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Resolved! BPDU format on access port?

Hi, On a port configured as an access port, on a switch running rapid-pvst, what information is sent in the BPDU on this port? Is it only STP information related to the one VLAN, or also information for other VLANs? The background is that I have t...

Bug fix

Hi, I am serching whether the bug  (BugID:CSCuw30999) has being  fixed　by the currennt IOS Version 9.6(2)11 – 02/22/2017. http://www.cisco.com/web/software/280775065/135274/ASA-962-Interim-Release-Notes.html Anyone knows how do i get those informatio...

6880 QSFP line card

does the 6880 support a QSFP line card? I see where the 6840 has 2 QSFP on Sup? Is this correct and does the 6880 support this or is there a line card for the 6880? thanks, 

Resolved! bridging pim-dm to pim-sm

I have some checkpoint firewalls which are receving multicast from a WAN.The Firewalls are configured with pim dm on the interface to the inside network.and the interface is setup with static-groups whcih forward the packets to the inside network.The...

jschweng by • Level 1
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  • 8 replies
  • 0 Helpful votes

DHCP issue

Hello, I recently swapped out a 3650X for a 3560S. After connecting the 3650 to our network an issue occurred. Users started noticing that they could no longer print or access certain files. After verifying the IP address on the hosts, I noticed that...

nicholss1 by • Level 1
  • 318 Views
  • 2 replies
  • 0 Helpful votes

Jumbo Frame enable on 6509E any gotchas ?

Hi I am planning to enable jumbo frames on a 6509e . looks straightforward ...enable jumbo egress globally "system jumbomtu 9000" then on vlans and ports/port channels passing jumbo frames set the "mtu size " . ( hopefully I have this bit right ! ) ....

Resolved! cat4500x RSA signature verification failure

I try to install the k9 image to a Cat4500x without success. The image has been uploaded using tftp, boot variable set to the new image and config register set to 0x2102. The device hangs in rommon with the following message:rommon 3 >boot bootflash:...

EIGRP WAN failover design help

I'm having some issues getting an EIGRP design to work correctly. I've set up a lab consisting of a WAN and LAN. In the WAN portion I've created EIGRP AS 25. The WAN appears to work properly. I can ping all devices. I'm having issues with the LAN por...

network issues

Hi  I am connected to VPN  through  Cisco AnyConnect Secure Mobility Client it is connected but my network is down on it getting 0.98Mbps  if i am ping to server through which we are connected it showing general failure.  In am using 5506x firewall.

Resolved! how to configure NTP in Nexus 7710

I have NTP server having 10.92.185.1 and 10.92.185.2 .  This ip  is pingable from my cisco Nexus 7710. and i have configure the NTP but it is not synchronised with my cisco nexus. JHDCR02CSW01# show run | in ntpntp peer 10.92.185.1 prefer use-vr...

jhsdc-it by • Level 1
  • 863 Views
  • 1 replies
  • 0 Helpful votes

Question about L2/L3 and routing

Hello, theoretically, is the cisco switch (6500 family in particular) able to route packets within one L2 segment (one vlan) using default gateway instead of direct MAC? So we have computer A with MAC 00:00:00:00:00:AA, computer B with MAC 00:00:00...

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