Recently we observed that newly installed WS-C3560CG-8PC access switches are able to communicate without a default route or default gateway.The 3650 switches are used as a layer2 access switch behind a layer3 distribution/core. They have only the man...
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Forum Posts
Resolved! netflow and different flow
Hi everybodyI am reading about netflow for my Tshot exam. I have few questions as to what we consider a unique flow in route cache ?H1-------ethernet----------R1.H1 --> 199.199.199.1R1----> 199.199.199.2.We configured following on R1:int f0/0 ( the ...
Currently Being Moderatedcisco router 1921 internet problem with vpn site to site connectionI have dsl connection from TE-data from 3com modem in 2 sites. and I have 2 cisco routers 1921 and there is a vpn site to site between them and the VPN connec...
Hello,I found the following scenarium:Our customer has on ots core switches two ospf processes running.One ospf process injects a default route. This default route should also redistributed into the other process. And therefore inject into te second ...
Resolved! Error in authentication on 3560 switch
Hi, forgive the rudimentary question, but here is the issue I am facing. I just got a brand new switch and was configuring this and somehow I am not able to get into this via telnet or console. I was hoping to get into ROMMON mode and just redo the...
If I'm upgrading dual redundant power supplies in a Catalyst 4507 from 1000W (data) to 1400W (data), can it be done without taking the switch through a power cycle? I'm guessing no as I read that the switch will not recognize a 1400W PSU in bay 2 if ...
Resolved! arp request every 90 sec on 6500
Hello,Has anyone an idea, why the Switch 6500 sends every 90 seconds a arp request? The cpu load is nearly 100% while this request occur.We haven’t any arp timer configured, we use the default timer 4 hr.- for all arp entry’s the switch will generate...
when i connect two cisco 2960 series switchs via stright trough cable causes delay in transmission sw1 has vlans and having trunk port connected to router all vlans are able to access internet sw2 is connected to vlan5 on switch1 sw2 has factory defa...
Resolved! 802.1x and Voice VLAN
Hi,I have a Cisco 6509 with IOS "s222-ipservicesk9_wan-mz.122-18.SXF16.bin"I need to enable dot1x on user's ports on the switch. each user is connected to the switch through the IP phone. I just found out that I can not enabled dot1x on trunk port. I...
Is there a way to prioritise traffic on a per vlan basis on a lately 2 trunk?Sent from Cisco Technical Support iPhone App
Hello While choosing a Hardware for Internet facing Device, should we choose Switch or a Router? If we are running BGP ro peer with ISP, are their any Pros and Cons for choosing a Switch to a Router? thanks
Experts, Is some packet loss on a campus network natural or should a network see no packet loss at all if properly configured? I'm asking because I performed a file transfer (900 Mb) from one host to another on the same switch (3750X), same VLAN with...
I have 2 switches C4506-E with SUP7-E, does anybody knows when Cisco will support the VSS functionality? I Have read that VSS will be supported in these switches and it be available Q32012, but Cisco has not confirmed when.Any idea could be useful.Th...
Hi I have a couple of these chassis in a lab and am trying now to reset them prior to puttin them in production. The are sup-7-E's and running IOS-XE 3.3.0.SG code. I have dual Sup's in each chassis.I am trying to get rid of the config and all the vl...
I have a 3845 router with a 45-meg DS3 (NM-1T3/E3 module). The DS3 connects into a MPLS cloud. There are encrypted IPSEC tunnels configured in the 3845 that go to various DMVPN hubs via nhrp. My customer has 2 active LAN ports o...
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