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I have two 6500's When I try to trunk them together on the Xenpack fiber I get intermittant connectivity. When I trunk them on a gig coppper port they are fine. I have several other 6500's trunked like this but they all work fine.

sfstewart by Level 1
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Hi,I am having Cisco 3560 connected with Extreme (Summit-200-48) throgh trunk port but no communication between them. What could be the issue,not able to understand any idea please help me out.ThanksVineet

We have a network made up of primarily 3560 access switches. Our switches are on various versions, but all seem to run the SE release. Here is a list of some of what the versions are currently on the switches:WS3560-48PS 12.2(25)SEE4-IP-BaseWS3560-48...

HI all. My office is using asa 5510 and 3 interfaces namely ext, int and dmz are used. My int interface has higher security than dmz. I have enabled the accesslist to allow int ip subnet to be able to access dmz on icmp. However when i try a pc in in...

donnie by Level 1
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  • 4 replies
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We have a user that is gaming, is there a way to rate limit bandwidt to the switchport that is workstation is conncected.interface FastEthernet7/5 description D40A no ip address switchport switchport access vlan 74 switchport mode access spanning-tre...

lacox3131 by Level 1
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We are running transparent mode for all the switches in our network. However, we experienced port channcel failed after we changed the VTP domain name on the switch sitting on one end of the port channel. I am wondering if any one else experienced th...

cedar_lee by Level 1
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Resolved! uplink port

hi everbody!I have few questions about uplink port on a switch.My understanding is uplink port is usually used to connect to another switch/hub.When using uplink port to connect to another switch uplink port ,we need staight through cable as pins in...

sarahr202 by Level 5
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  • 17 replies
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Hi all. I have a cisco asa 5510 which i could not telnet to the inside interface. I have enabled "telnet 172.20.0.0 255.255.0.0 inside" and "passwd password" commands but it could not work. Secondly i would like to know why i could ping my external i...

donnie by Level 1
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  • 2 replies
  • 0 Helpful votes

On any of my 2501's or 2502's, I activate "debug cdp adjacency" or "debug cdp events" shortly after booting up. I see no debug output when a new cdp neighbor comes online; neither before nor after that neighbor appears in the sh cdp neighbors comman...

Q1: Is there any documentation listing the amount of performance enhancement between DFC3a and DFC3b?Trying to determine if its worthwhile to purchase DFC3b cards for PFC3b module.Q2: Is it possible to have mixed DFC cards on the same chassis DFC2 an...

fredj1234 by Level 1
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I am getting conflicting info as to whether GLBP (using a pair of 6509 sup 720's load balances its traffic by default). Anybody know for sure?Exhibit A:Output of show glbp...you can see at the end it indicates round-robin load balancing...GigabitEthe...

mprescher by Level 1
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  • 6 replies
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In my existing n/w router connected to L3 switch where i have connected 30 L2 switches. Due to power problem i want to add a new L3 switch in different room without affecting existing n/w instead of existing L3 switch.. without removing old l3 switch...

vinothlb1 by Level 1
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  • 1 replies
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Hope someone can help me brainstorm this issue:Catalyst 6509WS-X6K-SUP1A-2GEWS-F6K-MSFCWS-X6248-RJ-45WS-X6248A-TELWS-X6248A-TELWS-X6148-RJ-21WS-X6248A-TELWS-X6408A-GBICWe've had the line card module in slot 4 fail multiple times over the last few mon...

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