Hi all, I hope someone can help me with this. I have two switches, one master and one member (both Cisco 3750). One of them has died on me and needs replacing. Is it a case of simply copying the configuration of the working switch and applying it to ...
Forum Posts
I have 3 Cisco 3750 switches that are connected via trunk links to each other. When I do:ping 172.31.6.11sho arpon 1 of my switches it doesn't even show the ip and the coresponding mac-address. This particular host is physically plugged into port 1...
Hello, I am having a tough go at prioritizing multicast traffic on our office 3750 switches. We have a single 3750 connected to our main fiber ring switch which is marking all multicast traffic on our primary IPTV vlan (500) with a cos value of 5. On...
Resolved! 3750 24 - Noob question
Hi guys! I've a "brand new" 3750 24p switch to be the replacement of my ISP 4 port router that died a days ago. I'll try to brief a little each port is mented to work. PORT DSL - Goes to a Ubiquiti antenna with IP 192.168.20.1/24 no DHCP and it's m...
Resolved! Cisco 9410 from 6509 sup 720
Hi AllIn a nutshell, can anyone tell me basic performance benefits of upgrading from our current 6509 with sup 720 to a Cisco 9410 with sup 1xl.Also, how does the redundancy work with the new supervisors on the 9410, do they run SSO? and also if we h...
Resolved! Extended Vlans
I am attaching here one of my cisco 3550 "sh ver" and "sh vtp status" kindly let me know does this switch support extended vlan (upto 4094) RegardsMahesh
I have having issues saving a vlan switchport access configuration. It says it is a known issue but there is no viable solution. I have attached the error message in the attachment.
Buen día, Dentro de mi LAN se han presentado varios casos ya donde se deshabilita el adaptador Ethernet de los equipos finales (PC´s e impresoras marca RICOH) y/o presentan "acceso ilimitado", actualmente la configuración que tengo en los puertos d...
I've been noticing for a while now that there has been this message popping up in the logs of one of my routers, exactly once a minute stating the error: %IGMP-4-NO_INPUT: VRF xx: IGMP packet without input interface received from 123.123.123.123 for ...
Good day everyone! May I just ask for a solution for this problem. There was a time wherein an IP phone that had an incorrect IP address installed for a client. Apparently, the IP address that was supplied to the phone was already in use in the netwo...
Resolved! Catalyst 9300 as querier for IGMPv2
Dear all, Can the Catalyst 9300 act as a querier for IGMPv2? I´ve found a a lot of documentation reagarding IGMP snooping and not so much on querier for IGMPv2. BR Andreas
Hi, Following Cisco QoS book by Wendell Odom, I'm trying to mark packet for IP Phone 9971 with access list but don't get any match when a call is established. Running a SW2960. The configuration is as follow: access-list 100 permit udp any any range...
When I run "sh interfaces transceiver" on a 4500 it fails to display any details. SFP modules fitted are GLC-LH-SMD=. When swapped into a 3750X "sh interfaces transceiver" works fine. Anyone resolved this issue ? sh moduleChassis Type : WS-C4510R+EP...
Hi All,We are seeing this repeated in our router logs. Running Cisco 7606 with IOS 12.2(18)SXF11.Jul 20 13:12:35.045 AEST: %IPNAT-4-ADDR_ALLOC_FAILURE: Address allocation failed for 172.16.75.89, pool NAT-POOL might be exhaustedI googled it but it tu...
Resolved! SFPs not working
Hi All, I have a really bizarre problem. On one site we have a Cisco WS-C3750X-48P stack with C3KX-NM-10G modules and some SFP modules. Some are from Cisco (SFP-10G-SR) some are 3rd party. We are running software 15.2(4)E5. Everything works fine. ...
