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I'm often getting errors on my Cisco Router RV160W with  2021-09-01T17:44:17-04:00 <error>dnsmasq: failed to parse lease database cleanly2021-09-01T17:44:17-04:00 <warning>dnsmasq: ignoring invalid line in lease database, bad address: 78:7e:61:d9:05:...

wayaub by Level 1
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 Aug 29 03:40:38.265: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 38 ti mes)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Gi1/48 in vlan 11

ledio1 by Level 1
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  • 1 replies
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I have a problem in my Cisco network and I am not able to solve it.Some connected devices are browsing normal and for no apparent reason are able to load more web pages. These devices can ping to Gateway, external website by IP and also able to ping ...

 I have been stumped with this problem I have between routers and I hope some of you gurus can help as you are my last hope.  The ProblemAbove is my lab setup, below is the problem I am having Router R3 is unable to communicate with the internal ips ...

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Hello Hotel speed move up to 200 MBs recently and we got one sd wan with 14 static IP, I need to hook up two routers to this sd wan but only one port is enabled, I was requesting to the ISP to bridge a couple of ports so no need for me to get a new s...

Coy091912 by Level 1
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  • 1 replies
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Just making this post so no one else tries to run this software version on their 3850.Do not attempt to run cat3k_caa-universalk9.16.12.01.SPA.bin on the 3850.Mine is a C3850-12X48U-E.I verified the SHA512 multiple times and even tried booting from a...

DJX995 by Level 3
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  • 17 replies
  • 5 Helpful votes

Hi All, Planning for an small branch of looking for an L3 switch where MPLS connection can be connected. Can Cisco Switch 9200 or 9300 be used with Network Advantage licensing if yes them which 1 will be better Thanks in advance

Bhardwajp by Level 1
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  • 3 replies
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HiWe have Cisco Nexus 93180YC-FX switches. All ports are currently used and additional servers are required to be connected.Can I make use of the breakout cables that are available.I.e the switches have 6 x 40/100-Gbps QSFP28 ports.If I used a QSPF-4...

NGJ by Level 1
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  • 4 replies
  • 0 Helpful votes