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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 , Please find attaached diagram.We are running MSTP in core switch and RSTP in distribution.I have a server which is in vlan 128.currently the traffic is passing through core sw2.(HSRP priority 110)As per stp "core sw1" is the rootbridge for vlan ...

Robo123 by Level 1
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  • 7 replies
  • 0 Helpful votes

Hey,  I have a VLANs architecture where a switch has a separate VLAN with a core switch for inter-vlan routing. All the switches are connected directly to the core switch and while having information about all the directly connected neighbors through...

Beginner by Level 1
  • 859 Views
  • 5 replies
  • 0 Helpful votes

All out firewall and switch are Cisco ASA and switch 2960. One of computers keeps having this problem. Once for a while (in one or two days), the computer can't ping outside IP address like 4.2.2.2 and 8.8.8.8. The computer can ping inside network re...

blin by Level 1
  • 2247 Views
  • 11 replies
  • 0 Helpful votes

Dears, I m trying to restrict the VTY access by an extended access-list , whenever I specify the extended access-list with source and destination and port number on a VTY lines, it doesn't work, when I remove the port number it works fine, what is mi...

adamgibs7 by Level 6
  • 1473 Views
  • 6 replies
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Hi,   I'm trying to upgrade our production 6509 supervisor 2T 10GE switches from version 15.1(1)SY4 to 15.2(1)SY5. I can copy the image to the slave supervisor with no problem but when I try to copy to the active supervisor I get the following error ...

Hi there,  I'm configuring dot1x with Windows Server as Radius NPS. Authentication with username is working well. I've configured "authentication violation shutdown" (port will be shutdown and in error-disable mode), but when authorization is failed,...

SamSaul by Level 1
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  • 4 replies
  • 0 Helpful votes

Hi community,   I am trying to configure shaping of traffic as it egresses out of a switchport. I have configured the ACL, class-map and policy-map and have applied it to the interface using the service-policy command, but I receive the error below. ...

Hi, i need help and suggestions on this issue i am having. As shown on the sketch, i have a single host server connecting to my core setup. This server has two nics with vlan 100 transiting my core with the GW on the Firewall as do all my other vlans...

frimpsjk by Level 1
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  • 5 replies
  • 0 Helpful votes

Hi All,   I would like to know from the below what the preferred path would be for the same route? Does the path in the global table win or the vrf table?   #sh ip route 12.191.38.231 Routing entry for 12.191.32.0/19   Known via "ospf 1", distance 11...

Dear Community   I'm currently looking for a router platform, which should be used as a home gateway on 400 Mbps broadband access. Until now, my 880 Series ISR (C881-K9) has been working very well, but due to its limited line rate (100 Mbps), I'm con...