Switching

I am going live soon with a new failover configuration utilizing IP SLA monitoring.  I have tested my configuration as best I could in GNS3 and was hoping someone could take a quick look at what I've done before I go live.  Any help is greatly apprec...

created the vdc, allocate interfaces, but when I do a show running in vdc interfaces not appear. could help me?? thank you.

We had an instance of both GLBP nodes (both 4510's) wanting to be active for a VLAN, stifling connectivity to that VLAN. The config's are below, but as a bandaid, we shut one of the sides? Is there anything glaringly wrong here?Node A:Current configu...

Hi to all We have a 6513 with IOS 15.0(1)SY3 and we have a minor error on module 8 (active SUP) related to TestNonDisruptiveLoopback on port 5What could be the problem? Is really a minor problem?Here is the output:sh module 8 Mod Ports Card Type     ...

Group - thank you in advance for your help on this issue.Our setup - 1 N7k using 10G uplinks (po interface) to a stack of 3750X-48(2)2 Exchange servers gig attached to the second 3750X switchN7k is running 5.1.33750X - 12.2.58.se2Issue - Periodically...

how many volts does a cisco poe switch (3560 & 2960)ethernet provides

Hi,at the moment I am testing a typical nexus 7000 setup (2 Data Centers with each 2 N7K).Between the Data Centers we have a mpls core to support inter-vlan-routing inside of different vrfs.For multicast transport inside a vrf we use multicast vpn (m...

Hi experts,     I have the following diagram for reference.      CS01A and CS02A = Core Switches (C3750X)     CS01B and CS02B = distribution switches (C2960S)     ES01 to ES04 = Access Switches (C2960S)     I have a server with dual NIC and configure...

Hi allUnder what circumstances would I see the same mac address but with 2 ip addresses when doign a shwo arp on my core switch?cheersCarl

Hi,I have a strange problem here. I have a 2800 router with 3 active interfaces. I am unable to ping the IP assigned to one of the interface though it is showing as up. Able to ping the other 2 interfaces.The other end is connected to Checkpoint FW. ...

Hi allI have a server plugged into 2 different port channels, however im seeing a mac address flapping between these port channelsIs it normal to have the same mac address across 2 port channels ? or should they only be seen on one ?107383: Jun 17 10...

Dear all,we would like to connect a Cat4500E+ using the SFP+ twinax cable (SFP-H10GB-CUXXX) in length 3-5 (passive) and 7-10 (active) meters to the following modules:- WS-X4712-SFP+E- WS-X4606-X2-E with CVR-X2-SFP10Gand I've noticed that only the 1-5...

I am having some difficulty figuring out the power stack cables for 3750X.We recently had somone (physically) re-install a pair of 3750X switches, and after they had finished one of the switches was complaining of insufficient power budget.  Each swi...