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MHSRP and Nat Redundancy

I have a pair of 4451-X routers (XE 3S) running MHSRP on a "nat inside" interface - each is active for its own group and standby for the other's group.Each router has two "nat outside" interfaces each running a single HSRP group, and one of the route...

Resolved! Question about etherchannel load balancing

Hi fellow forum members. In one of my networks I use etherchannel between my access layer (mainly 3750s) and distribution layer (6500).  Right now I am using a load-balance method of src-mac, and I'd like to switch to src-dst-ip. When I make the chan...

What am I missing here?????

Please help me!! I am working on a Catalyst 3560 IOS 15.0(2) SE I have my switch with a couple of  VLANs and routing enabled, but my switch doesn't seem to route... Desription: VLAN 10VLAN interface 10.190.1.3/24 VLAN 20VLAN interface 192.168.20.1/24...

Cisco 4506 switch in Err-disable mode

    I have a Cisco 4506 switch and its 10 gig interface is in error disable mode.I tried Shut and no shut the port couple of times but it transits from up to down number of times and then to error-disable. Did anyone else encountered this issue befor...

Cisco Networking Router Configuration Help

I have two networks. 10.22.227.X the 227 network has the internet connection on it, I also have 10.22.226.X Network as of right now this network has no internet.You can see the current configuration file here http://jpst.it/yTurAs of right now i can ...

Firewall in Transparent Mode

Hi,I am designing a small data center with ASA5512-IPS firewall.The configuration is like: ISP--->2921 Router--->5512 Firewall--->4503 Core--->2960 AccessI am confused about connecting firewall in routed or transparent mode. Will transparent mode wor...

Resolved! ARP Table and MAC Address Table Lookups for Packet Forwarding Over a Routed Link

Hi guys - I have a network setup that I'm a bit confused about - it has to do with packet forwarding over a routed link.Here's the scenario:TopologyR1 (Gi2/17 IP:192.168.74.129/30) <------------> R2 (Gi2/1/1 IP:192.168.74.130/30)# Routed link between...

Resolved! IPSec overhead

Hi AllI need some help trying to figure out the IPsec overhead in ESP Tunnel mode.Scanning the internet makes me believe the overhead must be between 51 - 58 bytesWhen testing this in Wireshark makes my head spin.R1 --- R2 --- R3-- R4  (IPsec tunnel ...

Bruin2781 by • Level 1
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3725 unknown port adapter 8T1-IMA

I'm running a 3725 with Cisco IOS Software, 3700 Software (C3725-IPBASE-M), Version 12.4(25d), RELEASE SOFTWARE (fc1) Cisco 3725 (R7000) processor (revision 0.1) with 244736K/17408K bytes of memory. R7000 CPU at 240MHz, Implementation 39, Rev 3.3, ...

Cisco IOS - RFC 6187 support

I just found out Cisco has introduced support for RFC 1687 in IOS 15.2(2) however I cannot find ANY ssh client implementations that support it. As I am working on a major project to revamp and secure my organizations router and switch authentication ...

Trouble with SNMP contexts in IOS

I'm trying to configure contexts for various VRF's in a router (specifically testing on a 2811 running IOS 15.1.4).  My understanding is that for SNMPv2c, the contexts should be available by polling the device with <community>@<context>, confirmed by...

Resolved! OSPF-4-NOVALIDKEY

I have a cisco router   isr4300 runningCisco IOS XE Software, Version 03.13.02.S - Extended Support ReleaseCisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.4(3)S2, RELEASE SOFTWARE (fc3)getting this error on all interfac...

mabeita by • Level 1
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  • 1 replies
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