with CSU/DSUInteroperability with Cisco IP multicasting.AC or DC powerQty. 5network is T1 point-to-pointThe Cisco1941 comes clos...

dstehle by Level 1
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  • 10 replies
  • 0 Helpful votes

Group  - Thanks in advance for your assistance.  I should know the answer to my question, but for the life of me I can not remember.  When you use the command switchport trunk allowed vlan add [vlan-id]There should be no drop in service to the existi...

HiI'm trying to create a vpc between a Nexus 5010 and Nexus 5020 switch. I recently upgraded the software so they are running the same version. However, I connect get a vpc link. Is there something wrong with my setup? Is a vpc between a 5010 and 502...

Hi alltoday I ran a test, I stacked 2 x cisco 3750x switches with stack power. I then removed one power cable so they ran from one power supply. a snmp trap was generated that said insufficient power, however when I plugged in a pc into both switches...