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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

I have this assignment where I need to make this work. I am new, and I've spent 5 days without understanding what I'm doing wrong and why it doesn't work. The topology must not be altered. I must use OSPF and change the addresses shown in the picture...

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Yozhz by Community Member
  • 502 Views
  • 27 replies
  • 0 Helpful votes

Hi, Is there any clarity on whether CVR-QSFP28-SFP25G can be used with C9500-32C and C9500-32QC? I see support for CVR-QSFP-SFP10G in release notes for 16.10 but no documentation exists for CVR-QSFP28-SFP25G compatibility on TMG matrix or release not...

mandico by Level 1
  • 36 Views
  • 0 replies
  • 0 Helpful votes

Hello. I have two questions about ICMP behavior and Fregmansion behavior. All system jumbo MTU / all interfaces / SVI are set to MTU 9216. 1. Packets are generated and processed by the ASIC (data plane) when pinged without a source When pinged to the...

moons by Level 1
  • 216 Views
  • 5 replies
  • 0 Helpful votes

Hi, In a few days I will be upgrading our C9404R switch which has dual supervisors from 17.12.04 to 17.12.06. I have some questions on it. Is there a preferred method for this? Is ISSU upgrade preferred, although I hear people facing issues with this...

THussain by Level 1
  • 99 Views
  • 3 replies
  • 0 Helpful votes

      Hi guys I purchased a refurbished Cisco Catalyst 3850 switch to uplink back to a unifi dream machine for 2 APs and a proxmox server also possibly 3 Zimaboard 2 in a cluster down the road but my concern is the catalyst 3850 went into EOL back in...

Cmo33 by Community Member
  • 129 Views
  • 2 replies
  • 0 Helpful votes

Hello, On a Cisco 3850 switch, I have an SVI (VLAN 2). When I do show run int vlan 2 Vlan2 is up, line protocol is up , Autostate EnabledHardware is Ethernet SVI, address is 00b6.70c4.e177 (bia 00b6.70c4.e177)Description: Vlan 2 - XXXXXInternet addre...

abtt-39 by Level 1
  • 182 Views
  • 7 replies
  • 0 Helpful votes

interface Vlan 111description Guest@VLANip access-group 2002 inaccess-list 2002 permit ip 172.28.240.0 0.0.7.255 172.31.1.0 0.0.0.255 (Firewall, WLC VLAN)access-list 2002 permit ip 172.28.240.0 0.0.7.255 172.30.1.0 0.0.0.255 (DHCP, DNS, LDAP VLAN)Iss...

rsthakur by Level 1
  • 432 Views
  • 16 replies
  • 0 Helpful votes