Switching

Hi, When i configure my 4500 series switch with redundant supervisor engine SUP-8E (in case of 4507R+E & 4510R+E) then how many SFP+ ports i can used? can i use all 16 ports as 10GE SFP+ or 4 ports in supervisor-1 and 4 ports in supervisor-2? Thanks....

Hi exeprts, I have one issue with my network switches, Switch CPU instant goes to high and instantly fall, I shared the log below. Model : WS-C2960-24PC-L IOS :  c2960-lanbasek9-mz.122-55.SE9 Log: Mar 15 22:10:27.134 IST: %SYS-1-CPURISINGTHRESHOLD...

Hi Support,                I am having 3 2960 switches in which 2 are having IOS version 12.2(55)SE3 and one is having version 15.0(2a)EX5.So I was trying to upgrade the IOS of the other two switches and I was able to download IOS from cisco page but...

Hi Guys, Had a weird issue earlier, We have DHCP server, Client can't get IP address from DHCP server though it's all wireless connection, all segment connect through that server. From gateway I can ping the DHCP server also upon checking DHCP servi...

I am a bit confused on globally enabling dhcp snooping and per vlan. Where I am confused is do I need to use both gobal and per vlan or can I use one or the other. For example: (config)# ip dhcp snooping  (config)# ip dhcp snooping vlan 10 Does the...

HI 4500 chassis sup-8e ACL entries nubmer How many can be set up? Can not find it on CCO Page Thank you for your reply.

I was given a mac address aa.bb.cc.dd and ip address, this is a FEX port, i login to the switch, then  i use show mac address-table add aa.bb.cc.dd. but can't find the port, i further use arp query by IP, also can't find the port number. I have over...

MDA Authentication on switches is by design (according to http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Security/TrustSec_1-99/IP_Tele/IP_Telephony_DIG.html#pgfId-389460) allowing VOICE authorised devices access to the data VLAN to suppor...

Hi...I need to know one thing in vlans.i have some any departments.so I am going to create multiple vlans.if I do more vlans there is a load impact or not.is it good sloution or not

I have situation like this, one cat2960 24 ports switch is connected directly to asa5505 on port ga0/0 and that is inside network. Other ga0/1 port on asa5505 is connected to router and its outside network. All computers have internet and that is wor...

Hi, when i ping across my point to point fiber. I can get ping response to maximum 1484 with DF bit set. but not above that. any idea ? as per carrier they have 1522 MTU set. 1522 bytes at the physical connection layer (14 bytes ethernet header + 4 ...

Good day all, I have been reading a lot on storm-control and have configured all my access ports with the following config storm-control broadcast level 85.00 65.00storm-control multicast level 85.00 65.00storm-control unicast level 85.00 65.00 Wha...