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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...

I was performing a remote IOS XE software upgrade on a 3850 stack and the process appears to be stuck.  It has been stuck like this for a few hours now and doesn't seem like it will complete or error out on its own:  SWITCH#software install file fla...

jmorgan04 by Level 1
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Dear All, I am having 2 cisco WS-C4507R+E running in VSS mode. Both the switch is having 2 supervisor each. (Total 4 sup). How can I upgrade the switches without downtime, show moduleSwitch Number: 1 Role: Virtual Switch Active Chassis Type : WS-C45...

Hi, we have 50 remote sites all connected into an MPLS network. We have 2 central sites within this MPLS network which are directly connected via a 100mb line via 2 core switches. The only way for clients at any site to reach the internet is via cent...

louis0001 by Level 3
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  • 1 replies
  • 0 Helpful votes

Resolved! LAN Crashes

Hi to everyone, I would like to share with you a problem that I'm facing nowadays in our showroom network. The architecture is really simple no segmentation and one VLAN: FTTH Alcatel Lucent router plays role of modem. Cisco 887VA router connected ...

I have a simple question I'm having difficulty finding an answer to. Can I use overlapping VLSM statements to break off only one (or a few) /30s in a different area? Something like: network 192.168.253.0 0.0.0.255 area 0 network 192.168.253.64 0.0....

I have been tasked to implement port security for specific vendors. We do not know what the MAC address is prior to them plugging in but we do know the vendor portion of the MAC. Is there any way to apply a wildcard filter for these vendor MACs in po...

zzbronski by Level 1
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I have a basic 77k 5k infrastructure.  Two 7706/F3lc on the top running layer 3 with Fabricpath connections going "south" crisscross to a pair of layer two 5k's on the bottom, and classical Ethernet VPC's out the bottom of the 5k's. Data is flowing, ...

I have a switch  cisco catalyst 2960CG-8TC-L (mini switch), and I can't connect it with telnet because there is no login local on it, and I can't write on this switch this command. Does someone know the command of this switch for enable login local?

Hello, Is it possible to configure Flex Links between a Cisco switch (C3560G) and a non-Cisco switch (HP J9853A 2530-48G-PoE+-2SFP+)? I'm struggling to find anywhere that says definitively whether Flex Links can be used between Cisco and non-Cisco ...

gdg230001 by Level 1
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I have a Cisco 881 with a port forward for public RDP. I have setup a site to site VPN with a vendor of theirs from one specific host to a specific host on their end. They can ping our host but cannot RDP to it. If I remove the port forward for the P...

nwest0010 by Level 1
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Hi all, after installing the Cisco ASA IKEv1 and IKEv2 Buffer Overflow Vulnerability CSCux42019 patch, we have problems if more then one user connect with the same external ISP source IP to a Cisco-ASA VPN-Gateway. Only the first session established,...