I have terminals that boot up from a disk and obtain IP from server via DHCP. Had 2950 switches and works a treat. Replaced switch with 3750 not in stack and cannot get this to work. IP address appears as incomplete in ARP on router momentarily.
I have terminals that boot up from a disk and obtain IP from server via DHCP. Had 2950 switches and works a treat. Replaced switch with 3750 not in stack and cannot get this to work. IP address appears as incomplete in ARP on router momentarily.
Dear,I am getting the attached error message when copy the IOS image to the tftp or to the router from tftp.The router 2801 configured with vpn site to site.Thanksswami
Hi all!We had an external scan on our IP ranges and some of our network equipment got flagged for some security issues.Log from the scan:Port ntp (123/udp)NTP read variablesSynopsis :An NTP server is listening on the remote host.Description :An NTP (...
Hi,We currently have 1 6509 switch with two WS-SUP32-GE-3B modules working in Single Router Mode Redundancy. Can I get another switch with same configuration and run HSRP for better redundancy?What are my options when its comes to using the WS-SUP32-...
All,I have 5 3750 switches. Each one of these have the SFP module in ports 25-28. These are uplinked to other switches (over redundant). I'm going to be removing these this weekend, and I was wondering if there would be any drawback to me using these...
How many Cisco Aironet 1250 APs running 3x2 at 20mW under Cisco Enhanced PoE are supported on 3750E-48PD? Does it change with 3750E-48PD-F? How about X4648+E blade from 6500?Where can I find a power calculator for 3750E?I once had a customer buy 48 C...
I have a strange problem. We have nat setup on our gig 0/0 interface. You would think that it wouldn't create an arp entry for the natted I.P since its being done inside. However, it seems that for some reason, the nat I.P we are using is being adver...
Hi guys,looking for a little confirmation on this one. class-map match-all CUST1 match access-group 12class-map match-all CUST2 match access-group 11class-map match-all CUST3 match access-group 10!!policy-map GUARANTEE class CUST1 bandwidth 4000 cla...
We have a router 2600 connected to a 3560 switch. On router side the link was configured as IP interface, on switch side was configured as trunk, 1q, native vlan 7XX.Problem: switch can see the router in show CDP nei command, but the router can't. Th...
I got this working, but detection of dual-active is really slow. I can't get conversion below 20 seconds. Below is my interface config. Is this the best that is possible ? I know Pagp+ is (much)faster, but i am focusing on BFD now.interface GigabitEt...
Hello Everybody,I was planning to implement redundancy at core level by using once C4506 and a 3750G switch using HSRP and the trunks from various distribution layer switches would be connecting each of these switch. Primary trunk to C4506 and the co...
Does anyone know if this can be done to a workstation? I know phones can be done through option codes, but I think those codes are vendor specific. Is there an option that anyone knows of that will assign a workstation to a vlan?Thanks!John
Hi,I'd like to setup an HSRP architecture between 2 6500 (MSFC2) and 1 4503 (Sup2 plus TS).The Idea is to use 2 HSRP Groups for each VLAN. (I will have 2 gateways for each VLAN)But I would like to know how many groups I can use on the 4503?I found th...
HiI have a remote office with a 2960 24 port switch connected to 2 2600 routers (redundancy). I'm using sub-interfaces on the routes configured for .1Q encapsulation to trunk 2 VLAN's from the switch to the routers. 1 of the routers only seems to see...
hellomy customer has faced to flapping addresses issue, due to STP reconfiguration problem.this is intermittent and difficult to catch in livewhich logs or debugs can is set on core switches (WS-C4507R 12.2(20)EWA3)in order to get more informations ...
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