Switching

I'm trying to configure a pair of 4500R+E (with redundant SUP7-E)s to build a network system will that support multi chasis port channel. I now ended up with a fact that VSS cannot be done with 4 SUPs. Since the functionality need is, having a sys...

Hi all,In my customer having 3750 switch and they have simply assign IP address for vlan and enable telnet in switch and other things are same as default switch.In this switch they have connected 8 cisco layer 2 switches(6 managed and 2 unmanged swit...

I have a few questions about setting up extended mac access-lists. Using what we have in place now with the switches, we are trying to prevent unauthorized devices from connecting to the network. Using port-security at this time is not an option.We a...

I have  customer that we have configured netflow on the 2821 router that their traffic is on.  Currently the company they have contracted with for the analysis is seeing data duplication.  Below is the configuration for the interface and the routerCi...

                               link 1Switch_1 4506 --------------------- ASA_1 5520              |                                    |              | trunk                            |              |                                    |Switch_2 4506...

What the below error want to tell us ?%C4K_REDUNDANCY-5-CALENDAR_RATELIMIT: The calendar has been successfully synchronized to the standby supervisor24 times since last cale      ndar syslog

Hi all, We have two Nexus switches in our network, one of them is Nexus5020 other Nexus5596UP. System image is identical on both switches 5.2(1)N1(4). When we try to setup VPC between these switches we see that all configured vlans on VPC peer link ...

On googling I came across documents that say OTV (Overlay Transport Virtualization) is supported on Cat 6500. Does anyone have authentic information whether OTV is supported on Cat 6500, especially with Sup-720B? FYI, Cisco Feature Navigator does not...

Hello.Can you help me please.I have in the same switch WS-C2960S-24PS-L (12.2(55)SE5) one WLC with 3 EP like that :* Port Gi1/0/24 : WLC 2406 (7.0.220.0) port1* Port Gi1/0/4   : EP AIR-LAP1142N-E-K9  * Port Gi1/0/7   : EP AIR-LAP1142N-E-K9  * Port Gi...

Hi WS-C2960PD-8TT-L               is a poe switch or not or which is the 8 port poe switch avaliable

HI PC -> core SW(6500) -> fiberswitch -> fiberSW - > core SW(4500) -> ------- ping time < 1ms Reply from 10.10.3.7: bytes=32 time<1ms TTL=254Reply from 10.10.3.7: bytes=32 time<1ms TTL=254Reply from 10.10.3.7: bytes=32 time<1ms TTL=254Reply from 10.1...

I have my core router IP is 192.168.1.1/24, in case attacker assign same IP 192.168.1.1 on any host in same VLAN segment of 192.168.1.0/24 then my router will down or inconsistency arrive on network. Any idea how to restrict/ block critical device IP...

We want to bind auto MAC and IP Address. We are not using the DHCP Configration.we are using Cisco 2911 , Cisco 1951 Series Router in our Netwrok.Suggest Thanks Jayesh