Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...

IMG_1447.jpeg IMG_1448.jpeg IMG_1446.jpeg
amnavada by Cisco Employee
  • 1732 Views
  • 29 replies
  • 1 Helpful votes

Dear friends,We have a switch with part number WS-C4948-10GE  and the power supply "PWR-C49-300AC" has failed. However, in Cisco Hardware installation guide, i dont see any removal and replacement guide for the power supply though i see it for 4948E ...

Dear MisterI charged a IOS version in the sup-bootdisk in my Supervisor ws-720-3b.I have two IOS:Router#dir sup-bootflash:Directory of sup-bootdisk:/    1  -rw-    78859268  Nov 20 2009 14:21:58 +00:00  s72033-ipservices_wan-mz.122-18.SXF17.bin    2 ...

I was wondering if the DSCP identifier is supposed to be stripped when going through a routed port.  I am using a qos-group of 5 for marking on two different ports.  One stays on the same vlan when I network trace it and the other is routed before I ...

jwilde by Level 3
  • 1012 Views
  • 1 replies
  • 0 Helpful votes

I have a 2821 rtr serving up ip addresses to some 7961 phones all connected to a 3560-48 port switch and everything has been working great.The other day the 3560-48 power module went out so no POE.We can get the phones online with local power and the...

Hi,we have a problem of memory leak in a 4507 router. It seems to be related with the process HTTP CP. So I think that we are hitting this bug:CSCsk34832ION: Memory Leak on HTTP Core Symptom: Memory is leaked when connecting to the device using HTTP....

I'm trying to connect a 4500 switch to our existing network. We are connection using 10gig modules. The problem is when we connect the router to the switch the interface starts flapping and error disables itself. I walked the whole path looping the f...

magnumpi83 by Community Member
  • 1764 Views
  • 1 replies
  • 0 Helpful votes

Hello,I would like to know how can I disable user 'root' who logs in to the router without password (cisco 800 series).Thank you.

New blades (module 11 and 13) are recognized by the system, but not powering on. See Below:trd651301#sho modMod Ports Card Type                              Model              Serial No.--- ----- -------------------------------------- ---------------...

Ethernet0 is up, line protocol is down  Hardware is QUICC Ethernet, address is 0010.7bf2.3638 (bia 0010.7bf2.3638)  Internet address is 193.1.1.4/24  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 128/255, load 1/255  Encapsulation ARPA, loopback...

sherlon86 by Community Member
  • 937 Views
  • 2 replies
  • 0 Helpful votes