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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...

Hi,I've noticed on a Cisco Router 2801 (with IOS ver. 12.4(15)T1) something strange debugging ip nat (#debug ip nat).Feb 2 13:38:43.576: NAT*: GRE port: 1709637020 - [34077]Feb 2 13:38:43.576: NAT*: GRE port: 1709637020 - [34078]Feb 2 13:38:43.708...

Hey guys/gals,I have 3750E 48 TD-S that i'm trying to upgrade the IOS on to a version that supports OSPF. Current version is 12.2.35 SE5 and apparently it doesnt support OSPF. I downloaded 12.2.44 SE5, Universal, and apparently it doesnt support OS...

I have a 7507 with 2 RSP4+s (that are identical with identical software)- they are configure to run in RPR-plus mode. The slave is not coming up- I get the following in the show redundancy command:Redundant System Information :----------------------...

For an L2 switch is it possible to define one IP@ for each vlan used on that switch ?And best practice is to use one single IP@ for management of an L2 switch or one IP@ per vlan ?

We are using 4507 L3 switch.4 Vlans are there.CPU utilization is 65% for 700 uers.From each vlan we are getting frequent disconnections when connect to another Vlan.but there is no drop while pinging to the gateway.I hereby attach the Sh process CPU....

<p>Hi,</p><p>I have a question about eigrp routing:</p><p>the Vlan interfaces 12 ( Network 192.168.12.0/24)  and VLAN Interface 16 (Network 192.168.16.0/24 ) are configured on the same switch. If  I set the command "sh ip route" from a other switch i...

To cut down on excess trash traffic, we want to rate-limit unknown unicasts.The Cisco doc does not speak to real-world usage and does not mentions all the details as shown by the NOTICE message received when trying to configure rate-limiting.ANYONE k...

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HiGot a remote site linked to my main campus by a encrypted GRE tunnel. The remote site gateway is also SRST. My problem is the remote site gateway is losing it's connection from time to time with the campus CUCM.I was able to give priority to the ph...