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
I have cisco Nexus 3172T Chassis Im having problem with the traffic going in and out the interface, please let me know what I missed. Thank you in advance. From the logging: %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet1/43 is down (Link fail...
Hello,I work for a company where there is 6 stack-SX550-24FT cisco switches as core switches. The stack play the role of the LAYER 3 router as the company do not have any firewall (currently setting up new firewall to replace the LAYER 3 role)For sec...
Resolved! C9500-32QC port assignments
I am really confused on the C9500-32QC. Can I covert any pair of 40Gb ports to a single 100Gb or are there restrictions? Example ...document says 32 of 40G ports or 16 or 100Gb ports....then it also says you can have 24 40Gb ports and ...
difference between two commandsswitchport mode accesssw access Vlan 10 and switch port access Vlan 10. what will happen if switchport mode access command missing on the switch
Switch# show versionCisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-LANBASE-M),Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyright (c) 1986-2011 by Cisco Systems, Inc.Compiled Thu 27-...
Resolved! mac flapping
Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1/1/2Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1...
Hi,Not sure if this is the correct location to post this, but we are experiencing some problems within our network.The problem relates to Mitel IP Phones and MAC address pass through from a laptop at the other end of said phone back to the switch.Its...
Hello everyone, I have these topologiesI've tried to ping from Laptop to PC0 it worked succesfully but when I ping from PC0, it doesn't work. Any solutions and the topologies should be like that where wireless router should connected on switch? I sen...
Hey all I tried looking for one but I didn't have much luck. We are currently running Meraki switches and are looking to switch over to the Catalyst series. Is there a chart that shows the rough hardware equivalents between Catalyst switches and Mera...
Dear All,Please tell me which image i need to have for the support of BGP and OSPF. I have now c3560-ipbase-mz.122-25.SEE2.bin. Even i tried c3560-advipservicesk9-mz.122-35.SE1.bin.But this image also not supported the bgp and ospf.switch(config)#rou...
Hello Community,I need your input on this topic: In this switch, we can't login using SSH (only Telnet) with the current version:"Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASE-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)Tec...
I'm going to plan to extend L2 using LISP in the on-premises version of Cisco's C8300 series and Azure cloud. The target segment for the L2 extension between these locations will be defined by an Endpoint Identifier (EID). I am considering the introd...
Hi,is there any scenario where IP SLA would show zero number of failures, but track for that IP SLA would go down and up several times?
Hi Dear in Switch 3064 And 9396px i donnot have system dot1q transit but dont allow dot1q tunnel establish on vlanattach visio diagramPlease help Me ?
i HAVE A STRANGE PROBLEM. I AM UNABLE TO ACCESS INTERENT FROM MY COMPUTER . MY CONFIGURATION IS BELOW no ip domain lookupip domain name dt.localip name-server 9.9.9.9ip cefno ipv6 cef!track 1 ip sla 1 reachability!zone security insidezone security ou...
