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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 allhow many vtp servers (version 2) are recommended to configure in a switched network and at what layer (core, distribution or access)?thanks

erodrig by Level 1
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Hi,We've got a security audit coming up and we wanted to make sure the IOS versions we're running haven't been flagged for vulnerabilities.  Is there anywhere on the Cisco web site that notices like that would show up?  Or is there some way of determ...

HiCan someone confirm that the source ip of an ip packet when communicating with a central dhcp server will be the source ip of workstation?  IP helper-addressing configured on lRouter Lan interface so incoming dhcp request will be forwarded on as a ...

What are the consequences on the active traffic of modifying hsrp configuration between two routers : I want to change stanby priority so that my backup router becomes the master one on several vlans :fromrouter 1 :interface vlan 20  ip address 172.1...

I do some practice with switchport security.I activated sticky security on swich ports and did violation-shutdown. The problem is now that i can not find how to acitvate them again without reseting my switch. The command "no shutdown" in interface fo...

Hi,I'm configuring port security.   Does anyone know whether SNMP traps are generated when the port is configured with  "port-security shutdown?"  I see that with "port-security restrict" configured, the switch does generate SNMP messages.  But, I'm ...

hi everyone~we are set the 6509 switch 2EAfirst is active, second is standby.. and use HSRPour site issued unicast flooding...so we command " mac-address-table aging-time 14400 vlan 100 "but command sh mac-address-table aging-timeresult is the time i...

Resolved! RouterOnStick

Hi all, im new to this forum so if this is in the wrong place etc please let me know.I have configured the "router on a stick" with sub interfaces etc and connected it two my LAN which is all working good. My question is at the moment there is a sing...

Cookie.90 by Level 1
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Hi all...I have a big problem removing the master switch on a stack.If i remove it and i delete the provision i loose the configuration of the other member/master elected, like vlan's ,port configuration etc etc.How i can solve it if i follow the rig...

I have a Catalyst 3750-48TS linking my off-campus house to a campus network. We're getting a second ISP (FiOS) and I'd like to set up policy-based routing so that traffic to campus hosts (known IP address range) goes to the off-site campus gateway, a...