Hello Everyone,I read lots of stuff to refresh my knowledge on STP protection mechanism, and I still need your advice on the following:There is a customer network connected to ours using a trunk port. What is the best way to protect my network agains...
Forum Posts
hello everyone, I have enabled igmp snooping on pair nexus switches, and one of the switches logs shows the following (show ip igmp snooping event-history vlan ), what is the meaning of the first line ? 2022 Oct 27 14:41:23.185364 igmp [8299]: [84...
I have just noticed IOS 15.2.4E10d has just appeared (7th November 2022) on CCO for the Catalyst 3560X series. There don't appear to be any release notes for this version (yet...). We no longer have any of these on support so I can't download this....
HiI'm trying to use the feature in a Cisco Switch that should be able to allocate an IP-address to a client based on what port it connects to (reason is is we have to replace a HW on a specific port the new HW SHALL automatically use the same IP as t...
Resolved! Communication between different VLAN
In my previous understanding, there is no way to communicate between two VLANs using only layer 2.After all, this is the purpose of having VLAN. But today, I heard sth really interesting from my coworker(I am really new to networking).They claim that...
Hi all, just wanting to confirm whether or not this solution is possible - the switch is unable to do "ip nat pool...." which a router can do and that might be what is preventing me from getting this to work.The Brief:I am trying to get 4 x Outdoor A...
Hello everyone,I'm not sure some of you maybe having an same issue with me, about weird logs.Yesterday, there were switch logs about interface down.On the switch logs (sh log) 5 interface ports has been down, but we don't have interface connections o...
Hi I am looking for 22 inch rack mounting kits for Cisco catalyst C9300-24P-E which are 19 inch?What are the option do i have? Appreciate your support. Regards,Amit
Resolved! VXLAN and gateway
Hello, Two users contact each other over VXLAN. I notice the user config is like the below. The user config use router to simulate user pc without gateway setting up. Is this correct? Thanks hostname HostA ! interface GigabitEthernet2 mac-address 0...
What happens if I give transport output command?
Hi,Currently trying to configure two HP C7000 Chassis ports bundled into one EtherChannel, trunking multiple VLANs on a Cat9300When we configure the interfaces with channel-group 10 mode on, both links come up bundled into the port channel but the ho...
Hello,I want to monitor the hard disk of a Cisco appliance, be it a Cat 9500 or a 9800. However I cannot seem to find the OID for that. DEVICE-WLC01#dir ?/all List all files/recursive List files recursivelyall-filesystems List files on all filesystem...
Resolved! VRRP configuration
Hi everyone, I have two switches. one 9200 and another 9300.I want to configure VRP between them, but the vrrp commands do not appear on vlan interface configuration.I've checked and I need to execute a command "fhrp version vrrp v3" first into the d...
I am experiencing issues with a Cisco 9300mac address table not refreshing. Mac Address are getting stuck on the interfaces. I have configured port-security on the interfaces.
Hello... Simple question for you experts...All I want to do is move mac address "0013.cb11.0a59" from VLAN 20 to VLAN 520... but how would I do it when the port is a trunk and I don't want to move the whole port to VLAN 520?Cheers All.Core Switch#sh ...
| User | Count |
|---|---|
| 10 | |
| 7 | |
| 7 | |
| 5 | |
| 5 |
