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Cisco Community - Lab Series

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...

Resolved! ASA 5505 outside access for clients with dynamically assigned IPs, no outside access for clients with static IPs

We have an ASA configured to access the internet, which works fine for clients who have an IP address assigned by DHCP, but not for clients with manually assigned IPs.For instance, with the DHCP server configured to give IP addresses between 172.16.1...

Resolved! few miscellaneous question on switching

Hi everybody.I came up some question on different topics related to ccnp switch's curriculum.Etherchannel:Cisco documents say Cisco uses proprietary hashing algorithm to compute a binary pattern that selects a  link in the bundle.For example  below a...

sarahr202 by • Level 5
  • 1063 Views
  • 4 replies
  • 0 Helpful votes

address conflict

Hi!When a user try to reconnect a PC  appears  this problem:The system detected an address conflict for IP address 10.16.210.100 withthe system having network hardware address 2C-54-2D-EE-CF-C6. Networkoperations on this system may be disrupted as a ...

anacucala by • Level 1
  • 2189 Views
  • 2 replies
  • 0 Helpful votes

Resolved! Basic question about Management VLANs

This is a really really basic, and probably stupidly obvious question, but I just can't seem to figure it out, and it been a constant source of head scratching for me.I have two vlans. Vlan 2 is for data, and vlan 3 is for voice.  I changed the defau...

sbgoodwin by • Level 1
  • 2120 Views
  • 5 replies
  • 0 Helpful votes

VRRP interface tracking

Hi all,I config 2691 as Master for VRRP and it was tracking int fa0/0.I shutdown the interface fa0/0 and 2691 int fa1/1  was changed from master to backup.2691Router#                      sh vrrpFastEthernet1/1 - Group 30  State is Backup  Virtual IP...

mahesh18 by • Level 6
  • 1440 Views
  • 3 replies
  • 0 Helpful votes

Dot Symbol in clock

dot "." symbol usually showed when ntp not syn, but here clock is manually configured. then why dot comes before time.            Switch1#sh clock.13:09:24.226 PST Mon Feb 11 2013Switch1#sh cdloSwitch1#sh ccloSwitch1#sh cloSwitch1#sh clock deSwitch1#...

faamin011 by • Level 1
  • 4538 Views
  • 3 replies
  • 0 Helpful votes

%SW_MATM-4-MACFLAP_NOTIF error

Hi ,want to know exact root cause behind this issue .                   %SW_MATM-4-MACFLAP_NOTIF: Host 5cf3.fc25.0746 in vlan 34 is flapping between port Gi1/0/23 and port Gi1/0/20Jan 24 02:54:04.356: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56a4.00a1 in ...

Resolved! GLBP and backup AVG

Hi Everyone,Say For GLBP if we have 2 routers one is AVG with  and other is Standby AVG.Both are also AVF.Now if we add 3rd Router in Group what will it become it will be ? For sure it will be   AVF.Need to know will it become backup AVG ????????????...

mahesh18 by • Level 6
  • 2162 Views
  • 5 replies
  • 0 Helpful votes

Port fowarding to a different internal port

HeyI need to make a port fowarding from the WAN on port 8001 to the internal port 80 to access my phone system admin web-based tool and the port 80 on the WAN is already used for something else.i want to know if i do this would i be able to reach my ...

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