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Hi everyone!I´m a student from CCNA, the problem in my Net is When i ping PC1 from PC7 (or upside down) i get "Desination host unreachable". I want get all devices are connected. One more doubt, how i know MLS and R1 are connected? i don´t understand...

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JeremyOc by Level 1
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Resolved! Failover Ethernet

I remember reading some time ago about "Failover Ethernet" on Catalyst switchports.  This was kinda like a port-channel in "mode on" except that it was not a port-channel, but still bound two interfaces together so that only one ever was active, with...

I have a 2960X 24 ports switch, ports 1-12 are divided to vlan41, ports 13-20 are vlan42. PC1 is in vlan41, PC2 and PC3 are in vlan42. PC2 and PC3 are both able to communicate with PC1, but PC2 cannot communicate with PC3. If plug PC2 and PC3 into po...

ysu by Level 1
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  • 18 replies
  • 0 Helpful votes

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 Level 1
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Hey, i have c9500, 48Y4C, and i tried to use this command: power redundancy-mode combinedAnd i get: Invalid input detected at '^' marker.The command power redundancy-mode combined is used in Cisco Catalyst switches to configure the power supply redun...

Hello, I have configured a trunk port on a C9300 stack as follows:interface TenGigabitEthernet3/0/37switchport trunk native vlan 91switchport trunk allowed vlan 2-4,81,91switchport mode trunkno ip igmp snooping tcn floodIt will pass untagged traffic ...

bdgarcia by Level 1
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  • 16 replies
  • 0 Helpful votes