Switching

Resolved! Behaviour of "stand-alone" port member on etherchannel

Hi All, I want to ask regarding behaviour of "stand-alone" port member on etherchannel.If we have following etherchannel issue which are the etherchannels down but each port operate individually. blah_switch#show etherchannel summaryFlags: D - down P...

Resolved! switch port blinking green and amber then returns to blink green

Hi ...I have 3750G 12S and one of its ports is a trunk port connected to another cisco switch, this port works properly with no issues.But every few minutes it starts to blink green and amber (slowly) for 3-7 seconds and returns to blink green as nor...

Upgrading 6807 VSS single SUP

Hello! I have 3 pairs of 6807 VSS switches. Each stack is single supervisor VS-SUP2T-10G. Current version is (s2t54-ADVIPSERVICESK9-M), Version 15.1(2)SY6ROM: System Bootstrap, Version 12.2(50r)SYS2 Recommended version iss2t54-advipservicesk9-mz.SPA....

3850 priority queue drops

I have a 3850 that I’m trying to figure out what is going on with queue drops on threshold 1 on the priority queue. I'm using 1P7Q3T with auto QOS on a ten gig interface with a CIR of 2 Gig setup using the bandwidth command. Below is how the queue b...

Resolved! ISR 9141 - Add Routed Interfaces

According to this table the ISR 1900 series supports EHWIC, HWIC, WIC, or VWIC cards. As far as I have found none of these are routed interfaces, but layer 3 switch interfaces. Does the ISR 1941 support cards with routed interfaces?

Witch DAC cables to stack C1000-24P-4X-L ?

Witch DAC cables to stack C1000-24P-4X-L on SFP+ ports ?SFP-H10GB-CU1M= or SFP-10G-AOC1M ?

Websense Multicast Two Nexus 9Ks - will not cluster unless on same switch

Websense Multicast Nexus 9K I have Websense Security Gateways that are connected to 2 9K running NX-OS. When I turn on cluster management function between Websense appliance, they speak to each other only if they are connected in...

Connection issues to devices on stacked Catalyst 9200L switches

Hi everyone,A few days ago, i changed two WS-C2960-24TT-L switches with two stacked Catalyst 9200L switches.Ever since i made this change, i noticed that every single device has a really slow connection, i'm losing ping to the devices, SSH is really ...

Link Yoyoing

Hi All,I'm investigating a bit of an outage we had on our Netgate based Ipsec VPN which I think is almost certainly related to the netgate. But looking on our core switch stack which is a pair of SG350XG's, I note in the system log a lot of entries ...

How to connect Catalyst 2960-S F/O Port (using glc-lh-sm 30-1299-03 SFP) with Raisecom RC001 Media Converter or with any Third Party switch ?

Hi All,<<2960-S- F/O Gi 1/0/25 SFP>> --- F/O----<< Raisecom RC001 Media Converter>> --Copper- << Third Party Switch>> On one end I've Raisecom RC001 1slot media convert (connected with the Copper Switch) and on other end I want to connect Catalyst 2...

DHCP failed. APIPA is being used.

Hello, I click PC1 and go to Dekstop and then i click DHCP. and i got message : DHCP failed. PIPA is being used.can someone help me pls??

Resolved! Problem at the Project

Packet tracer project.Hey guys im new here so go ez with me lol, Im about to do my Project but i got stuck on ssh (ez right? well i guess i did something wrong).im able to ssh my routers (with no password some how, and i configured one, not sure why)...

Resolved! Command Pompt crypto key generate modulus 1024

Hi! I'm working in the Packet tracer and it told me to create a rsa key for SSH and I'm trying to do that and it keeps telling me the Modulus part is invalid. I'm using the 1941 switch as the project told me. I'm in global config mode. Any idea why ...

Resolved! %TRANSCEIVER-3-NOT_COMPATIBLE: R0/0: iomd: Detected for transceiver module in HundredGigabitEthernet

Hi Guysi've met unpleasant stuff with below inventory:Switch#sho inve | i 9500|QSFPNAME: "Chassis", DESCR: "Cisco Catalyst 9500 Series Chassis"PID: C9500-48Y4C , VID: V02 , SN: XXXXXXXPID: QSFP-40/100-SRBD , VID: V02 , SN: FTF2428N64CPID: QSFP-40/100...

Resolved! Downgrading Cisco 3850 from 16.6.2 to 16.3.6

Hello Everyone, I have a question. We have 3 pieces Cisco 3850 Switchies. Working on sotfware 16.6.2 but this version contain some big bugs. I checked on cisco 16.3.6 ios is suggested by cisco. So, i need to downgrade my switchies and i searched...

Switching

Forum Posts

Resolved! Behaviour of "stand-alone" port member on etherchannel

Resolved! switch port blinking green and amber then returns to blink green

Upgrading 6807 VSS single SUP

3850 priority queue drops

Resolved! ISR 9141 - Add Routed Interfaces

Witch DAC cables to stack C1000-24P-4X-L ?

Websense Multicast Two Nexus 9Ks - will not cluster unless on same switch

Connection issues to devices on stacked Catalyst 9200L switches

Link Yoyoing

How to connect Catalyst 2960-S F/O Port (using glc-lh-sm 30-1299-03 SFP) with Raisecom RC001 Media Converter or with any Third Party switch ?

DHCP failed. APIPA is being used.

Resolved! Problem at the Project

Resolved! Command Pompt crypto key generate modulus 1024

Resolved! %TRANSCEIVER-3-NOT_COMPATIBLE: R0/0: iomd: Detected for transceiver module in HundredGigabitEthernet

Resolved! Downgrading Cisco 3850 from 16.6.2 to 16.3.6

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Stack switch replacement with different model switch.

IE-3400 switch l2nat causing connectivity issues

aaa authentication login default local on NEXUS 9000

Cisco SG350-28 LAG

Configuring NAT overload with vrf lite on a CAT9K

Trunk commands for ISR ESM?

Trying to drop certain logging messages with discriminator

High Memory Utilisation 9200L