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migrating class b lan to class c

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...

chrisgerke by Beginner
  • 1299 Views
  • 8 replies
  • 0 Helpful votes

debug

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

Andy.S by Beginner
  • 654 Views
  • 4 replies
  • 0 Helpful votes

Power Draw on 6500 w/ Dual Power Supplies

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...

PoE 1Gig blade in 4510

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...

nexus-switches issues no arp-requests.

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....

th.oswald by Beginner
  • 2274 Views
  • 3 replies
  • 0 Helpful votes

Nexus 5548

                   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...

BGP, VRF and PBR ("set vrf")

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...

JOEPI1234 by Beginner
  • 435 Views
  • 0 replies
  • 0 Helpful votes

4507R+E with Sup 7-E in ROMMON

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...

rick505d3 by Beginner
  • 596 Views
  • 1 replies
  • 0 Helpful votes