Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
In a network of 3 PCs (PC1, PC2, and PC3)connected through a Hub device.If PC1 sends a unicast to PC2, which devices will receive the unicast? What if the device connecting all PCs together is Switch? What will happen if the traffic is a multicast ...
Hi there,Can I upgrade IOS-XE 03.02.02.SE to latest version 16.12.08?
Hello,I have a park with more than 600 IP camera on 2960x switchsI configured a VLAN 31 as a vlan for IP cameracofiguration is correct, I can ping Cameras, DVR, central server on the VLAN but when I try to add some cameras to the main dispay screen ,...
Hi every body!i am just curious if a switch has f0/1 as trunk, and i use the command " show mac address-table", how it will appear in the output.Thanks and have a nice weekend !
Hi,I am a little confused with SVIs.This is the MAC address table and ARP on a device which is connected to a neighbor: Destination Address Address Type VLAN Destination Port------------------- ------------ ---- --------------------aaaa.bbbb.ccc ...
Hello guys,I want to know how switches that are stacked virtually would operate. Would you require separate management IP’s for them, are the configurations synch across. Also, can I run the stack-wise config on interfaces that are bundled together u...
Resolved! VPCs Peer is Dead
I have a pair of Nexus 5596 switches that are configured to be VPC peers. One of the switches is “dead” and I cannot get the active VPC member to restore the configured VPCs to resume operations.The current config of the live switch (VPC peer) is:VP...
Hello.Device is Cat 9300 switch stack (x4). OS is 17.03.03--------Loading os/cat9k_iosxe.17.06.04.SPA.bin from 172.16.1.5 (via Vlan5): !!O!!!!!!O!!!!!!!!!!!!.O!OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!O!!!!!!!!...
Resolved! Cat 2960X-- "boot system" syntax...
I am concerned that the syntax for #boot system is incorrect, which may lead to a locked out failed switch. May you please confirm that this is correct?2960X(config)#boot system flash:c2960x-universalk9-mz.152-7.E7.bin2960X#sh bootBOOT path-list : fl...
Resolved! Dhcp failed apipa being used
this is my topology and I am trying to pool my dhcp from router 2 to sw1 and 2. But for some reason my dhcp pool won't work.I have trunked bithe switches and also they are set to sw mode acc.
Hello,I am getting an error on a C9200 with the following:27246010: Mar 3 12:19:31.429 EST: SISF_DB_IOS_ERR: sisf add or update record error (Not enough space)27246011: Mar 3 12:19:31.430 EST: SISF_DB_IOS_ERR: Unable to find IP record for key XXXX::X...
We have 2 NEXUS Switches in VPC and a port-channel with 2 10G members link (one member in every switch), all this in SITE A. On the other hand, we have a SITE B with the same hardware configuration. The port-channel between SITES carries only a 802...
I was planning to upgrade the Nexus 9504 from 7.0(3)I7(4) to 9.3.X However, referring to the Nexus 2348TQ datasheet, I noticed that in the minimum software it lists NX-OS 9.2.1, but not the 9.3.X. I would like to know if anyone's setup runs the 9.3.X...
Resolved! LLQ for 9200 switch and isr 4331
Hi. I have a task to configure traffic prioritization, since the topic is very big, I don't really understand which solution in combination would be the best for me qos, llq, maybe something else... Please help.1. I have a channel from an ISP of 300 ...
Hi AllWe just purchased 2 catalyst 9200L switches. My laptop connects through the console port but only giving gibberish. I have confirmed the connection settings. Tried a couple different speeds but still the same result. I replaced the serial cable...
