Hello.If an L2 switch cannot read VLAN tags, will the VLAN tag still exist when the switch transmits the frame it out it's egress port?Thank you.
Forum Posts
Hi guys,So after my CCNA i've failed to get a networking job and do much with my networking skills i've built up.now I'm going to start picking it up again and relearn my skills for an opportunity at my work.But I'm running in to an issue with my pac...
Hi all, I have applied STP to interface 1/34/1 and attemping to use 1/33 as the default path for traffic, it is still showing BLK... any suggestions. conf interface e1/34/1spanning-tree vlan 104 cost 2500spanning-tree vlan 107 cost 2500spanning-tre...
Resolved! Cisco nexus n3k random reboot
hello friends, for the past few months I have had a problem with my cisco nexus n3k where the switch restarts itself, the restart frequency itself can reach 3 or 4 times a week, I have tried "show ver" but the last reset reason is always "unknow"
Hi, we have a cisco 9500 it says BOOT FAIL ROMMON INVALID or TIMEOUT Is it possible to recover this switch or its dead?
Hi there,I have been trying to login to the catalyst. But as I select the com port, the 9600 baud rate etc, I then get a series of never ending messages lines "...native vlan mismatch discovered...etc...etc" and other ones as per attached images.Ever...
If I enable "ip address dhcp", the interface will get an IP from the DHCP server. "ip dhcp client" does the same thing, so why do we have two different commands?
First off i am not a huge fan. these are replacing Catalyst 2960s (they were still working fine but boss wanted to replace because they were old). Long story short issues have been coming up since they were installed and configured (configured by our...
We are experiencing a weird problem with a Nexus 9332PQ (NX-OS 9.3(8)). When there is an SSH transfer between two directly connected hosts, this CoPP policy kicks in: class-map copp-system-p-class-management (match-any)match access-group name copp-sy...
Hi,I've read a few guides on adding a new Catalyst 9200 to an existing stack, including making sure they have the same version.But one thing that wasn't clear was if you had to do any other basic preliminary setup on the new switch before adding it t...
Hello, i am currenlty working on a project in packet tracer which involves site to site communication but i can't manage to ping from a pc in one site to get to another site, i was wondering if it was issue with the vlans but im not to suremany tha...
hello,I have to upgrade my 9300 switches to some new IOS (with Vulnerability/Security Support)Currently I have:3xC9300-24Y (3x in stack) - IOS 17.06.032xC9300-48T (standalone) - IOS 17.03.043x9300-24T (standalone) - IOS 17.06.04Question, is it good ...
I have an issue where by the mac address table is not refreshing on cisco 9300 switches. Cisco IOS XE Software, Version 17.03.05Regards,Salom
i have cat9000 doing upgrade but i'm also testing downgrade procedure. lets say upgrade from 16.6.6 to 17.6.4. so without "install remove inactive" so i have both old and new versions of pkg files in bootflash. i noticed there are conf files in the f...
HiWe have two Cisco WS-C4510R+E acting as a VSS pair running Version 03.04.00.SG software, both Core switches have been up for over well over 7 years without issues previously. Attached to these cores switches we have multiple WS-C2960L-24TS switches...
