I have an issue where at one of our manufacturing plants where we run multiple VLAN's, several of the production equipment port connections are showing up on the equipment as a duplicate IP, and the equipment will not come online. it involves 8 ports...
Good morning gentlemen
We have a pair of Nexus 5596UP with 2 dual-homed FEX. Some servers are connected in channel and also dual-homed with one connection to each FEX. This way, completely redundant. But we have layer3 interfaces on those switches, ...
Imagine an access switch dual homed to a vPC domain. One link to each switch in the vPC domain. If an STP BPDU is received at the access switch from one uplink, will it forward it out the other uplink? I would say no, otherwise the basic forwarding r...
Gents the requirement is that we have to bundle three ports on nexus 5K (port-channel)
so i will add mode trunking,vpc etc etc and allow vlans on the port channel...my question is do i have to go and individually configure the ports itself as well w...
Hi,
I have a HP procurve 2510 acting as the core and 5 x Catalyst 2960S working as edge. MSTP is used but I keep having problem with the Cisco switches that the root port in all 5 cisco switches are changing every 1 hour. Below is the log from one o...
I didn't really find a book which talk about how to draw a network topology.
Do you know any good book or some documents which could give us clear network topology rules to follow it?
Hi All,
Please help us.
We are using Cisco SG300 switch and CISCO2921 router ! We are unable to ping and telnet router to switch SG 300 , but we are getting ping router to PC , PC to router
Cisco Router
interface fa 0/1.22 encapsulation dot1Q 22 ...
Hello All,
Im new with all the QoS settings and I need some help. I the following simple topology:
LAN (int Vlan4 10.0.0.0/24)--------------- Router c861W-------------WAN (public IP by dhcp 200.75.56.X/24)
In the LAN I have 4 users with Manual DHCP a...
I have a Nexus 9396PX in our lab to which we have a console connected.
The console went unresponsive last friday. After power cycling the switch (multiple times), it would go through this initialization and then go unresponsive:
Trying 172.27.250.89....
We are building a new border infrastructure and at our borders edge we will have two routers, the next network device will be a pair of Catalyst 4500X switches that will be configure with VSS (see attached diagram). Between the two border routers and...
Does anyone know how to configure a 4500X with a GLC-T SFP so that it will work at 100M. The data sheets say it will work at 10/100/1000 but Im not seeing that happencan't set the speed and it doesnt negotiate with anything at 100Mit will on...
Hi.
I have un Nexus 7k with two N7K-SUP (SUP1) installed and in service.
I need to upgrade the chasis to N7K-SUP2E without service interruption.
The quiestion is if one SUP1 and one SUP2 can work together...
I mean... I wont to remove de standby SUP1...
Can the 10GBASE X2 Modules be used to connect to other devices such as storage appliances? It looks like 10GBASE X2 is used exclusively for uplinks. I would like to connect a storage appliance from its 10G port to a Cisco X2 port.
