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Hi all,
DHCP ==CLOUD ===2900 router ==== 3560 switch ---- PCs
I have configured DHCP snooping on the 3560 switch and 2900 router ,and configured the uplinks as a trusted interfaces ,but I have a clints connected to the router directly ,the router c...
Hello ,
I have an issue or it is not an issue more than strange configuration ,I have 7200 router reloaded unexpectedly after the reload I can see under a specific interface "negotiation auto" command despite of the interface is hard coded.
int...
Dear All , I have an issue when a client move from one AP to another ,it asked to renew its IP address now I checked the DHCP packet on the core switch I found that the source mac address for the end client and the destination MAC as a broadcast ,and...
hello Waqas,
this is a well known issue due to a software bug in fed process :CSCuz57493
and for that you need to upgrade for an ios image that has the fix which is 3.6.6 or later releases .
and for the upgrade procedure ,please find the belo...
Hi Masoud,
thanks for your answer ,even ip dhcp relay information trust-all solved the issue ,but I can see that there are no option 82 configuration on both sides ,the switch and the router . .
so what is happening here ,I will try to get a sn...
hi ,
you can implement a safe debug as follow :
(config)#no logging console
(config)#no logging monitor
(config)#logging buffer 128000
after that clear the log
#debug ip packet detail
to check the trend of the traffic (which IP ,interf...
hi , #show interface trunk#show spanning-tree vlan 76 the first command will show you if vlan pruned or not on the trunk interface ,and the second command will show you if the trunk forwarding traffic from vlan 76 Regards
hi , most probably you are hitting software bug CSCur56395 and you need to upgrade to 15.0(2a)EX5 but I suggest to upgrade your 2960X to "E" train since it is more stable that EX5 ,but keep in your mind that after the upgrade yo need to power cycle t...