Switching

Dear Friends, can this be explained, please. (MAC is dummy) 34565 64.061324    dddd_67:8v:36        Broadcast      ARP    56        Who has 169.254.255.255? Tell 10.1.0.125  this is an output from wireshark and what i understood is IP 10.1.0.125 ...

Hello, how to clear incomplete arp in 2960s ? I waited for more than 4 hours, but mac address is still in the mac table. DMZ_SWITCH#sh arpProtocol  Address          Age (min)  Hardware Addr   Type   InterfaceInternet  192.168.8.26            -   64a...

Hi All need little help with understanding qos on 6509. i have two layer circuits coming from dc into campus which terminate onto 6509, i need to know how to configure qos... whether to configure svi or subinterface? ....current qos plocy has voice...

Hi Guys,Recently I got 2 6509-E and some linecards, everything works fine except 1 WS-X6724-SFP. If this card has installed in the 6509-E(let say A), it would show PwrDown, but if it installed in the 6509-E(let say B), it works fine, I have tried to ...

I’ve got some wall cabinets that just might be too small.  What size does Cisco say the cabinets must be for 3850s?  I've been burned before with these really long 3850s... The data sheet shows 3850s1.75 x 17.5 x 17.7 With some 3850 models;1.75 x 17....

%ENVMON-3-FAN_FAILED: Fan is malfunctioning

Greetings, I am working on systems that utilize the Embedded Service Switch 2020-CON-B switch with the ESS-2020-16TC expansion card installed. The company who fielded this system, says in their documentation that the switch has power over ethernet ...

Hi All, I 've got a 3850 48 port POE switch, that is a continuous boot loop. Even when I hold down the mode button and go into switch: mode and try and boot off a USB stick the same thing happens. I have tried reformatting the switch flash:/deleting...

Hi , 3750- V2 power supply is showing faulty still its working in stack ,checking how member switches are getting power ,below is output for same .Can they retrieve the power through  stackcables ? Sw1#sh env stackSWITCH: 1FAN is OKTEMPERATURE is O...

I have a 4500X running Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASEK9-M), Version 12.2(46)SG  as a Core Switch. It is a single switch and i would like to configure HSRP using 3750E running Cisco IOS Software, C3750E Software ...

I have one Cisco 2951 router and a Cisco 3750 switch.   The router has 3 GB interfaces, 1 interface to the ISP and 2 that I can use for a port-channel to the switch.  I cannot do any testing, since these are used in my "production" environment.  Any...

A bit confused... Two switches may have the same number of ports and claim to operate at line rate, but their latency numbers may differ. Not sure how that can be.  For example, if 2 switches have 48 x 10Gbps ports and they operate at line speed, tha...