Recently there was a debate among some folks about how STP is handled within an Etherchannel. I understand that once an Etherchannel is defined, regardless of PAGP or LACP, that the new port-channel is introduced into the spanning tree and the physic...
Hi, a security audit has found that the SSH server service on our WS-C3560X-48T-L running IOS version 15.0(2)SE5 is configured to support Cipher Block Chaining (CBC) encryption. This may allow an attacker to recover the plaintext message from the cip...
Hello all, Is VLAN translation on the Nexus 3064 a supported feature? Example, VLAN 1001 on the ingress of a port and having that translated to VLAN 1101. I'm not finiding it explicitly talked about in the documentation. The commands are there for i...
I have the follwoing topology.. I cant get the redundant link between R1 to IOS-L2-2 to work nor can I get R2 to IOS-L2-1 to work. If I put a link betweeen the two switches everything works but if I remove it everything goes down. What could the issu...
Hi , How many VTP mode Server we can configure in the cisco switches.
Hi everybody, I tried to setup a simple L2/L3 routing environment with switch and router, just for learning purpose. Please see attached screenshot for the topology. It does not work, I cannot figure out why. Both PC can ping each other and can ping ...
dear all,I'm fresher network student & studying about DHCP (through Relay agent)I routed, set up trunking & host could be able to ping to DHCP server (when setup IP static) but I have no idea the reason why it dind't workedAprreciate your all comment...
Hello, my understanding is that you can use a queue-set as a template to apply qos settings to an interface via a 'queue-set x' command, OR you can manually add those settings to an interface with the 'srr-queue bandwidth share x x x x' command. Is ...
Hello,We have a mulcitast server that is firewalled but does not pass multicast traffic from the firewall to the n5k switch. It only passes the mulitcast traffic when we take the multicast server off the firewall. I'm presuming this is so becasue i...
i want to buy 8 port IP based KVM Console Switch please help me to find exact model number ?
I have a site that is connected via MPLS. The way I access their resources (routers, swtiches) is entering through the WAN interface from the MPLS. The issue is the site is a T1. So I built an internal LAN QoS policy and applied to the LAN interface ...
hi,i am new to cisco and would like to get some advice.we are planning to purchase some new 2960x switches over internet from vendor A.however we find vendor A, smartnet pricing is too high.could we purchase from vendor B if the pricing is lower?Do I...
Core Switch CISO10/100/1000BASE T portsx24 (Combo)-1000 Base-X SFP Baysx24 (Combo)-4xSFP+10G Bays. Console Portx1 (RJ45)- Dual Power (UK/US/EU Brands)
Hello, dear Cisco.I ask you to inform me whether the following Cisco products are included in the software to ensure the conduct of special operational-search activities:Cisco Switch WS-C2960X-48FPD-LCisco Service ContractCON-SNT-WSC296XLCisco C2960X...
Hi, I have a question about dscp routing: We are using DSCP to mark Skype packets for bypass our proxy server(because skype won't correctly work with proxy). All offices are connected by switches and this trick work great. Except one. Where we have t...
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