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Resolved! Cisco Switch SG220-50: Invalid port id

I have cisco SG220 series switches with 50 Port available for use before unknown incident happened. After the unknown incident happened 24 port consist of Gi1 - Gi12 and Gi25 - Gi36 can't be used. when i attach a UTP cable with the other side connect...

9500-32C Breakout 100G to 4x25G

I'm working with a Catalyst C9500-32C on version 17.1.1. I have a QSFP-4SFP25G-CU5M module in port 2(the port is breakout enabled). Cisco Optics-to-Device Compatibility Matrix shows that QSFP-4SFP25G-CU5M is compatible with C9500-32C on version 17.1....

prafla001 by Beginner
  • 6 replies
  • 0 Helpful votes

#show policy-map control-plane

I'm trying to see if the packets for a class-map I set is within the rate that I set in my policy-map, how many packets dropped, etc but when I do show policy-map control-plane, there is no output: #show policy-map control-planeLoad for five secs: 1%...

D@1984 by Beginner
  • 3 replies
  • 0 Helpful votes

Cisco 4948-10GE Won't Boot into iOS

I tried to upgrade my cisco before and it stop booting up after i rebooted. Now whenever it boots with autoboot i see...*********************************************************** ** Welcome to Rom Monitor for WS-C4948-10GE System. ** Copyright (c) 2...

Multiple subnets on same VLAN

Dear all,We are having a setup in which a server is installed with ESXi type 1 hypervisor. The server has been connected to nexus 9K switch port for internet connectivity . We want to create multiple Virtual machines on a server and on each machine w...

Resolved! Ping packet lost by ARP

Hello,First post, sorry if it's misplaced. So i read that the first packet from the first ping between a switch and some other device is lost, due to the switch having no entries for the MAC address in the ARP table. But i can't figure out exactly wh...

trane.m by Beginner
  • 4 replies
  • 0 Helpful votes

Catalyst 9300 discards

HiI wanted to share an issue I've had with OSPF and Catalyst 9300 switches. I would like to know if anyone else has seen this or not?We recently purchased 2 * Catalyst 9300-48UXM switches. Switch1 has C9300-NM-8X card installed and network advantage....

roysm by Beginner
  • 2 replies
  • 0 Helpful votes

cisco 9200 flash

the sh flash give me the 846200832 bytes available (1011351552 bytes used)the total files length  is 495013974 not 1011351552.I removed an old bin file (about 500Mb) but  it looks like it hasn't been removedthe file does not appear in sh flash comman...

furio by Beginner
  • 16 replies
  • 0 Helpful votes

Resolved! mass TDR testing on 2960x switches.

We have had a new building cabled and i don't trust the test results given to us by the cabler.We have over 2000 ports via many stacks of 2960x's a spot check via the TDR command on ports that are connecting at 100 and should be 1000 are showing brok...

Magnets by Beginner
  • 9 replies
  • 0 Helpful votes