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Forum Posts
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...
Hi All, Need your help in undergoing an Activity. I need to do replacement for failed Supervisor Engine 720 10GE (standby) on Cisco 6509 in production. We have not to do a Hot Swap, but it has to be done after powering down the Chassis. I think afte...
Hi If the TTL value in the ip header will stop ip looping , why the same not implmented in the frame ?Thanks
Hello All,I'm troubleshooting High CPU Utilization issue due to Virtual Exec Process in 3750 switches.Is there any way we can limit the data transferred from the router to the telnet session? Any help is appreciable. Regards,Thiyagu
some time ago I did an IOS upgrade on the Catalyst 2960, however I used the wrong image and caused the switch CAN NOT load properly. My switch is c2960 but I used c2960s, what a big mistake. When the switch boots, and it hangs on the execution of the...
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