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Forum Posts
Resolved! 4500 switch question
Good MorningWe have a couple of 4500 switches that are being removed. Thery are no longer connected to the network and I am trying to get into them. Just get the user mode prompt and when I try to log in with password I set it doesnt work. Do I need ...
Hello, Could someone assure me that I can use this type of DAC cable: QSFP-100G-CU1M for establishing a 40G connection ? Thanks
I have seen announcements for support of the Switch Abstraction Interface (SAI) for use with the SONiC network operating system on some models of the Nexus switches: Last year, we announced new portability options for data center networking software ...
Will Cisco SFP-10/25G-SR-S or CSR transceiver work with Catalyst 6807 and Catalyst 4510s operating at 10Gb?
Hey.I have some pnp problems booting up a ie3300 switch. For some reason it gets the ip-address but not the tftp bootstrap file - using option 150 (it works on vlan 1) I have change the pnp to startup i vlan 5. 1: After the DTP (trunk negotiation is ...
Hi, hopefully this is the right place for this question We have been having issue with DHCP Ip address assignment for the past 3-4 weeks now where by some users pc/laptop (both LAN and Wireless) are not getting IP address. Its getting an APIPA. We ha...
Resolved! 2960X Intermittent Connectivity Issues
This is a strange problem, posting here because we haven't been able to isolate the source of the issue. We recently migrated few switch stacks from 3750X/V2 to 2960X in different sites. After the migration, we are observing intermittent connectivity...
Hi,I would like to upgrade my current C3650 Switch Stack from 3.06.06E to 16.09.05 version. Since this is the first time I upgrade it in the last few years, should I experience any difficulties due to the fact that at the moment it supports the old v...
Resolved! Confirmation on "deny any any log"
Folks, just wanted to confirm this is right:Imagine people is not sure which IP's should be allowed on a certain ACL. Then I need to find it. I thought about adding a "deny any any log" to the end of the ACl. The way I understand is that the "deny an...
Hi! I have a network consisting of 1 router as a dhcp server which is connected to the main switch (SW-MAIN) , this switch has 1 controller connected and is also connected with multiple PoE switches with APs on them. The router has an ip of 10.10.10....
Resolved! LACP - Suspened Ports
Hello Everyone... I am trying to build out a LACP Etherchannel between a Dell R540 and a Cisco 2960XR. Everytime I build out a Port Channel interface, the ports stay in a suspended state. I cannot get them out of it. I have tried setting the switch a...
Resolved! show port channel on cat 95k
hi there i have configured a port channel with 4 total ports. is there a command i can run that will show the aggregate bandwidth? ie. 4 x 10 GB ports - 40 GB total throughput ? how can i see this ? thanks,
Hi,interface GigabitEthernet3/31switchport mode accessswitchport nonegotiateswitchport voice vlan 30 Why is it possible to hv 2 VLAN (data and voice) in the same port considering it is ACCESS and NOT TRUNK port?Bcoz of Cisco technology OR this is qui...
Resolved! Reboot 3650 stack memeber
Hi All its been a while since i worked with switches in a stack. I have 5 and the have massive cpu for last 5 days down to fed processes. I see there is a bug advertised by cisco. But in the short term I want to reboot. I have no support hardware or ...
Hello everyone, I'm planning a ring profinet network as attachment. I would have doubts regarding the uplinks to the distributions switch where STP is implemented.I'would to have a redundancy links betweens the ring and distribution switch but if i i...
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