Hi everybody.I'm facing a bit of an issue with dot1x authentication on Cisco iOS 15. My knowhow might not be complete in this area (dot1x), so please eventually explain to me what I missed...Now, the problem is as follows: on a couple of switchports ...
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Forum Posts
Hi , How an Ethernet switch creates a collision domain on each port? Thanks
From the datasheet the 2960X lists E-LLW. Is the 2960XR covered under E-LLW?
Are there any disadvantages to using an older WS-X4548-GB-RJ45V module in a 4500E chassis?
Resolved! VLAN re-design help, dropping VTP
We are currently using VTP client/server and spanning all our vlans to all switches. I was told this was a bad design and to create the VLANS on each switch and do more routing at the edge/access layer.We mostly have an access to core design with a c...
Hi guys,I have a doubt about trunk and port-channel:Which configuration is correct to do a port-channel with trunk between two Gi ports ?Configuration a)interface Port-channel1 switchport trunk encapsulation dot1q switchport mode trunk!interface Giga...
Hi All,When running etherchannels (x6 in this instance) from a 3560 to a stack of flexstacked switches (in this case 3 2960-S) I have all the etherchannels going to the 1st switch in the stack, for example 1/0/1 - 1/0/6 interfaces.Should I actually h...
I have both sides configured the same on these two switches but I can not ping the ip's on the other side from the 6509. int Gig3/3SwitchportSwitchport trunk encapsulation dot1qswitchport trunk allowed vlan allowed 192-195, 253, 254, 999switchport mo...
We sometimes push IOS upgrades to mixed stacks of C3750E & C3750G switches via Cisco Network Assistant. Sometimes the first switch (master switch) will reboot during the image upload before it is done. Anyone know why that would happen? The first ...
Hello,we have a lot of C2960, C2960S, C3750, C3750X and C3560 running either IOS 12.2.55-SEn (actually the SE9) or 15.0.2-SEn.Recently we ran into bug CSCuj03351 ('DHCP discover packets not forwarded on 2960S'), which is a duplicate of of bug CSCui65...
I have a 887VA and i'm trying to config QOS for VoIP This is what I'm trying...ip access-list extended VOIPpermit udp any any range 10000 20000permit udp any any range 5060 5062 class-map match-any VoIPmatch access-group name VOIP policy-map VOIPQOSc...
Resolved! Cisco real-life 6880 power utilisation
Is anyone able to share a 6880 “show power”?We've a situation where we're limited to 2 kVA racks, so we considering purchasing a minimally configured 6880, which seems to be a good fit feature/budget wise for a deployment that is unlikely to grow.We'...
Dears, If i have 2 Nexus7k with 2 vDCs created , one for campus and the other for DC as show below :-can i have this setup(VDC Campus)N7kA----Trunk-----Bridge 1 interface---ASA1------Bridge1 interface-----IPS----Trunk--N7kA (VDC Datacenter) So basica...
What is the chance of cisco 3750x 24 port poe switch failure? is backup necessary for this ? please answer me in details.
Hi , We have issue on 2960 switch where we are seeing duplicate MAC address on switch . 4c00.829d.88bf is mac address of Distribution switch and it has two vlan 1101 and 2101 which are in trunk passed to access switch of 2960 series. But in the mac a...
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