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...
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Forum Posts
Resolved! Basic questions related to Networking
Hello Experts,There are some questions which is related to Cisco networking:1. I wants to know which one is best for network to be used as DHCP Separate, Windows server or L3 switch (ip pool) ? Plz expalin with reason2. Everyone knows that switch ...
Resolved! prune message on LAN and timer , ip pim
Hi everybody.I was reading about the override prune message or joint message.Please consider the following example: R1 f0-------------Sw------------------R2---H2 ( 224.7.7.7) | | ...
Hi, you find attached my network architecture with 2 Nexus 7010 on core layer and 2 Nexus 5020 on distribution layer, each one with 1 N2148T fabric extender switch. PC-A1 and PC-A2 are connected to one N2148T, PC-B1 is connected to the other N2148T. ...
Dear All,In a Production Network, is there any specific reason for disabling the CDP Neighbor ?I've joined a New Company and while going thru their Network Infrastructure, noticed in few 3560 Switches, the CDP is Disabled. I'm not very much sure abou...
Resolved! Denying VLANs access to other VLANs
Guys,I've got a 3750x stack set up as my core switch (only a small-ish environment) - I'm shortly going to be deploying an enterprise wireless network with Corporate and Guest SSID's. I'm going to be putting all traffic from the Guest SSID in VLAN 24...
my settings:Switch layer 3 SF300-24 set in layer 3 mode. i setup 3 vlans, in addition to the default vlan1. all routing work fine between the different vlans. My problem is that in traceroute (say if i traceroute from a pc connected to a vlan), the v...
Hi all,I know the concept of etherchannel But I don't know how it works and I want to know how many maximun links are used to bind as single logical links and also how many minimum links are used to bind as single logical link. Thanks and Regards,Kab...
Resolved! Jumpering ports..
Hello,I've been searching quite extensively on Google, but haven't found anything that I've got working.For testing purposes I want traffic transmitted into the switch to pass through all the physical ports. To achieve this I will patch the ports i...
1) I have configured two vlan on my core switch(VLAn-100, VLAN-200)2) HTTP , SMTP(mail server) & PC1 are there in vlan 1003) PC4,PC5 & PC6 are there in vlan 200what access-list should be created to below task:-1) PC4 & PC5 in vlan 200 should be acces...
Hi all,I need some help here, this is the first time im posting something in this forum, so i apologize if its in the wrong location.I have a Cisco 2611XM (MPC860P) that i use at home, purchased it when i enrolled in my CCNA certification.It never oc...
Hello I have a big doubt regarding if an intese broadcast storm could cause a L2 switch could enter in a fail-open mode, I think maybe but I am really not sure.I hope someone could solve my doubtThanks in advance
Resolved! PVLANs and "daisy-chained" switches
We have a few C3750E switches in our environment. To lock down host L2 traffic between each host we utilize PVLANs. Due to the requirements presented we cannot do any trunking with the primary vlans so each promiscuous port has it's dedicated physica...
I have a pair of Cisco Nexus 7009 with 2 F2-series 48 port 10gbe modules each. I also have 14 NX 2248 FEXs. I intend to dual home each FEX to each 7K. Can I do that with enhanced vPC? Does NX7K support vPC+?
Dear Team,One of our clients is planning to deploy CAT-7 Copper (10G) and OM3 Fiber (10G) for backbone connectivity. They're planning to configure a Etherchannel using both the connections together. Fiber will be terminated on an SFP and Copper on an...
Hi Everyone,First time posting. I'm trying to deny traffic to a few vlans in our network but allow connection to a host on a vlan that is being blocked. It didn't work and I tried removing the access list but it still shows up in the running-config...
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