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Cisco Catalyst Center

This community is for technical, feature, configuration and deployment questions. For production dep...

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Join peers and Cisco experts to discuss Cisco’s Network Function Virtualization (NFV) products and s...

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What Happens When You Configure duplex:auto/speed:1000?

Can you tell us about the basic operation of Cisco equipment?This is a question if you have configured the following settings in an Interface that connects two Switch.SwitchA duplex:auto/speed:1000SwitchB duplex:auto/speed:1000What are the following ...

Translator by • Community Manager
  • 60 Views
  • 2 replies
  • 0 Helpful votes

SD-WAN OMP Graceful Restart timer

In my environment the OMP Graceful Restart timer is set to 7 days.If the vSmart is down, with the above the cEdge will have the routes till 7 days.After 7 days the routes will flush and the dataplane will be down.My question is assuming the vSmart is...

RS19 by • Level 4
  • 3353 Views
  • 11 replies
  • 1 Helpful votes

4331 router

I am trying to tftp to my pc the old ios's on this router and am getting this message when doing so.Router4331#copy flash: tftpSource filename []? /bootflash/isr4300-universalk9.16.06.07.SPA.binAddress or name of remote host []? 192.168.0.10Destinati...

moman62 by • Level 1
  • 68 Views
  • 1 replies
  • 0 Helpful votes

Resolved! 10G Module on Switch 3750 stacked

Hello, I have two stacked 3750 switches, each with a 10G module. The stack keeps generating the following log:"%PLATFORM_SM10G-6-LINK_UP: The FRULink 10G Service Module (C3KX-SM-10G) communication has been established."I’m not sure which switch the i...

请问ISR 1000系列路由器怎么配置nat hairpin

我是一个小白，刚刚接触带思科路由器，现在已经配置好了pppoe和nat，外网用户可以正常访问到内网服务，但内网用户通过域名无法访问到服务，请问我要怎配置呢？互联网 --- 路由器 --- 客户            |          服务器（192.168..x.x）当前的配置：interface Dialer1 ip nat outsideinterface Vlan20 ip address 192.168.1.1 255.255.252.0 ip nat insideip nat in...

weibin by • Community Member
  • 51 Views
  • 0 replies
  • 0 Helpful votes

Resolved! invalid input detected message

I'm using a 2921 router and boot this ios and am getting the following:R1(config)#boot system R1 c2900-universalk9-mz.SPA.157-3.M4 .binTranslating "c2900-universalk9-mz.SPA.157-3.M4"...domain server (255.255.255.255)% Invalid input detected at '^' ma...

moman62 by • Level 1
  • 117 Views
  • 6 replies
  • 0 Helpful votes

Resolved! Renumbering Switches in a Stack

OK, so I realized the switches in our stack are numbered wrong, with 1 and 2 backwards, and 3 being okay.I wanted to do a "switch 1 renumber 2 command", and got a warning saying "Changing the switch number may result in a configuration change for tha...

vPC keepalive over multiple physical paths

Hi!I need to configure 2 Nexus 9K with vPC at aggregation layer. These two switches are distant (500 m) and I need to provide high availability (no single point of failure) to the peer-keepalive link. As recommended by Cisco I create a dedicated VRF ...

Arista trunk to Cisco 3850 not working

Hi,I have an Arista DCS-7050TX-64 and Cisco Switch 3850 24X UPOE and a simple trunk configuration does not work.Port light is steady green and recognizes when port is shutdown so not Layer 1 problem, but more than that, there's nothing happening.When...

Resolved! Repurposing a Cisco1921 for LTE networking

Hello everybody,I just pulled from production an old C1921-k9 which onorably served for 14 years as main router terminating a PPPoE FTTC connection providing VPN services for a SOHO network. Now with FTTH the router has reached its limit and been upg...

fabios by • Level 3
  • 316 Views
  • 10 replies
  • 0 Helpful votes

SD Access inter fabric transit

HiI am lab testing multiple SD Access fabrics using one Catalyst Center deployment.  At the moment I am deploying an IP transit between each fabric's Borders because I have no requirement to extend SGT's between fabrics.I connect the Borders for each...

KevinR99 by • Level 1
  • 124 Views
  • 2 replies
  • 0 Helpful votes

Help getting an "old" 1801 back on track

Ciao,I've been trying to give a new life to an 1801 router for a few days now. I replaced the RAM and the Compact Flash card, after having tested it on another device. The router boots, but only in ROMMON mode.I'm currently getting this message: %SMC...

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