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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 have some questions about HSRP1# what is HSRP2# what is the use of HSRP?3# why do we need it4# Explain it with examplesany help is appreciatedBava

bava_ccna by Level 1
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I'm having trouble accessing the Internet after using SDM to setup my 851W. At this point, I'm just trying to get the wired LAN working.- DHCP on router 192.168.1.101-111- WAN (FE04) gets DHCP address from cable modem- Firewall enabled- Local PC does...

Resolved! ppp multilink

Dear sir,iam having 4 2mb leased lines and i connected these 4 2mb lines to cisc2821 router using wic-2t cords now i want to configure the multilink on the router and i already configured the router and i was showing multilink protocol is down .and p...

I have 5 core 6513 catalyst switch, each of those are configured VTP server for the same domain. As far as I know VTP server advertise vtp packet with configuration revision number? Clients look at the vlan that VTP server advertise and configured th...

I am trying to set up dhcp snooping and was just wondering if the commands below are what I should be using for COS and IOS. Also, how would I do a test to see if the switch disables the port if it detects a DHCP server? I was thinking I could use IC...

Resolved! First timer

Hi I usally find find solutions to my problems on cisco.com but alas i can't find a fix for this onei have a sup-7203bxl showing this error on startup- RELIABILITY DRIVER: wrong signature on NVFLASHany ideas what this meansthanks

billybong by Level 1
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Hello,During an IOS upgrade (non K9 to K9 version) on a stack, if the stack master is upgraded, I understand it will push that IOS upgrade automatically to the other stack members via the "auto-upgrade" option. This is enabled by default. If the stac...

I have a few 3750 in a stack...how do I view the utilization on those stack ports? I'm thinking about replacing them with 3560G switches with a few trunk ports in an etherchannel but I want to see what the utilization is on the stack to see if that'...

niro by Level 1
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  • 5 replies
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Hello, I'm tryng to enable BFD for OSPF on a SVI on a Catalyst 6509 Sup 720.Even if the vlan interface accepts the configuration command "ip ospf bfd", no BFD neighborship is established and there is no way to set bfd intervals.Has anybody encounter...

texoruser by Level 1
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Hello,I am having problem routing from the old network (10.223.17.0)to the new network (10.223.12.0). I want these 2 network to communicate with each other.Below is the current config of our core switch(4507R). Any changes or ideas is greatly appreci...

lazon by Level 1
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  • 12 replies
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I am trying to configure my network to do remote installation here is the configuration belowAll the servers are in VLan 9 All the other vlans are configured with these commandInt vlan 2Ip address 192.168.79.1 255.255.255.0Ip helper-address 192.168.7...

I have 2 cisco shops(Hosp) that are tied together with a VPN that they setup. on the LAN the radio equipment works fine but I cannot get it accross the WAN. I have other equipment same MODEL and firm ware the works on the WAN. WE use UDP/IP in a uni...