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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 NetproCan Etherchannel be configured as Layer2 and Layer3. We plan to aggregate link between Cisco Catalyst 6500 and F5-LTM F5 recommends LACP. How do I configure LACP on 6500 CATOS, anything to lookout on this change.cheersTOM

I am trying to track down a packet that seems to be disappearing in our ditribution switch.  The sniff shows a destination mac of 000b.450d.000a, however, i do not see this mac address anywhere in the switch.  I am seeing the STP VLAN mac as 000b.450...

MMstre by Level 3
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I have a core switch with around 20 vlans connected.  I need to be able to do the following:1) Permit access from a specific host, to a specific host or subnet.2) Deny all other traffic from a specific host to any other vlan or subnet.What is the eas...

Hi,I can't test this out, right now. I was hoping someone here knew the answer. :) I was wondering is there a significant performance impact of putting "ip nat inside" on a 6500 interface. Assume CEF is on. Is all non-nat/nat traffic over the interfa...

loughlind by Level 1
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I have an issue and I think I know the answer but I thought I would run it by you all.I'm implementing an ospf network and I'm not able to establish an adjacency with one router. Now the router has an interface with a /16 network, whereas everything ...

I'm trying to clean-up some configs and wanted to confirm some info. A port that is configured as SWITCHPORT MODE ACCESS, has no reason to have SWITCHPORT TRUNK ENCAPSULATION DOT1Q also configured, correct?                  

HelloThis 2924 switch is reporting very high process memory usage. I cannot help noticing that holding column of show proc memory is highest for the IP SNMP usage.Is it normal for IP SNMP to require a lot of memory or could it be a memory leak?xxxxxx...

h.cox by Level 1
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Hi,I have problem with cisco 3560 switch i set up the network for 2 vlans 100 & 200 and i have direct internet cable to G0/3, now i need the people in vlan 100 and 200 to access the internet.i have configured g0/3 with the following;no switchportip a...

Hello All,I have some strange problem while trying to use the console to configure Catalyst 4507, Im using rollover cable, normal serial setting (9600-8-none-1-none). Switch has 2 supervisor engines ( Supervisor II-Plus).The problem is that, I can se...

Hello there,I have 2 units of CAT6509-E distribution switches. Each switch will has 2 x WS-X6708-10G-3C 10G modules (on slot 1 and slot 2).I am thinking of doing layer-2 2 x 10G port channeling between the 2 distribution switches. Is there any known ...

chris.lau by Level 1
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