I have this log message on a WS-C3850-48P running 03.03.04SE%IOSXE-3-PLATFORM: STANDBY:2 process kernel: ERROR L2C_TADX_INT(0)[L2DSBE]: Data Single-Bit Error %IOSXE-3-PLATFORM: STANDBY:2 process kernel: ERROR CVMX_L2C_ERR_TDT: 0x4230000000185002Any i...
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Hi guys, I have on my C3850 something weird ... All my line vty are use by an unknow machine (screenshot below) I tried some command like "clear line vty" or "clear tcp bcp ###" etc, but this machine (192.168.1.2) still open telnet connection between...
Hi, During a maintenance window at a customer I upgraded the root priority on some core switches in different networks in order to make room to add additional new core-switches (N7K) in the near future which will replace the old core (cat6500/cat45...
Hi, The below said access lists are enough to protect the outside interface in ASA 5525X ? access-list outside line 36 extended deny tcp any any (hitcnt=846) 0x2a966e57access-list outside line 37 extended deny udp any any (hitcnt=260) 0x6c301697a...
Resolved! HSRP, NAT, and ARP
I'm battling an interesting issue on a pair of 7206 NPE-G1 routers running 15.0(1)M9. I've not tried doing active/standby gateways before where static NAT was involved, but I *think* I understand it as applied here.The routers involved have HSRP on ...
Is there any analog of command "show mls qos dscp-output-q" in mqc environment? I want to understand where every dscp will go. I just know that 32, 48, 54 will go to queue 0
We just started working with Cisco routers and switches in our learning lab. (school) We want to get a 2811 Router to do something simple. Just route two private networks 192.168.1.1/24 and 192.168.2.1/24 Our script runs in Packettracer 7.1 but not ...
I'm doing a small lab. I need to make DHCP pools for VLAN's on Router1 and configure DHCP-relay agent on Router1 so PC's from VLAN 300 and 400 could recieve addresses from pools in Router0. I made the pools, but I'm really confused about configuring ...
Hi to all, Does Cisco can confirm me that the SFP module with the following SN are genuine SFP module please ? - FNS1529029F - FNS1639036A - AGJ1814R4Y0 (or AGJ1814R4YO) Best Regards. Many thanks.
Hello I am trying to config router(1941 or 2811) with RIP summary address But its showing me error in syntax Just created new router object and typing interface Serial0/1/0 ip add 172.16.1.1 255.255.255.0 ip summary-address rip 172.16.1.0 255.255.2...
HI EVERY BODY I NEED HELP first apologize for my bad english i have server hp dl360p with sfp network adpter and my switch zmc 10/100 i need connect server with GLC-t with rj45 cable to my swith but not working when I connect straight up the ca...
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...
