I am about to establish a new critical link from our top of rack Mellanox switches to the rest of our network via a Cisco 9300 stack. It will replace the older slower critical link. spanning tree is not enabled with the Mellanox switches and i will n...
Forum Posts
HelloI want to enable communication between loopback 1.1.1.1 of R1 and loopback 3.3.3.3 of R3.R1 route 3.3.3.3 255.255.255.255 192.168.1.2R3 route 1.1.1.1 255.255.255.255 192.168.2.1It seems to fail because the outgoing interface source is 192.168.1....
#show ip device tracking allIP Device Tracking = EnabledIP Device Tracking Probe Count = 3IP Device Tracking Probe Interval = 30-----------------------------------------------------------------IP Address MAC Address Interface STATE-------------------...
A single Ethernet cat5e connects two Cisco CBS 350 8-port switches, which recently replaced two SG-350 10-port switches.It's very tough to pull cable there and the Ethernet line has no continuity on wires 4 & 5 (used a cable tester, not Cisco's coppe...
Resolved! Tftpdnld Command Issue
I have a 2620XM and the IOS got corrupted so I'm trying to install an image using the tftpdnld command, but I'm only getting an error that the file couldn't be found. I'm not able to ping the router from my laptop so I'm wondering to what interface t...
Hi all,am looking to buy the following pair of switches as a core C9300X-24Y-A does anybody knows if the stacking cables comes with it if not does anybody knows SKU for it?I am also looking to buy the following as 6 stackable access switches C9200L-4...
Hello, In short, I'm working with a closed enclave and have two Linux machines that are connected to a data diode, then to the C1000 switch, which is the NTP master. The NTP works on the other machines that are not attached to the data diode, but are...
Hi We have switch CISCO2921/K9. I am going to add commands as below. but do not know why it cannot be added into. Is this switch version issue or something else? There is " ^ " error under client and server when adding the command Thank youip ssh cli...
Hi There is an issue when taking of snmp. Due to security vulnerability issue, we need to disable snmp temporarily or set snmp v3. but its a very strange when we do it. We can add the command and modify snmp, but cannot delete it. Anyone can share so...
My code is about creating a VLAN and if the VLAN is already in the switch i want to stop (quit)The problem is that the code gets implemented only on one switch not all My switch list looks like this:{ "store1": "172.22.1.97", "store2": "172.22.1.80",...
Hi, when a stack of C3650 reloads due to a power issues few times, all access ports change to disabled and parts of port configuration are missing. 4 x stacks, all configured globally the same, only 1 of 4 switch gets this issue, all other 3 are OK. ...
In one of the aggregation switch in France (Marcy) location, we could see VPC 20 status is down Below are the actions taken from Network end :Interface Ethernet3/15 has been removed from Port channel 20 and added back again.Port channel 20 was broug...
Hello,I would like to convert the QoS configuration from a 3750 to a 4900M.mls qos map cos-dscp 0 8 16 24 32 46 48 56I can't find how to do with MQC for cos-dscp mapping...Thanks !
We have stack of 4 switches WS-C3750V2-48PS-S and some ports in 1 switch misbehaving . User is connecting laptop on port and in arp table it is showing IP assigned under the assign vlan for port but that IP is not reachable . and when I am checking ...
We have about 120 cables connected at the end with fast-ethernet PoE devices. Since we have PoE troubles, many devices are not online / getting power. However, we want to check if there is any cable issue.Does "test cable-diagnostic tdr" has a useful...
