Hello Community, I am wondering if there is a document that contains a fact about how long it takes Cisco switches and routers to boot up and/or restart. Particularly, I am interested in the Cisco 3750, 3850, 2900, 3900, 4400 and 6500 series. T...
Forum Posts
Hello, my first online discussion hope you guys will help me. Thank you so much.I am doing a project that requires the IoT application and I want to do the automatic smoke detector. I already set up anything but at last, I can not access the IoT Moni...
Hi Experts, I have a challenge where i would like some suggestions and inputs to help me design this right with security in mind. I have two microwave connections landing on switchs with two separate cables (Gi 0/0 and Gi0/1) configured as Trunk...
Hi ....I have a Cisco switch 2960 24-port with 20 camera connected itSometimes camera images are displayed in black. (in NVR)While the Ping connection is in placeWhat causes this problem?There is a way to see the drop packets? (without using monitori...
Cisco docs a bit confusing and just looking for some clarification. If I want to create a vlan Access-map to only allow subnet hosts 10.10.10.0 /24 and drop everything else on vlan 10, would I do the following configs (see 2nd sequence) or is the bes...
In SW3560, after the command "auto qos voip cisco-phone" is typed under the interface, the expected service-policy is not generated in interface level and global level. Please see the below.i reviewed document, which suggests remove the command and r...
For security reasons I would like to upgrading my Cisco 3825 router from 12.4(13r)T to 15.1.4M12a. Does 15.1.4M12a have any dependencies going from 12.4 to 15.1? Or can I upgrade directly? Thank you,Dan
Hi,I have a LAG with port 8 (copper) and port 16 (fiber) between two SG550XG-8F8TOne leg of the LAG sometimes change from active to standby and I couldn't find a way to go back to Active.Latest firmware 2.4.5.71 on both switches. No issue on port 16....
Hi all,I've got a problem with some sfps which status are "GigabitEthernet is down, line protocol is down (notconnect)"I've got the impression that this is a problem with the hardware (either the sfps or the fibers between them) since configuration w...
Hi All, I have a quick question regarding switch stack uplinks. A customer has a stack of 8 x Cisco Catalyst 9300 switches but only two of the switches have 10GbE uplink modules installed which are currently n switches 1 and 2 (which are also config...
I have come across a cat45x device that I at first thought just had a bad rommon installed. The hardware looks almost identical to a C4540-X, with the air intake slot along the top of the front, but some of the details such as air vent patterns look ...
Resolved! GLBP AVF Priority
Hello In the below debug output what is priority 135 & 167, why and How they used in GLBP AVF election. What I know is weighting used in the election of GLBP AVF. ( in my case all devices having default weight) But I couldn't understand clearly...
Hi, As i know we can do port mirroring in Cisco switches by following monitor session 1 destination int g1/0/1 monitor session 1 source port g1/0/2 or source vlan 350 Can anyone tell me how i can use Vlan ACL in this scenario??
Kindly i face a porblem that all switch's ports are down dwon (status and protocol) .. triing to write shutdown then no shutdown but this is what i have got, so there is any solution for this problem..? Thanks,
Resolved! Switch default ACL
Dear All, I would like to ask about ACL for switch in default configuration. When i see "sh ip access-list" in cisco switch,it show below output. Extended IP access list CISCO-CWA-URL-REDIRECT-ACL 100 deny udp any any eq domain 101 deny tcp any any...
