I have 1 2960X located in 1 IDF and 1 2960X located in a 2nd IDF. I have dual fiber connections from each 2960X running back to a pair of interconnected Nexus 5596UP core switchs. I have configured 2 ports on each Nexus as port-channel (18 & 19) with...
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Forum Posts
Here is a good one. I need to find the polling IP address of an L2 switch (3560V2) in my network. I will describe the portion of my network in question. There are multiple edge devices connected to an L2 switch (3560v2). The L2 switch uplinks to a co...
I work for a very old company that owns a class B IP range. I've been given the task of moving our lan addresses to class C.I was going to start with the following approach;- create a new dhcp pool on existing win 2008 server with class C range- crea...
Resolved! dhcp relay + vlans
I work for a very old company that owns a class B IP range. I've been tasked with changing our lan ip addresses to class C as they plan to sell the class B addresses.My plan was to add a new IP pool to our existing dhcp server (win 2008) for a new v...
Hello,We try to activate multicast here and it does not seems to work properly. There is our configuration : Core : 4506 with L3 routingDistribution : 3750 L2 onlyAccess: 2950 L2 onlyOn the 4506 we have those commands configured : ip multicast routin...
Currently Being ModeratedXerox 5745 Printer Reboots at 75% when connected to Cisco 2960Hi,We are having a problem with our Xerox 5745 multifunction Printer...This problem had been forwarded to Xerox, but they claim that a problem was caused by a powe...
Hi, are there any type of debug monitoring cli commands that should be used with caution and that could crash a switch (L3 switch)? Just out of interest. Thanks
Hi all,A very simple question for the group (I hope!) regarding 3750 switch stacks.I've inherited a stack of 6 3750 switches. I need to reduce this to two. All of my active connections have been moved over to the remaining two switches I plan to ke...
I have a 6509-E with dual 3000W power supplies. Each is plugged in to a separate UPS, and they are the only things plugged in to those UPSes.Something very odd I notice is that one UPS shows a 30% load, while the other only 10%. The 6509 is configu...
Hi all Cisco experts,recently I tried installing a WS-X4648-RJ45V+E 10/100/1000 PoE blade into slot 10 of our WS-C4510R-E chassis and it can back with an alert stating the blade is not supported in this slot.However the WS-X4248-RJ45V 10/100 PoE blad...
Hallo all, I see a very strange behavior on my two nexus switches. Both are Nexus 5548 with L3-daughter-cards. Both do l2 and l3-switching, ACL-filtering and other things. Furthermore I have a set of servers connected to both switches in a vPC-setup....
We seem to have a strange issue that started yesterday. We have n1000v connected to 2 x 5548's running 6.0(2)N1(2).We have 2 machines connected to vlan that is on N1000 port profile and n5548 with hsrp default gateway.The 2 machin...
Hi networkers!Requirements:- 2 locations (OFFICE, DC) in the same town- each having two active WAN connections (carrying individual routing domains): The default Any2Any WAN (where several other locations are connected to) and a client specific MC WA...
Hi,Without realizing that the ROMMON version on the platform is older (15.0(1r)SG5) then the minimum required 15.0(1r) SG7 for VSS, I converted the switch running IOS 3.4.0 SG to VSS. It took the commands and reloaded and went straight into ROMMON mo...
Hi,Does anyone know a protocol for the Ethernet control plane which has a unicast destination address?MVRP, MMRP, MSTP, RSTP, all these protocols have a multicast reserved destination address.Perhaps we have to look non-802.1Q control plane protocols...
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