I have 2 Nexus 7k in our data center 2 - vPC peerlinks ( one on module 1 and the second on module 2)1 - peer keepalive ( layer 3 on moduel 3)45 vPCssupporting about 50 "top of rack" switches ( 4948s and nexus 22xx ) Nexus 1 role is primary Nexus 2 ro...
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Forum Posts
As per my understanding 6509 all slots are dual channel, so 9 slot * 40 per slot (20 g in and 20 g out) = 360 GBHow cisco claim the 720 ?? What about the 6513 chassic switch fabric connection?
Resolved! Bridging loops - STP protection
Hello Everybody.I have a question, maybe a simple "classical" case study, I'm sorry, but I cannot figure out how to come out of this.I have a network where if an end user attaches an hub to the network, or rather one of those cheap unmanaged 8-port m...
Hello,Please see attached diagram first.Vlan 1 , 10 , 20 PCs can ping each others, but cannot ping 200.1.1.2. I want those PCs can reach 222.0.0.2 server.Please help !
HiI have a customer who requires to identify and police traffic on egress on a 3560 trunk link. I cannot use ingress classifications because we do not know what route the traffic will take yet. The egress interface connects to multipoint wireless e...
Resolved! Switch 2960 and 3750v2
Good Afternoon, Thank you for for help me with the following questions.Regarding the switch WS-C3750V2-24TS-E. 1. How much memory RAM brings the Switch by default? 2. Does this switch supports the IEEE 802.3ae?About the switch WS-C2960-24TC-L, please...
Resolved! How to upgrade C3550-24-EMI
I need your help in the process of upgrading IOS image in this particular switch to c3550-ipservicesk9-mz.122-44.SE6.bin. Thank you for your help.SW1#sh version Cisco Internetwork Operating System Software IOS (tm) C3550 Software (C3550-I5Q3L2-M), Ve...
Resolved! NAT and Routing
Dear Sirs,as shown in the attached diagram, the laptob user want to use an application in the server but the user shoud pass all the routers between him and the server (R1,R2,R3) so what is the additional configuration should we add to make him able ...
Resolved! how to achieve eigrp load balance?
hi:base on the below topology, I have two questions about eigrp loadbalance. first, why i can see the router to 5.0.0.0/24 in topology table but when i try to see the specific routes to 5.0.0.0 with command " show ip eigrp top 5.0.0.0" it says the ro...
Hi All, I need some urgent assistance with adding a vlan to the trunks bundled in port channel. I know how to add vlans to a port channel with cisco IOS but with CAT OS i'm a bit nervous.I have 2 ports bundled to form ether channel in switch which i...
hi experts,I would like to ask you something aobut L2 switch...I don't know how is possible that L2 switch may to performe some checking (security ACLs) on layer3 and layer4? How is this possible omg, that's L2 switch... from switch book: securit...
I've 8 Static IP assigned me from my ISP.x.y.w.56 (not usable)x.y.w.57x.y.w.58x.y.w.59x.y.w.60x.y.w.61x.y.w.62x.y.w.63 (no usable)Subnet 255.255.255.248I've a 877 Router and I would to:NAT al LAN Client with x.y.w.57Configure some ports ( i.e. 80 and...
Hello,I'm just wondering how sticky ports work. We have a few Cisco switches that have single devices plugged into the ports and I know if I enable sticky ports thenthe port will be locked down to just that mac address. However we have a few ports ...
Hi All,We purchased ME 3400 switch and trying to implement it. But its quite surprising in the ME3400 configuration guide that the switch does not support VTP. When I checked in Feature navigator under feature "VTP" i could see ME3400 supports VTP. B...
Spanning Tree protectionBPDU GuardPrevent loops if another switch is attached to Portfast port enabled port.When enabled on interface, port goes in error-disabled state if BPDU is received Switch(config-if)#spanning-tree bpduguard enable ...
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