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Floating L3Out port selection

Hello, While configuring Floating L3Out, there is no option to select the switch ports where the SVI will be reachable (configuring a regular SVI gives you that option). Is there any way to limit the ports where the Floating SVI will be reachable, ra...

Can Spanning Tree sometimes fail?

Hallo,My colleagues were changing some cables in a customer's building and accidentally someone connected 2 access switches. Of course this created a loop and the whole network in this building went down. After a while, the network came back on and s...

JoyWN by • Beginner
  • 77 Views
  • 5 replies
  • 0 Helpful votes

ACI secondary DC frabric to shutdown

Hi floks. In some advice please. we running ACI multipod between to Data Centers. we classified these DCs as Primary and Secondary due to legacy setup prior to going into ACI deployment. The ACI deployment is in Network Centric. we have APIC 2xAPIC i...

WLC 2504 7.0升到7.6所遇到的问题

IOS 7.0.120.0升7.6.120.0,按正常的流程是可以直接升级的，但此次升级碰到了问题。7.6的IOS刷进FLASH之后，系统提示 Reboot。重启后选择7.6.120.0进入系统，但系统一直停留在（启动镜像）这个阶段，无法启动，如下所示。WLCNG Boot Loader Version 1.0.16 (Built on Feb 28 2011 at 13:14:54 by cisco)Board Revision 0.0 (SN: PSZ16440A3A, Type: AIR-...

5520 WLC in HA Pair (SSO) - How to break the SSO

Hi All,I'm hoping you can advise here. We have 2x 5520 wlc's in an SSO pair. I've tried to replicate breaking the SSO pair and what would happen in GNS3 however, gns3 doesn't seem to support redundancy in the wlc. So am looking for advice form someon...

CISCO IOS issue

While i upload the boot system for firewall ASA 5506-x with image cisco-asa-fp1k.9.16.2.SPA and after reloading getting below error and I couldn't able to login to firewall.   ##########################################################################...

Resolved! software for ASR C1101-4P

Does anyone know the correct software location to download IOS XE software for an ASR C1101-4P router?  The router currently has the following image loaded - c1100-universalk9.17.03.03.SPA.binHaving difficulty locating the location in software downlo...

WLC 9800 CL Client Exclusion Issue

We have spoke sites on Flex mode, each site are all treated separately, has its own DHCP server to serve wireless clients. The DHCP scope is the same for all sites. Now with WPS IP Theft or IP Reuse enabled it seems that when Site A client is served ...

buhawi by • Beginner
  • 10 Views
  • 0 replies
  • 0 Helpful votes

Loss of Root Bridge and Reconvergence

I am trying to understand the mechanics and timing for the recovery from the loss of the root bridge.  From my limited knowledge of STP and RSTP, I suspect all ports would enter Blocking/Discarding while the new Root Bridge is elected, followed by th...

Mike Soha by • Beginner
  • 179 Views
  • 10 replies
  • 0 Helpful votes

Cisco Nexus N9K Loopback Testing

I've been trying to establish a configuration for performing loopback testing and this is the closest I have gotten.  Previously I was getting the message "Destination Host Unreachable" so I've made progress, but it's still not quite right.  Can anyo...

vondoom2 by • Beginner
  • 79 Views
  • 3 replies
  • 0 Helpful votes
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