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C3850 24 PoE+ Switches & NM

Hello, Can someone advice please if Network Modules C3850-NM-4-1G are supported on Cisco C3850 24-Port PoE+ switches? - It is not clear from the Compatibility Matrix.We need to interconnect several Cisco C3850 24 PoE switches located in remote areas ...

Resolved! %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet1/1 (169), with SW1 GigabitEthe rnet1/1 (1).

Hi   I just put this question since I am confused how native LANs information is shared,   I have a very simple scenario    SW1 Gi1/1 (vlan169)<--> SW3 Gi1/1 (no vlan)   What would cause native vlan error to trigger, I see native vlans same on both s...

Resolved! Problem routing traffic to second network

I have a Cisco 3925 and Cisco 2960S directly connected by to physical gigabit interfaces, One interface (Data) is working as expected, the other (Guest) is seen as a CDP Neighbor, I can ping it, but I cannot get the 2960 to pass traffic over it. The ...

bharvey by Beginner
  • 4210 Views
  • 22 replies
  • 0 Helpful votes

Resolved! Medium Campus Lan Design Questiosn

Hi All,   I've got a few design questions for a medium campus involving 3 buildings. I've got a 10g fiber connection between all the buildings.    For equipment I've got an ASA 5525, Two Cat 3850's , and six 2960-X's.    First question is around the ...

JoeT by Beginner
  • 868 Views
  • 16 replies
  • 0 Helpful votes

Resolved! Loopback Problems

I am try to setup a couple of Loopback address on my Cisco 2851 Router.... Here are parts of my config file: interface GigabitEthernet0/0 description  INSIDE  ip address 192.168.0.50 255.255.255.0 ip access-group 100 in no ip redirects no ip unreacha...

850 Booting Up Switch: (mode)

I am trying to boot the image from usb. But i am getting following error. Please help. switch: boot usbflash0:cat3k_caa-universalk9.SPA.03.06.06.E.152-2.E6.bin Reading full image into memory...............................................................

Resolved! 4507 went to romon during IOS upgrade

                   Hi all,I copied new ios image to 4507 .changed the boot system bootflash to new ios.changed the config reg to 0x2102.did reboot now thisconfig-register = 0x2102Autobooting using BOOT variable specified file.....Current BOOT file is...

mahesh18 by Frequent Contributor
  • 2124 Views
  • 4 replies
  • 0 Helpful votes

Resolved! Traffic does not go through hsrp ip address

Hi Two Nexus7K have configured with hsrp with its address 10.1.1.1 and 10.1.1.2 respectively. The vlan address for this hsrp is 101.1.3 After traceroute, i noticed the traffic goes through 10.1.1.1 instead of 10.1.1.3 Do you think this would have any...

wfqk by Contributor
  • 212 Views
  • 2 replies
  • 0 Helpful votes

Resolved! QoS - Marking with Switch QoS not enabled

Hi,    Marking traffic from source. E.g. VTC with DSCP Value. VTC connects into Switch. Switch has not been enabled for QoS (qos mls has not been enabled).Will the switch just pass through the traffic with DSCP value or with the switch overwrite the ...

sy_price by Beginner
  • 1331 Views
  • 5 replies
  • 0 Helpful votes