suthomas1

Member Since: Feb 17, 2009

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suthomas1 commented on arp entry for same mac in LAN, Switching and Routing 1 week ago

apologies, that is a typo.Vlan 11 is correct . Appreciate inputs. sh ip arp | i 7af2Internet  192....

suthomas1 commented on management access - member port status in Getting Started with LANs 2 weeks ago

Yes, the vlan1 interface is admin shut & vlan 10 is active/permitted through the trunk uplink...

suthomas1 commented on management access - member port status in Getting Started with LANs 2 weeks ago

Thanks. But this is a layer 2 switch & this vlan 10 is only for management, so no user ports on...

suthomas1 commented on garp in sniff traffic in LAN, Switching and Routing 3 weeks ago

Thanks, so is there is a possibility that this garp can be initiated by layer 3 routers resulting...

suthomas1 commented on Packet capture on cisco 3800 in LAN, Switching and Routing 1 month ago

Thanks. In my case, the source is an entire vlan. so, monitor session 1 source vlan 86 both the...

suthomas1 commented on Packet capture on cisco 3800 in LAN, Switching and Routing 1 month ago

Thanks. i see, i was under the impression that the port connected to laptop (with wireshark) only...

suthomas1 commented on Replacing 3750 with smart install in LAN, Switching and Routing 1 month ago

Thanks. we did a wr erase, removed stack configurations & vlan.dat. Its configuration now shows...

suthomas1 commented on vlan spanning in LAN, Switching and Routing 2 months ago

Can this be done without RSPAN. If the machine with sniffer is connected on the same L3 switch...

suthomas1 commented on vlan spanning in LAN, Switching and Routing 2 months ago

If the users on vlan 51 are connected across multiple layer 2 switches, will it be advisable to do...

suthomas1 commented on vlan spanning in LAN, Switching and Routing 2 months ago

Thanks for that. Once the configuration is done, when i plug my pc into the destination port how...

suthomas1 commented on vlan spanning in LAN, Switching and Routing 2 months ago

Thanks. The source users (multiple on vlan 51) are on a layer 2 switch. SVI for it is on another...

suthomas1 commented on vlan spanning in LAN, Switching and Routing 2 months ago

Thank you for the reply. Apologies, for not clearly mentioning the question. Yes, it is about SPAN...

suthomas1 commented on STP error in LAN, Switching and Routing 10 months ago

Thanks , one of the ports involved is a FET port on a nexus 2k. Trying to disable bpduguard gives...

suthomas1 commented on host not pingable through trunk in LAN, Switching and Routing 1 year ago

the host is actually a vm host & the trunks above connect to the vm managements. they are...

suthomas1 commented on host not pingable through trunk in LAN, Switching and Routing 1 year ago

interface Ethernet155/1/10  switchport mode trunk  switchport trunk allowed vlan 20-23,120  channel...

suthomas1 commented on private vlan for interconnecting switches in LAN, Switching and Routing 1 year ago

thanks for the reply Paul. yes all the vlans (including the pvlans) will be trunked across to both...

suthomas1 commented on Stack switch - role sequence in LAN, Switching and Routing 1 year ago

Thanks Seb & Jhager. what happens if we power-up switch-3(current master) first and then follow...

suthomas1 commented on port channel to nexus in LAN, Switching and Routing 1 year ago

Thanks again. Pardon me, but i am just trying to grasp an understanding of vpc on the po11 at 7k...

suthomas1 commented on port channel to nexus in LAN, Switching and Routing 1 year ago

Thanks both again. Its a stack of four 3750's with the uplinks from switch-1 & switch-2 being...

suthomas1 commented on port channel to nexus in LAN, Switching and Routing 1 year ago

Thanks Reza.So we will be using one 2 ports from two 3750 stack members & connect them to two...

suthomas1 commented on port channel to nexus in LAN, Switching and Routing 1 year ago

Thanks Reza & Masoud.The two 7k's are in vpc together.Assuming its a stack of four 3750's being...

suthomas1 commented on stp guard loop in LAN, Switching and Routing 1 year ago

The device showing this error is the core switch(NW-TDC-N95-2) for this particular physical DC....

suthomas1 commented on port security nexus switches in LAN, Switching and Routing 1 year ago

this is for normal ethernet connections and some fibre connections to server/hosts. 

suthomas1 commented on Spanning tree not existing for vlan in LAN, Switching and Routing 1 year ago

this is a nexus 9396 switch. Even when the port is up , it shows the same.

suthomas1 commented on Trunk vlan - specific or all in LAN, Switching and Routing 1 year ago

Thank you Reza.So, am i correct in saying that out of all the vlans, 1-4094 allowed on this trunk...

suthomas1 commented on vlans - stp state check in LAN, Switching and Routing 2 years ago

Thanks for the reply.So, if vlan 2001 & 3900 are added to the vlan database, will the Stp...

suthomas1 commented on vlans - stp state check in LAN, Switching and Routing 2 years ago

thank you for the reply.we see below commands in our switch.spanning-tree mode rapid-pvstspanning-...

suthomas1 commented on fex 2000 connecting to nexus 7k/5k in LAN, Switching and Routing 2 years ago

thanks. Is it necessary that FET's be used on both sides for connecting nexus 2000 fex to nexus...

suthomas1 commented on fex 2000 connecting to nexus 7k/5k in LAN, Switching and Routing 2 years ago

Thanks.A doubt, should the "spanning-tree port type" be network or normal under the port-channel or...

suthomas1 commented on disconnecting nexus fex's in LAN, Switching and Routing 2 years ago

Thanks again for the reply.Following are the commands in the switch now associated with the Nexus...

suthomas1 commented on disconnecting nexus fex's in LAN, Switching and Routing 2 years ago

Thanks for the reply.So, will the following sequence be correct;- - under the port channel, delete...

suthomas1 commented on nexus 5k vpc in LAN, Switching and Routing 2 years ago

Thanks,so i believe, this arrangement aids in getting the server connection redundant with link...

suthomas1 commented on nexus ping drops in Other Data Center Subjects 3 years ago

The ping target is the SVI on nexus. but few devices on this segment work fine whereas few others...

suthomas1 commented on wan links on router in WAN, Routing and Switching 3 years ago

Both these routers/links are for site connectivity & not Internet.I believe Leo described the...

suthomas1 commented on wan links on router in WAN, Routing and Switching 3 years ago

One of the wan link is point to point & other one is to the wan cloud.Both these wan routers...

suthomas1 commented on Nexus interconnect in LAN, Switching and Routing 3 years ago

Thanks Nawaz.Is there any steps that can be used to interconnect the second nexus to current N5k to...

suthomas1 commented on nexus ping drops in Other Data Center Subjects 3 years ago

Thanks Richard.Routing looks fine, the only thing that can be seen on the n5k is some flow control...

suthomas1 commented on device connectivity via ap-bridge in Getting Started with Wireless 3 years ago

We tried the above steps, but it doesn't help.is there any other things that we can see in this.

suthomas1 commented on receive flow state logs on nexus 5K in LAN, Switching and Routing 3 years ago

Thanks. I did get few things out of the above, but in a larger way it doesn't really point out...

suthomas1 commented on device connectivity via ap-bridge in Getting Started with Wireless 3 years ago

Here are the outputs,sho wgb summabc:17:55:67:d4:40  192.168.100.101     AP-Root02     Assoc     1...

suthomas1 commented on device connectivity via ap-bridge in Getting Started with Wireless 3 years ago

Thanks Steve & Rasika.I'll get these outputs from the local folks & present it here.Another...

suthomas1 commented on dhcp across two network in LAN, Switching and Routing 3 years ago

John, thanks for the reply.Layer 3 for Vlan 50 - 172.16.50.0 /24 is configured on Firewall A . The...

suthomas1 commented on ping to gateway fails in LAN, Switching and Routing 3 years ago

Sorry folks, it was a typo & was meant to be vlan 6 all the way.I resolved it by removing arp...

suthomas1 commented on firewall interfaces & nat in Firewalling 3 years ago

Thanks Jouni. We are running 9.x , but the question is generic for understanding the functionality...

suthomas1 commented on ingress interface in packet trace in Firewalling 3 years ago

Thanks Jouni.I've already rated the other discussion as answered, i just followed your posts &...

suthomas1 commented on no route to host shown in packet tracer - unable to ping gateway in Firewalling 3 years ago

Thanks Jcarvaja. It just started working after a while, not sure what transpired but yeah its...

suthomas1 commented on ip connectivity through firewall segments in Firewalling 3 years ago

Sorry Jouni, typo error. I am re-writing this for clear reading.10.50.10.0 - Vlan5 ( this gateway...

suthomas1 commented on ip connectivity through firewall segments in Firewalling 3 years ago

Thanks Jouni. Apologies  for the typo, i'll re-phrase this.172.16.30.0 /30 is used for routing...

suthomas1 commented on ip connectivity through firewall segments in Firewalling 3 years ago

Thanks Jouni. On the same piece, if we create new segment A ( 10.10.10.1 - Vlan 10 ) on one of the...

suthomas1 commented on vpn over ethernet in VPN 3 years ago

Thanks again. That is correct, the branch internet is accessible only via HQ.If the authentication...

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