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Forum Posts
I have no idea why I cannot get DHCP to work?? can I get some help? would be greatly appreciated. heres the link: ENABLE PASS IS CIASS https://drive.google.com/file/d/1EdBuLulDbR57cOYlvIcmM2qZfKZUFDJh/view?usp=sharing
I am troubleshooting an issue on a pair of Nexus and having hard time finding good doc on the meaning of asterisks , + symbol, etc. mean in show mac address-table. See below. VLAN MAC Address Type age Secure NTFY Ports/SWID.SSI...
Hi i am using C3850-12s- switch . My question is if i am using a converter in between a Two Cisco switches Switch A and Switch B . i am Securing the Specific port of two switches using MAC id of that two Specific Ports on either side. Will it stil...
Resolved! 3750 Switch Stack
Hello, here is my scenario....I have 5 3750 switches stacked (1-5) and i want to remove switch 2 (slave). What would be the best way doing this WITHOUT any reboots? Can I just remove switch 2 and then switch 3 will becomes slave? Is there any electi...
Hi all, We are trying to put an 1841 in the middle of a /30 subnet for the sole purpose of terminating the T1 from the ISP, with the LAN router being Viptela vEdge 100b. [vEdge >> 1841 >> ISP] Is there a way to get the /30 IP to live on the vEdge a...
I have a couple Cisco 3650's in a stack that act as my core switching in datacenter. They do both L2/L3 for remote locations connected by a muni ring fiber deployment. We also have several IDF is the same building but due to all the SFP slots in th...
Hi, I'm looking for some advice relating to a firmware update I just attempted. Switch: WS-C2960-48TC-S Existing Firmware:15.2(2)E6 New Firmware:15.2(2)E7 Downloaded file:c2960-lanlitek9-tar.152-2.E7.tar I'm not a Cisco expert and I've always use...
Hi everyone, I´m having a weird issue trying to block admin ports of the core switch (in this case a Cisco Catalyst 4506E) in some SVIs. By admin ports I mean ssh, http, https in the ip address of some SVI in my L3 core switch. Maybe you think abou...
cisco catalyst 9407 switch modules booting problem Dears,i have cisco catalyst 9407 switch with 2 SUP and 4 line cards. when the switch power on, only one SUP become active (with green led status) , the other SUP gives an alarm (locate led i...
Resolved! BGP Flapping
I changed the ip for security reasons. I logged onto a 1941 (222.222.222.223 we will call it) and ran show log - found this. Not sure what to do to fix it though. Any help would be appreciated. Thanks, Me Dec 1 20:15:35.668: %BGP-3-NOTIFICATION: sen...
Hi We have a Cisco 2821 and looking at the logs 043669: Jun 19 12:14:23.795 CEST: %ENVMON-4-FAN_LOW_RPM: Fan 2 service recommended043673: Jun 19 12:14:53.795 CEST: %ENVMON-4-FAN_LOW_RPM: Fan 2 service recommended043678: Jun 19 12:15:23.795 CEST...
Hello allwe have a problem when we want to used VLAN between a Switch HP and a Switch CISCO. The CISCO Switch cannot see the VLAN configuring on the HP Switch. It's problably an 8021Q incompatibility ?Have you an idea about the subject ?Thanks for yo...
I have created an Employee portal for the employees to register their personal devices. My authorization condition depends on devices being in the EmployeeDevices endpoint group. For the most part this works fine, but some of them end up in the Profi...
Hi All, Looking for a comparison between these two models of switches, in particular the SG550XG-24T vs SG350XG-24T. I would be planning on using these in a collapsed core design, running MSTP, and would like some form of first-hop redundancy. I can ...
Which Layer 3 switch supports RFC 3954 NetFlow v9 and RFC 5101 IPFIX? I wonder if these protocols support the Cisco Catalyst 2960-X/XR, Cisco Catalyst 3850/3650 switches?
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