Hello. I am a newbie network engineer that has been asked to set up a VSS (one logical switch) from two C9500-16X-A switches. They will connect back to two different back bone connections and have 5 downstream access switches. I am dealing with 10...
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Forum Posts
This is a unique issue as TAC has been having a hard time figuring it out. One minute it starts working, another it doesnt. So to break it down, we are using: Not WorkingCatalyst 9410 -- Latest version 16.9.4 with two patches. WorkingCatalyst 4506 ...
is there any different btw these 2 commands?i did show the 2 commands, both show sort of same output.....
I am booting a 6509-E with the following boot statements in my config:boot system flash sup-bootdisk:s72033-adventerprisek9_wan-mz.122-33.SXH4.binboot system flash sup-bootdisk:s72033-adventerprisek9_wan-mz.122-33.SXH3a.binConfiguration register is s...
When does the sequence number of LSA change? How does the router first make sequence number for the advertising LSA? P.S. LSA sequence number has nothing to do with the sequence number during the LSDB Synchronization. Right?
Hello, I have Cisco switches and on some of my switches I want to use port-mirroring to capture traffic from certain VLANs. But the problem is that I have the port-security feature that is enabled on all ports, while destination ports cannot port-mir...
Hi Guys,I am trying to configure Application Visibility for a Vlan interface on my C9200L. As soon as the desired VLAN is added in the CLI / Webui, the error message "NBAR Error: Can not enable Protocol-discovery general error" appears. Any ideas? (T...
Hi Guys We need to change the MTU to 9192 on just one port on the 3850 Switch. The rest of the 11 ports will still be at 1500. Did some research and it's just stating System MTU which will change the MTU on all the ports. We cant change the System M...
I saw that the MTU is 1440 in the GCP recommendation.But isn't 1500 the minimum for Cisco switches?Then, will there be a problem?
Hello,I have a strange behavior on a Nexus 3k (3064) running "NXOS: version 7.0(3)I7(6)".I have 2960-X(for the clients) connected via port-channel (and trunk) to two N3K (vpc on the Nexus side) - just L2.The svi of the "access-vlan 3080" is configure...
Hi AllI am keen to learn about DC connectivity these days, I see now its all about leaf and spine topology.I see people use the pod design, how big are these pods? would you have multiple pods per dc? or 1 per dc?how would you connect the pods togeth...
Hi May i know which is better? One is using vlan, the other is interface.Personally i think interface is better because once gi0/0/1 is up, the static route will be activated. The route shld not active unless the interface is UP. This is the objectiv...
I am trying to configure 802.1x wired on a 3560 switch and don't see the required commands under the interface. Does anyone no why this would be? I am running c3560-ipbasek9-mz.122-55.SE6.bin. I was thinking it might not be available on the ipbase im...
Dear Experts, Please tell if cisco switches support 10G copper transceivers? i dont see any transceiver mentioned in interactive tool
Resolved! LEDs are blinking abnormally
Hello,I have just bought a new Cisco WS-C2960L-16PS-LL switch, but this one encounters an error that I cannot resolve.I have cameras, AP and computer connected to it, the traffic is therefore heavy and the LEDs are supposed to flash very quickly.This...
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