Easy question, how do I ping a specific VLAN/gateway to confirm connectivity?
A little background on this one I have to introduce two new hosts into a 6 node cluster. Unfortunately there are no vDS but that’s a different matter. I have been assured by the networking guys that...
View ArticleUCS 10GB with no DVS
HI guys, I have a Cisco ucs deployment using B-series fabric and was wondering the best practice for vswitch config. Using VMware Standard for now so no DVS. Most guides are based on DVS so any help...
View ArticleMAC address mismatch
When setting up a linux host....if i initially create >3 network interfaces, there are MAC address mismatches between VMWare and the host OS. for example, eth0, 1, and 2 may match the first 3 VM...
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VDS Health Check Issues
Hi Guys, I have a bit of a problem with Health Check.Even though the VLANS are correctly configured on the switch ports in Trunk Mode. The health check states that the VLAN is not supported My...
View ArticlePromiscuous mode Configuration
How can I allow only one VM on one port on a port group to be able to see all other traffic on the port group, but no other VMs have this ability? Should this / can this be done with promiscous mode...
View ArticleStandard switch promiscuous mode port group
What does a VM on a promiscuous mode port group need to do to receive mirrored traffic from other Vms on the port group? Can it be configured to receive mirrored traffic from withing the guest OS, or...
View ArticleTrouble pinging default gateway
Hi, I have kind of an strange problem regarding some VMs running on ESXi 5.5 U2 (HP customized image)I have installed 3 VMs, but on 2 of them, I can't ping the default gateway, and can't connect to the...
View ArticleGreen field networking for ESXi5.5 deployment.
Just got my new ESXi hardware in for a green field deployment and am trying to decide which is the best strategy for networking. Have these ports to play with 6x 10GbE2x 1GbE2x 16GbFC for SAN And my...
View Articleguest vlan member
hi all I have configured cisco CSR 1000v to have two interfaces, gig 1.1 (vlan 1) and gig 1.2 (vlan 2) of course using command encaps dot1q 1 and encaps dot1q 2 now I want to configure one of my...
View ArticledvSwitch IP address
When configuring netflow there is the option to supply an IP address for the dvSwitch. It is not clear which network this IP address applies to. Can I just supply an available address on any of the...
View ArticleBridge Aggregation (ESXi) ping to Windows connected in the same switch fails
Hi All We have a HP5900 switch where 3 ports are aggregated in Static mode, ESXi 5.5 is connected to the switch. We have set "Route based IP hash" on vSwitch0 and on the VMkernel Management network...
View ArticleDMZ setup in VMware
Hey everybody I have been tasked with setting up a virtualised web server (IIS) in a DMZ. I understand there are many ways of achieving this but the main ones I am looking at is using dedicated...
View ArticleFunny error
Hi! I currently configuring a vDS with LACP connected to 2 Dell N3000 physical switchs. The Dell switchs are using VPC to interconnect everything I have successfully added my first Host to the LACP...
View ArticleLink aggregation between 2 servers without a switch
Hi...I have a customer with two servers with 4 nics, one is production server and the other is a backup server. I need to set the fastest possible link speed between the 2 servers as i need to move a...
View Article'Node isolated from network. Either repair network or override agent startup...
I have (3) ESXi hosts running 4.0. I noticed this strange message on the console,'Node isolated from network. Either repair network or override agent startup using option -noiso' Any ideas? Thank you,John
View ArticlePK_VPX_DVPORT_MEMBERSHIP duplicate key (KB2092070)
I have just had the pleasure of running into this bug when replacing a ESXi host in our vsphere cluster. VMware KB: Failures or crashes when trying to make changes to vDS membership after upgrade from...
View ArticleNIC failover does not work in LBT mode
Dear Community,We have encountered a strange behavior in our network environment while testing our new Cisco 4500x 10g switches. If you have a TCP-Session (e.g. dd | netcat) transferring data between...
View Articleabnormal behavior with dvswitch
Dear All, having a problem with distributed switch. I have 4 host in my cluster, VMs are deployed in cluster, VMotion, Management and other data traffic are running smoothly. But when when a VM...
View ArticlePromiscuous Mode
I was seeking clarification as I have seen it explained both ways. When enabling promiscuous mode on a port group only and not on the entire vSwitch (standard or distributed) that the network adapter...
View ArticleNewbie to VMWare - question about DVS configuration viewing
I am able to see my Distributed Switch networking topology from each host in my cluster (8 hosts).However, if I try to view the configuration topologies for each Distributed Virtual Switchin the Home...
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