Hello,   your async port is probably configured like this:   interface Async0 ip address 10.128.7.33 255.0.0.0 encapsulation scada   At the bottom of the configuration you see lines like:   line 1/5 transport preferred none transport output all transport input all   I am not sure which line corresponds to your async port, check for one that says 'transport input ssh', since ssh is the only protocol working now. Change that line to 'transport input all'... ... View more

Hello,   have you tried to reseat the card and check the LEDs ? Usually there should be something indicating the broken console...   That said, the  SUP720-3B is EoL and I think quite old. Short of trying to replace the console port yourself, I don't see any other way to fix this than replacing the card... ... View more

Hello,   if you talk about zero touch installation, you need to manually issue a 'wr erase' and 'reload', it won't work with an existing startup config:   --> "The zero-touch installation occurs automatically with little or no intervention. A switch with no configuration can be a new, out-of-box switch or one on which you have entered the write erase and reload privileged EXEC commands." ... View more

Hello,   you cannot selectively run traffic through an HSRP standby router. What are you trying to accomplish ? ... View more

Hello,   I am not sure I understand what you are asking. The async port by itself does not block anything. What do you want to connect with on the IR809 using port 5001 ? ... View more

Hello,   I don't think any if the higher ISR routers ( > 1800) support UPnP. The smaller RV routers do... ... View more

Hello,   I am not clear on what you are asking. Do you want to change the port used for SSH ?   IR809#conf t IR809(config)#ip ssh port XXX rotary 1   where 'XXX is the new port'... ... View more

Hello,   are you looking for the requirements for the 2950 ?   https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2950/software/release/12-1_11_yj4/configuration/guide/lrescg/swethchl.html#wp1021856 ... View more

Hello,   as far as I recall, the compatibility requirements for NX-OS are different than for IOS. To find out what you need use the command 'show port-channel compatibility-parameters'... ... View more

Hello,   have you tried a factory defaults reset ? ... View more

Hello,   --> 56toB35Tower_SW01 uptime is 1 week, 5 hours, 49 minutes   Check the same for the other (and any intermediate switches). Long uptimes would be > 1 year...   Also, check if the CPU utilization is high when the ping doesn't work. In general, ICMP traffic is handled as low priority, so when the CPU load is very high, packets can get dropped... ... View more

Hello,   that is not the full output of 'show ver'. Issue the command again and check what the uptime of the switch is. If it has been up for a long time, sometimes a simple reload of the device helps... ... View more

Hello,   what is the uptime of the switch ? Post the output of 'show ver'... ... View more

Hello,   what do you mean with the below:   --> and the switch is VLAN 1 also configured different VLAN in port there is no problem for a client, only the issue some time switch ip not ping could not get online <--   What is the problem ? You cannot ping the IP address of VLAN 1 ? From where ? What do you mean by 'could not get online' ?   Also, what is the uptime of the switch ? ... View more