Switching

Hi,I have Cisco WS-C4510R+E with sup WS-X45-SUP7-E. IOS version on this switch is cat4500e-universal.SPA.03.04.05.SG.151-2.SG5.bin . Enterprises license is permanently installed on switch. I have configured VSS on this but i am not able to configure ...

Hi, I've configured a cisco 1921 router with sub interfaces, the router is configured for DHCP.  The trunk port I've enabled the DHCP snooping on is the port the router sub interfaces connect to.  I'm just wondering is this technically possible? Swit...

Hi All, am i right when i say a Catalyst 3750-X and 3560-X is a layer 3 switch that will allow me to apply one access-list inbound and one  outbound at the same time per vlan Many Thanks

Hy,Please help with the following config:Site ASW 3850 ip routingvlan1 (data) 10.35.247.248/24vlan20 (voice) 10.35.249.248/24vlan30 (thin clients) 10.35.248.248/24vlan60 10.35.246.248vlan80 videoint gi1/0/47 + gi1/0/48 HSRP GW ip route 0.0.0.0 0.0.0....

Dear all I need to block port 5061 TCP for a number of users.When i want to do this in a 2960 switch and i want to apply it gives the error  %ERROR: Port-based ACLs are not supported with this image my ACL is:access-list 100 deny tcp any any eq 5061a...

Hi, I have three vlans that would like to configure not to access each vlan users to other. VLan 116-117 users can't access to vlan 118 and vice versa.Can you help me build the configs. Here is the config i am working. I am still creating vlan access...

Cisco Nexus 9000 series are very new and very little information available. Can anyone confirm if Nexus 9000 are Trustsec enabled?

I am wondering whether there is any planned compatibility for the 3850 switch to accept the 10Gb side of the 40->10Gb breakout cables. The compatibility sheet doesn't list it right now.

pmtu is 1472. I am sending ping without -M option(ping -s 2000 104.130.2.3). The first packet, expectedly gives me "need to frag" error. The echo reply for second packet has this:10:44:32.424610 00:00:5e:00:01:00 > 02:1e:4f:09:a6:8e, ethertype IPv4 (...

HiDoes anyone know if the CWDM optics are supported on the 3850-12S or 3850-24S switches (i.e. 12 or 24 SFP ports) - on the fixed SFP ports? On the SFP compatibility matrix it only lists compatibility for the C3850-NM-4-1G module. It looks like the c...

Hello guys, I have 2 lines below on my Cisco router, I just wanted to confirmthat i understand it right. ip route 0.0.0.0/0 10.10.1.5 10ip route 0.0.0.0/0 10.10.2.5 20 if my traffic hit this router then its outbound next hop would be 10.10.2.5 as tha...

Has anyone experienced issues with a dual 5500 nexus chassis during nx-os upgrades ? (VPC, dual nics for servers & all fancy stuffs)... when upgrading to 7.0(1) - we had issues with the first switch losing its config (FEX interfaces etc) - which poin...

Hi,   I am experiencing a strange behaviour in configuring a 40GigE Link between two Nexus 7009 Eth6/1 and Eth9/2; both sides have a N7K-M2206FQ-23L Module; I am using a QSFP-40GE-LR4 Optic on both sides. The Operting system is 6.2(6) on both sides. ...