Routing

Hello, I am looking for some help solving a problem with a Cisco 1921 and the Verizon 4G EHWIC card.  I have configured the router and it is working and was looking to add the 4G as a backup to the primary connection G0/0.  The cell interface is at C...

Hi, i have a 3640 router and was running with Nm-1E2W Network Module i have replaced it with NM-2FE2W-V2, this module is not getting detected by the router. below given is Version & Diag Information. Please advice.IOS (tm) 3600 Software (C3640-IO3S56...

Is it possible some internet nodes do no support the hop-by-hop option header of ICMPv6 packets? it seems hop-by-hop option headers are read by all nodes on the path. my problem is the following: my kaspersky antivirus KIS 2018 adds hop-by-hop option...

All SR4321/K9  have a continous logs , please advise is this issue with power supply or hardware or any fix ?   %ENVIRONMENTAL-1-ALERT: V: 12v, Location: R0, State: Warning, Reading: 13376 mV       Router#   sh environment allSensor List:  Environme...

Hi All I have set up a branch for IWAN, we are using Direct Internet access on the branch router and I have enabled Zone based Firewall. We seem to be running into an issue whereby some return traffic to the hub is being sent to the branch internet r...

Hi,I have configured an 2651xm router on a cat3550 (Router on a stick)See config of router below.Im unable to see the net on 1 of the sub interfaces fe 0/0.2. it does work on fe 0/0.4version 12.4service timestamps debug datetime msecservice timestamp...

Hi Allcan any1 help me regarding configuring VLAN on router.currently i am working on 2951 router of Cisco and i need to know how to configure a vlan on router and also change the native vlan.As by default vlan 1 is native vlan on router. Thanks

I am getting this error "%platform-3-element_critical: sip 0: smand: rp/0: committed memory value 96% exceeds warning level 95%" after 45 minutes of router power booting. One i get this message my router - ISR 4321 get hanged and not able to take acc...