Switching

Stack Switch

we have same 6 WS-C2960X-24TD-L switch which is in stack. in these 6 switch one of the switch is master with high priority configured 15. other 5 switch is member. if the master switch got faulty we know that another switch will take care the master ...

Resolved! Understanding a simple ACL question

Hello guys,I have a (most likely) very simple question about ACL's but I still manage to not figure out how stuff works.My setup looks the following:Cisco 3850, ip routing enabled-Vlan 2 (Network 192.168.2.0/24, IP of the Router is 192.168.2.1)-a PC ...

SVI goes down on 3850s for 5 to 10 minutes at a time

I have a 3850 that has a 2 x 10G fiber port channel going directly to our 6880x core switch that's a few feet away.Randomly for 5 or 10 minutes at a time, the management SVI on that 3850 switch stops pinging, but the switch otherwise remains fully fu...

Questions about ACL in out on VLANs

Hi everyone,I have the configurations in the Nexus core switches from the previous engineer setup. I would like to ask something about the flow of the traffic. So it can allow me to do some access control between VLANs. Below attached are part of the...

How to capture packet from One EPG to other EPG Server in Cisco ACI?

Hi Team, I have a query, a user's Server EPG want to communicate with different EPG, we have created Contract but still Server not able to do telnet on specific port like 443.Can we analyse in simple way of server to server EPG communication? Thanks ...

C3560-C2960x - PoE / ILPOWER-5-IEEE_DISCONNECT

Hi everyone,I'll make a small introduction, I work for a GDO retail trade in Italy and in recent months we have been implementing the AP of a multinational company for management of electronic labels in our stores.Their access points have strange beh...

3850 Console access to all stack members

Hi all, We have a stack of 3 switches. console access to the master switch works fine using Local authentication, however when I try to console into the standby switch (2) or the other member switches (3) I am met with the prompt but when trying to...

An IE2000 Dual Power Supply

Hi there,Do the two DC inputs of a Cisco IE2000 have to be connected to the same power supply? While DC-A and DC-B are not fully redundant, a previous employee's response (copied below) suggests that they are inputs to separate internal power supplie...

Switch replacement

Hi,Can someone please let know how can I replace my non-meraki switches with Meraki switches with same configuration ?

cisco 2960-xr POE not providing power for my non-cisco IP Phone

Hello all,Recently there is a problem on one of the ports on my c2960XR switch. The port was plugged with an IP Phone. Suddenly from last week, it stopped working. I found out that the cable is fine. Tried to plug in the external power supply then it...

how to isolate vlan access control

e.g. in my network have many vlans, i want vlan 8 can not access other vlans, opposite other vlans can not access vlan8 neither.how to do it?

what is meaning of DF-BIT in ping or DO-not-fragment

When we send ping to destination with packet size like 1500 with df-bit /Do not fragment then whole 1500 packet goes to destination without fragment right?what is use of DF-BIT or do not fragment?is it used to put packet load of 1500 on linkplease ex...

Resolved! 2960. What is the cause of this latency? (pcap + CLI pict attached)

Hello.Please see attached picture.What is the most likely cause of this tftp download symptom?Thank you.

Interface template to remove config lines

Hi All ! It is very easy to use interface templates to add configurations to interfaces but how to configure template to remove configurations from an interface. For example, consider an interface that has been configured by default with a servic...

Resolved! 9300: ping works, tftp does not, no ACLs blocking...

Hello.GIVEN: (obfuscated)Most other devices can successfully tftp to the tftp server.ISR4321-K9, 172.16.8.9/24 <==nexus9300==> tftp server 172.16.8.6/24--ISR4321-K9#copy run tftpAddress or name of remote host []? 172.16.8.6Destination filename [ISR43...

Switching

Forum Posts

Stack Switch

Resolved! Understanding a simple ACL question

SVI goes down on 3850s for 5 to 10 minutes at a time

Questions about ACL in out on VLANs

How to capture packet from One EPG to other EPG Server in Cisco ACI?

C3560-C2960x - PoE / ILPOWER-5-IEEE_DISCONNECT

3850 Console access to all stack members

An IE2000 Dual Power Supply

Switch replacement

cisco 2960-xr POE not providing power for my non-cisco IP Phone

how to isolate vlan access control

what is meaning of DF-BIT in ping or DO-not-fragment

Resolved! 2960. What is the cause of this latency? (pcap + CLI pict attached)

Interface template to remove config lines

Resolved! 9300: ping works, tftp does not, no ACLs blocking...

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