Switching

Hi All,Thanks in advance. We have our WAN setup as explained in the attachment herewith. As of now, We have a IP 1 configured as HSRP IP in the LAN switch end at Site A and Site B. As per the HSRP priority, Site A's WAN router will preempt to be the ...

Hello,

Hello all,I have a network of around 100 switches. I have four major distribution points that are setup like this:Switch A > Switch B                 Switch B > Switch C                 Switch B > Switch DNow Switch B is a 3750X 12 port fiber switch ...

Hello all, I have booked my lab exam today for a January date. My status is showing, paid via credit card: pending approval. What shall i do ? no payment has been done from the account, i have verified it, my lab date is just 2 weeks from now so can ...

Hello guys! We have a customer who uses about 20 x c2960's switches for access layer and 2 x c3560e for distribution layer. C2960's uses C2960-LANLITEK9-M , Version 12.2(58)SE1. Everything was working fine. Now we got information, that sometimes ther...

Hello,   Good Day.  I need to ask if what is Cisco's equivalent for SFP WDM-SM-0220B.Thanks,

OK so I am following the steps that i got from off the CISCO site on upgrading the IOS, when i get the the part where if says to:redundancy reload peer                   so after i do that i go to the standby supervisor  and i see that it is in a con...

Hello,I currently have a stack of two 3750G switches using ios version 12.2(35)SE5.I am planning on expanding this stack to three switches.I have ordered 3 3750X switches.My plan is to replace this entire stack with the new switches, and then use the...

I have 2 3560 switches that are running 12.2(25)SEE2. Port security is enabled on some of the ports. Whenever there is a power failure, when power is restored, 1 port on each switch goes to err-disabled. The mac address that causes this is a valid ad...

Hi all, There used to be a certification section also, i couldnt see it so i am posting here, kindly guide me a little on my journey. I have 5+ years of working with cisco routers and switches but we dont work on all the technologies that are present...

  Hi,I am just wondering on how mismatched MTU sizes are handled in Layer-2 networks and also inside a particular switches internal architecture.Layer 2 devices do not do fragmentation in the even of MTU mismatch. is this because Layer 2 devices do n...

Hello,We are facing issue with mac address learnt from different port-channels, 1233267: Dec 27 11:28:44.833: %%MAC_MOVE-SW2_SP-4-NOTIF: Host XXXX.XXXX.XXXX in vlan 501 is flapping between port Po60 and port Po32Connectivity is like 6500 as core runn...