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Forum Posts
Hey guys, I'm trying to setup an MPLS L3 using GNS3 and C3745E routers. Everything is up, BGP neighbors are up and running, routes are propaganded. Problem is, when I try to trace a ping from one end of the customer to the other end, it doesn't w...
Hi all - having difficulty in getting TACACS to authorise logins from HTTP. I have configured TACACS using the new commands, which has worked fine for CLI logins since day 1. I assumed that in order to enable the same authentication methods for the...
Hi, Got this log entry, repeated many times: connectivity between access switches (2950) Firewall (HA) active/passive .pls find attached file .Nov 29 22:: %SW_MATM-4-MACFLAP_NOTIF: Host xxx9.xx09.0003 in vlan 2 is flapping between port G...
I have a problem. I'm doing a small lab for the courses. I need to create 4 DHCP pools for 4 VLAN's on Router0. And then to configure DHCP-relay agent on Router1, so PC's in VLAN 300 and 400 could recieve IP addresses from DHCP pools.That's what I've...
Hi masters,This is my discussion hope you can help, that my thanks in advance.I have one problem, there are flaws in our call, and about one second you can't hear or be heard.we are Analise this mater with the team of voice, but I 'm try to make sure...
Resolved! POE Question for WS-C3650-48PS
FAQ document for Cisco Catalyst 3650 Series Switches indicates for all POE PID's on this model full poe is attainable either by 2 power 640VAC supplies or one large 1025 VAC. Q. Can the PoE budget of Cisco Catalyst 3650 switch be increased by repla...
What happens if STP is enabled in a switch but there is no loop? Eg. Consider that I have two computers, 2 L2 switch and 2 Routers 1. PC1--> L2 Switch 1--> Router 1 [192.168.1.2/25]--> Router 2 [192.168.2.1/26]--> L2 Switch 2--> PC2 2. Both the swi...
Hello everyone, Scenario: Two Cisco ASA 5555X's. Identical hardware. Identical configs. Last night I swapped the network cabling from one ASA to the other. All IP's/conifg were identical. Two switches would not change their arp table to a...
Hi, I have a strange issue. at the main office i have 2 3850-48XS-S with VSS stack and at the remote offic 2 3850-12XS-S cross-stack. i want to activated a port-channel between these two stack. when i desactivated one link for tested, it's ok but whe...
Resolved! Nexus 7000 Arp age probem
Hi all,I wish that some one can give an explanation for this issue. The issue is I have in my data center a two Nexus 7009 as a distribution (Aggregation) layer, which have a HSRP L3 VLAN, and I noticed that the arp cache entries have an age less tha...
Hello everybody, Please I have a SG500-52port managed switch and I'm trying to add a custom SmartPort roles and set these customs to gi1/x ports. I've done creating custom Smartport roles but I see errors when try to attempt this to gi1/x ports a...
Ten PCs (1 to 10) are connected to the switch. 1. PC1's ARP Aging Time < SW's MAC ADD Aging Time -> PC1 sends a ARP request and SW floods that packet. 2. PC1's ARP Aging Time > SW's MAC ADD Aging Time -> PC1 sends a unicast packet. Since SW doesn't k...
Hi, I am trying to configure encapsulation dot1q but unable to do that in 3850 core switch. 3850#conf tEnter configuration commands, one per line. End with CNTL/Z.3850(config)#int gi2/0/13850(config-if)#swi3850(config-if)#switchport tru3850(config...
Hello, Can we able to bind ethernet OAM & CFM ?
Does anyone know why I can't get RouterA to broadcast 192.168.0.0 through RIP? I set it up on RouterB and RouterC and both those networks can ping each other but neither of them can ping RouterA's network. When I do show ip router on A, it doesn't s...
