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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Resolved! cpu @ 99%

I have a 4510 that I recently put into production and its cpu is pegged at 99 constantly. A show proc cpu sort showsCat4k Mgmt LoPri to be the main culprit. A sh platform health reveals 2 processes that looked to be associated:K5L3Unicast Adj Tabl ...

                     Hello. All,                                  I created a vlan interface 121 on a 3750 layer 3 switch and did a no shut on the interface and i still can't ping the address from the switch. Yet There are other vlans like 112 I can ...

Hi,I've got a C3750G-24T that I'd like to boot over tftp, but it just isn't working. I know that the tftp server is working correctly and have tftp copy'ed files between the switch sand the server.The boot system line is#sh boot BOOT path-list      :...

we have 1 router (A) connected with 2 router(B,C) with ospf , we need  router A to do  load balance  on B,C .the problem that router A send the traffic to router B and did not send to  router C , we do check in routing table on router A we found the ...

Why i cannot see the neighbour in the "show cdp nei" command?km61d-d5brs01#show etherchannel summaryFlags:  D - down        P - bundled in port-channel        I - stand-alone s - suspended        R - Layer3      S - Layer2        U - in use      f - ...

Dear Experts,ACL not working in cisco 3550.current IOS : /c3550-i9q3l2-mz.121-22.EA9.bin"I need to deny host 10.28.0.30 from my network.my ACL :ip access-list extended abcdeny ip any host 10.28.0.30permit ip any anyint vlan 100ip access-group abc out...

I have a problem configuring 802.1X.There is an intermediate Cisco switch between supplicant (WindowsXP) and authenticator (Cisco switch). EAPoL doesn't pass through this intermediate switch. It requires supplicant and authenticator to be physically ...

SLukyanov by Level 1
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I am getting input queue drops on a gigabit interface with overrun errors on my 6500. There are no flushes.CORE#sh int gi 1/39GigabitEthernet1/39 is up, line protocol is up (connected)  Hardware is C6k 1000Mb 802.3, address is 0005.7444.5482 (bia 000...

jennyjohn by Level 1
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Dear Community!Could someone help me to fine-tuning DNS server configuration?I'm configuring an IOS router act as a DNS server with the following parameters:ip name-server [IP #1] [IP #2]ip dns serverip domain round-robinip domain name [domain.net]Th...