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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...

good day to all!.I am currently working and studying on a possiblity of a large networking project.I have dealth with basic networking in the past, but not this complexity.I will be needing to wire a new office building. And I am hoping to get some t...

I connected a Dell Vrtx chassis with a built in L3 switch to a nexus 2000 fex but the port immediately becomes disabled. Any idea?

Dragomir by Level 1
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  • 12 replies
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Hi allI am building a lab before I can move on to seperate our existing network (no VLAN, all devices in the same subnet)I use 01 cisco router 2911 to connect 01 no-VLAN network with other VLANs networkThey can work well if I point the default gatewa...

HII have a problem with a cisco catalyst 3750.I need to monitoring a port network traffic.The source port is 21 and the destination 22.All run in default vlan 1To do this:-a network sniffer is connected to 22 port.-I create a new vlan 10-I put the po...

d.camboni by Level 1
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Hi,we have Nexus 4001i in our IBM BC,we can see on the uplink interfaces (1/15):  Tx    3522860458 output packets 2030 multicast packets    0 broadcast packets 59210028 jumbo packetsbut on the other interfaces there is no Jumbo frames at all.i would ...

yaron.abo by Level 1
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Dear all,For the debugging purpose I need to save every communication from and to an ip address 10.10.10.20 connected to a cisco manageable switch. This pc is connected to fa0/10. For better debugging purpose I need the communication to a port no 675...

I have attempted to implement DHCP snooping and have been having some strange issues. I have 5 3560s taht I use for my edge and when I attempt to implement on all five, the VLAN that houses my voice data appears to no longer be able to recieve DHCP l...

cltrenholm by Level 1
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  • 15 replies
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HiI have been using the feature navigator to compare the following images:s72033-adventerprisek9_wan-mz.122-33.SXI4a.bins72033-adventerprisek9_wan-mz.122-33.SXJ5.binI am finding it strange that the tool is showing 'ip routing' as unique to 12.2(33)SX...

I posted an issue I was having here a while ago. The router internal interface would go down intermittently. From the switch I could see all internal interfaces were up and I machines within the LAN could communicate; however they could not access th...

Hi guys,As per the link below, I could only configure 16384 routes (sharerd between IPv4 and IPv6 prefixes).http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/configuration_limits/limits_521/nexus_5000_config_limits_521.htmlAre there an...

John Pong by Level 1
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In configuring Control Plane Policing (CPP),  I use ACLs to filter packets, not all packets pass the permit statements and thus are denied. How do I see which OTHER packets are being denied. I tried to add the “LOG” keyword to the end of the deny sta...

fsebera by Level 4
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  • 8 replies
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Hi all, I was going through datasheets of 2960s/x/plus. I saw in 2960 plus that no value for switching bandwidth is given however its written that switching bandwidth is full duplex capacityWhat does this mean

Jonn cos by Level 4
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  • 1 replies
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In my server switch one vlan is creeated and that is 10.101.190.0/24 and firewall is connected then firewall is connected with my core .i want to some ip address of server series in my core ,how will be created and how it's possible.