i find cpu ultilization is high 97% in access switch at Fed process then find its queue called broadcast then find the port connected with distribution layer switch N7K then, what should i do ? TX 19958467910 unicast packets 2086888451 multicast p...
Forum Posts
Hello, Just a cisco novice that have a few questions about the cisco 891w router, and hope that I can get some expert answers. I've just purchased a cisco 891w and use it as my home router/gateway via an external hdsl modem. I've managed to get t...
Hello I have been trying to get this working all day. I am using a 2800 ISR router with voice capabilities. I am trying to use Voip.ms for over a sip trunk to make calls but i get a voice message that says "this number has not ye...
Hi guy I would like to know Which switch stack is selection master from ? if it by default configure and it the same priority. It selection from .. such as uptime , mac address whatever... And i have any question about stacking I have 2 s...
Hello friends, I am trying to establish a 10 GB fiber connection between two Cisco switches. Switch 1 - Cisco WS-C3650-48PQ has 4 x 10 Gigabit Ethernet with SFP+ uplinks Switch 2 - Cisco WS-C2960X-48FPD-L has 2 x 10 Gigibit Ethernet with SFP+ upl...
Hey all. Would like to share an issue and see if anyone else has had this issue and could shed some light on a possible fix. Got a WS-C2960X-48FPD-L switch that is failing to load iOS c2960x-universalk9-mz.152-5b.E.bin We have this iOS image runn...
Hello All, I am going to configure 2 Cisco 6807 XL core switches in VSS.. My questions are: 1- I read alot that SSO is coming pre configured on 6807 XL ? 2- In my enviorment there is no requirement for routing protocols like OSPF-EIGRP etc its simp...
Hi all! I have created seral port extender over IP based on Cisco 28xx routers and HWIC-1T + CAB-SS-232FC/MT cables pair. Here is a picture of my network setup BSTUN protocol is used in asynchronous mode (yes, I need async). I took this Cisco's sampl...
I have a router running IOS 12.2, setup with enable & telnet access. However, I'm getting prompted for a level 15 username+password when I try to access it with Cisco Network Assistant, and the credentials I use for telnet access are not working with...
We have a pair of Nexus 5672UPs that occasionally experience packet losses, especially when backups are taking place to devices connected to these switches. I've made a list of what devices are using what ASIC. Is there any easy way to see if any one...
I have a nexus 9000 how can I automatically do a backup using the ftp. This is the ftp: copy running-config ftp://10.154.5.21/CRRHR-CORE-PRI.txt But I would to do that automatically
i try to ping a server hostabc, hostabc ip address is 10.128.*.*, now when i ping the host, it says reply from 192.168.20.5,destination host not reachable, anyone know the reason?
Resolved! L3 Switch Vlan complete isolation
I have a L3 switch used with three vlans. I need to ensure that traffic from each valn including broadcast, multicast should not cross each other. My objective is all three vlans should be 100% isolated. Traffic from one vlan should never enter anoth...
Hi Friends, I hate the fact that I have weak memory and keep forgetting important information as I have read QoS multiple times but since I don't work with it a lot I keep forgetting it :( Anyway, I have a Network Consist of Cisco Layer 2 Industrial ...
Hello, I have a problem wherebye an ICMP ping packet with size 1496 and the df-bit set is not being dropped as it passes through a layer 2 switch with the MTU set at 1490. If I set the icmp packet size to 1497, then the packet is dropped as I wou...
