Hello Cisco community,we have a strange problem with our new Catalyst C1000 infrastructure. We implemented 4 x Nexus 3524X for core, 9800CL and 9115 APs for WLAN, ISE for security and C1000 for wired client access. So far so good. The infrastructure ...
Forum Posts
I have a 3560G switch and I have a lot of runts on the interface that connects to my home router. I also have a desktop connected to it and there are no runts on that interface. Is this a problem with my isp or a poorly configured interface? I’ve rep...
I have been running a Cisco 6500 for many years and I have just recently "upgraded" to fiber, but the new ISP requires obtaining the IP address (even static IPs) via DHCP. Although I see there is "ip dhcp client client-id ..." "ip dhcp client class-...
Hi guysvery basic question, how does the switch check the layer 1 status of the switch is up? I.e line protocoldoes it listen for data or sense a voltage of some sort?xheers
Is there a way I can find out the amount of bandwidth i'm using on a particular interface on a 4507 cisco multi-layer switch? It is a gig port and I have it setup for monitoring (spanning) and I see packets being dropped in the "Total Output Drops" a...
Resolved! no lacp suspend-individual effect
Hi all, i have a situation where one port-channel member is on status suspended on Nexus 5K. port settings on both VPC pair are correct and also the peer side of the port-channel (all on auto)now my question: what will be the effect if i add the "no ...
PC1 (10.1.1.1 255.255.255.2) --------(Vlan 10 ) SW1 (Vlan 10) ----------------(Vlan 20) SW2 (Vlan 20) ------ PC2 (10.1.1.2 255.255.255.0) How ping is working ?
Resolved! 9200L Stack Crash with no recovery
I have a few 9200L stacks that will crash every so (usually about a week, upwards of 3). The stack will go down and not recover, and I am unable to console into 3 of the 4 switches in the stack until I power cycle the whole stack. The switch that sta...
Hi guysI was having one issue in core 6506 model. I removed the cf card and I format it then i upload a new fw after that i inset it but the rommon mode could not read bootdisk and bootflash as well...How can I solve it?Thanks
Hi AllPlease help me, guys.I have configured the cisco business 350 series switch as below.My requirementVoice VLAN 10 and Data VLAN 20I need to carry both VLANs since I'm using a Laptop over an IP phoneSo used the CMD in all switch ports "switchport...
Resolved! Router DHCP with L3 routed link
Hi guys, I have a router connected with layer 3 switch both of them are L3 link with 50.0.0.0 /8 i have two vlan on L3 switch vlan10(10.0.0.0 /8) and vlan 20(20.0.0.0 /8) i want to make router as my dhcp server so that it can give ip address to both ...
Resolved! TCP MSS and its windows size
hi guys: I am trying to clarify my understanding about TCP MSS and sliding window. let's put it simple As far as i know ,MSS means the maximum payload for the frame. The "sliding window " enables TCP to send consecutive segments before it gets an AC...
May I know the purpose of Defining "address-family " within VRF? Is it required on a Nexus platform? I'm trying to understand the real life scenarios? In my case, I'm going to create a VRF for a VPC keepalive. Thanks in advance
I have a POE AP connected to a 2960x switch, which keeps triggering SNMP alarms that 'interface is down'. When I look through the logs I see the interface 'flapping' however, I get no log entries for power granted or requested but I do receive the 'l...
I cannot ping from my Cisco 9300 switch to another subnet on our network but I can ping from a PC on that switch to another subnet on our network. Why can I not ping from within the switch? I have a couple of switches on other subnets that can ping o...
