Dynamic routing for VPN Failover L2L
Hello
Can someone offer me some advice on this please?
I have attached a simple diagram of our EXTENSIVE referral network.
Overview
- The firewall is ASA 5510 running 8.4 (9)
- Basic to the Headquarters network uses OSPF
- On ASA static routes are redistributed into OSPF
- On ASA for VPN static routes are redistributed into OSPF with 130 metric so redistributed BGP routes are preferred
- Basic network has a static route to 10.0.0.0/8 to Corporate WAN, which is redistributed into OSPF
- Branch Office WAN uses BGP - routes are redistributed into OSPF
- The branch routers using VRRP for redundancy of the IP for the default gateway of local customers.
- Branch router main past off VRRP IP to router backup when the WAN interface is down
- BO backup router (. 253) contains only a default route to the internet
- In normal operation, the traffic to and from BO uses Local Branch Office WAN
- If local BO WAN link fails, traffic to and from the BO uses IPSec VPN via public Internet
I try to configure dynamic routing on our network for when a branch switches to the IPsec VPN. What I want to happen (not sure if it is possible) is for the ASA announce the subnet to the remote end of the VPN in OSPF to Headquarters.
I managed to get this working using IPP, but for some reason any VPN stay up all the time when we are not in a failover scenario. This causes the ASA added the table as a static route is the remote subnet in it and do not use the announced route of OSPF from the core network. This prevents the BO customers access to the Internet. If I remove the IPP on the VPN setting, ASA learns the route to the subnet via the WAN BO - resumes normal operation.
I have configured the metric of the static routes that get redistributed into OSPF by ASA superior to 110. This is so that the routes redistributed by the WAN BO OSPF BGP, are preferred. The idea being that when the WAN link is again available, the routing changes automatically and the site fails to WAN BO.
I guess what I need to know is; This design is feasible, and if so where I'm going wrong?
Thank you
Paul
Hi Paul,.
your ASA maintains the tunnel alive only because this path exists on ASA. This is why you must use IP - SLA on ASA to push network taffic "10.10.10.0/24" based on the echo response, using the ALS-intellectual property
Please look at the example below, in the example below shows that the traffic flows through the tunnel, only if the ASA cannot reach the 10.10.10.0/24 network via the internal network of HQ.
This configuration illuminate ASA.
Route inside 10.10.10.0 255.255.2550 10.0.0.2 track 10
(assuming 10.0.0.2 ip peering from inside the ip address of the router to HO)
Route outside 10.10.10.0 255.255.255.0 xxx.xxx.xxx.xxx 254
(value of 254 is a more expensive route to go via IPSec tunnel and x = the bridge by default-ISP)
ALS 99 monitor
type echo protocol ipIcmpEcho 10.10.10.254 inside interface
NUM-package of 3
frequency 10
Annex monitor SLA 99 life never start-time now
track 10 rtr 99 accessibility
Let me know, if this can help.
Thank you
Rizwan James
Tags: Cisco Security
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(1) please let me know if IPP works on a Site in tunnel
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Good afternoon
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Advice of experts for this very important issue.
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Hello
We have the following scenario:
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Result of the command: "show running-config"
: Saved
:
ASA Version 8.2(5)
!
hostname ciscoasa
domain-name skiddle.internal
enable password xxx encrypted
passwd xxx encrypted
names
name 188.39.51.101 dev.skiddle.com description Dev External
name 192.168.2.201 dev.skiddle.internal description Internal Dev server
name 164.177.128.202 www-1.skiddle.com description Skiddle web server
name 192.168.2.200 Newserver
name 217.150.106.82 Holly
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
shutdown
!
interface Ethernet0/4
shutdown
!
interface Ethernet0/5
shutdown
!
interface Ethernet0/6
shutdown
!
interface Ethernet0/7
shutdown
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.2.254 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address 192.168.3.250 255.255.255.0
!
!
time-range Workingtime
periodic weekdays 9:00 to 18:00
!
ftp mode passive
clock timezone GMT/BST 0
clock summer-time GMT/BDT recurring last Sun Mar 1:00 last Sun Oct 2:00
dns domain-lookup inside
dns server-group DefaultDNS
name-server Newserver
domain-name skiddle.internal
same-security-traffic permit inter-interface
object-group service Mysql tcp
port-object eq 3306
object-group protocol TCPUDP
protocol-object udp
protocol-object tcp
object-group network rackspace-public-ips
description Rackspace Public IPs
network-object 164.177.132.16 255.255.255.252
network-object 164.177.132.72 255.255.255.252
network-object 212.64.147.184 255.255.255.248
network-object 164.177.128.200 255.255.255.252
object-group network Cuervo
description Test access for cuervo
network-object host Holly
object-group service DM_INLINE_TCP_1 tcp
port-object eq www
port-object eq https
object-group service DM_INLINE_TCP_2 tcp
port-object eq www
port-object eq https
object-group service DM_INLINE_TCP_3 tcp
port-object eq www
port-object eq https
object-group service DM_INLINE_TCP_4 tcp
port-object eq www
port-object eq https
access-list inside_access_in extended permit ip any any
access-list outside_access_in remark ENABLES Watermark Wifi ACCESS TO DEV SERVER!
access-list outside_access_in extended permit tcp 188.39.51.0 255.255.255.0 interface outside object-group DM_INLINE_TCP_4 time-range Workingtime
access-list outside_access_in remark ENABLES OUTSDIE ACCESS TO DEV SERVER!
access-list outside_access_in extended permit tcp any interface outside object-group DM_INLINE_TCP_3
access-list outside_access_in remark Public Skiddle Network > Dev server
access-list outside_access_in extended permit tcp 192.168.3.0 255.255.255.0 interface outside eq www
access-list outside_access_in extended permit tcp object-group rackspace-public-ips interface outside eq ssh
access-list outside_access_in remark OUTSIDE ACCESS TO DEV SERVER
access-list outside_access_in extended permit tcp object-group Cuervo interface outside object-group DM_INLINE_TCP_1 inactive
access-list outside_access_in extended permit tcp 192.168.3.0 255.255.255.0 host dev.skiddle.internal object-group DM_INLINE_TCP_2 inactive
access-list inside_access_in_1 remark HTTP OUT
access-list inside_access_in_1 extended permit tcp any any eq www
access-list inside_access_in_1 remark HTTPS OUT
access-list inside_access_in_1 extended permit tcp any any eq https
access-list inside_access_in_1 remark SSH OUT
access-list inside_access_in_1 extended permit tcp any any eq ssh
access-list inside_access_in_1 remark MYSQL OUT
access-list inside_access_in_1 extended permit tcp any host 164.177.128.200 object-group Mysql
access-list inside_access_in_1 remark SPHINX OUT
access-list inside_access_in_1 extended permit tcp any host 164.177.128.200 eq 3312
access-list inside_access_in_1 remark DNS OUT
access-list inside_access_in_1 extended permit object-group TCPUDP host Newserver any eq domain
access-list inside_access_in_1 remark PING OUT
access-list inside_access_in_1 extended permit icmp any any
access-list inside_access_in_1 remark Draytek Admin
access-list inside_access_in_1 extended permit tcp any 192.168.3.0 255.255.255.0 eq 4433
access-list inside_access_in_1 remark Phone System
access-list inside_access_in_1 extended permit tcp any 192.168.3.0 255.255.255.0 eq 35300 log disable
access-list inside_access_in_1 remark IPSEC VPN OUT
access-list inside_access_in_1 extended permit udp any host 94.236.41.227 eq 4500
access-list inside_access_in_1 remark IPSEC VPN OUT
access-list inside_access_in_1 extended permit udp any host 94.236.41.227 eq isakmp
access-list inside_access_in_1 remark Office to Rackspace OUT
access-list inside_access_in_1 extended permit ip 192.168.2.0 255.255.255.0 object-group rackspace-public-ips
access-list inside_access_in_1 remark IMAP OUT
access-list inside_access_in_1 extended permit tcp any any eq imap4
access-list inside_access_in_1 remark FTP OUT
access-list inside_access_in_1 extended permit tcp any any eq ftp
access-list inside_access_in_1 remark FTP DATA out
access-list inside_access_in_1 extended permit tcp any any eq ftp-data
access-list inside_access_in_1 remark SMTP Out
access-list inside_access_in_1 extended permit tcp any any eq smtp
access-list outside_1_cryptomap extended permit ip 192.168.2.0 255.255.255.0 object-group rackspace-public-ips
access-list inside_nat0_outbound extended permit ip 192.168.2.0 255.255.255.0 192.168.100.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 192.168.2.0 255.255.255.0 object-group rackspace-public-ips
access-list inside_nat0_outbound extended permit ip any 192.168.2.128 255.255.255.224
access-list inside_1_cryptomap extended permit ip 192.168.2.0 255.255.255.0 object-group rackspace-public-ips
access-list outside_1_cryptomap_1 extended permit tcp 192.168.2.0 255.255.255.0 object-group rackspace-public-ips eq ssh
access-list RACKSPACE-cryptomap_1 extended permit ip 192.168.2.0 255.255.255.0 object-group rackspace-public-ips
access-list RACKSPACE-TEST extended permit ip host 94.236.41.227 any
access-list RACKSPACE-TEST extended permit ip any host 94.236.41.227
access-list InternalForClientVPNSplitTunnel remark Inside for VPN
access-list InternalForClientVPNSplitTunnel standard permit 192.168.2.0 255.255.255.0
access-list InternalForClientVPNSplitTunnel remark Rackspace
access-list InternalForClientVPNSplitTunnel standard permit 164.177.128.200 255.255.255.252
access-list InternalForClientVPNSplitTunnel remark Rackspace
access-list InternalForClientVPNSplitTunnel standard permit 164.177.132.16 255.255.255.252
access-list InternalForClientVPNSplitTunnel remark Rackspace
access-list InternalForClientVPNSplitTunnel standard permit 164.177.132.72 255.255.255.252
access-list InternalForClientVPNSplitTunnel remark Rackspace
access-list InternalForClientVPNSplitTunnel standard permit 212.64.147.184 255.255.255.248
pager lines 24
logging enable
logging console debugging
logging monitor debugging
logging buffered debugging
logging trap debugging
logging asdm warnings
logging from-address [email protected]/* */
logging recipient-address [email protected]/* */ level errors
mtu inside 1500
mtu outside 1500
ip local pool CiscoVPNDHCPPool 192.168.2.130-192.168.2.149 mask 255.255.255.0
ip verify reverse-path interface inside
ip verify reverse-path interface outside
ipv6 access-list inside_access_ipv6_in permit tcp any any eq www
ipv6 access-list inside_access_ipv6_in permit tcp any any eq https
ipv6 access-list inside_access_ipv6_in permit tcp any any eq ssh
ipv6 access-list inside_access_ipv6_in permit icmp6 any any
icmp unreachable rate-limit 1 burst-size 1
icmp permit any outside
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
static (inside,outside) tcp interface www dev.skiddle.internal www netmask 255.255.255.255
static (inside,outside) tcp interface ssh dev.skiddle.internal ssh netmask 255.255.255.255
access-group inside_access_in in interface inside control-plane
access-group inside_access_in_1 in interface inside
access-group inside_access_ipv6_in in interface inside
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 192.168.3.254 10
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
aaa authentication telnet console LOCAL
aaa authentication enable console LOCAL
http server enable 4433
http 192.168.1.0 255.255.255.0 inside
http 192.168.2.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec security-association lifetime seconds 86400
crypto ipsec security-association lifetime kilobytes 4608000
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs group1
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ESP-3DES-MD5 ESP-DES-SHA ESP-DES-MD5
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set security-association lifetime seconds 28800
crypto map outside_map 1 match address RACKSPACE-cryptomap_1
crypto map outside_map 1 set pfs
crypto map outside_map 1 set peer 94.236.41.227
crypto map outside_map 1 set transform-set ESP-AES-128-SHA
crypto map outside_map 1 set security-association lifetime seconds 86400
crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map outside_map interface outside
crypto ca trustpoint _SmartCallHome_ServerCA
crl configure
crypto ca certificate chain _SmartCallHome_ServerCA
certificate ca xxx
quit
crypto isakmp enable outside
crypto isakmp policy 10
authentication crack
encryption aes-256
hash sha
group 2
lifetime 86400
crypto isakmp policy 20
authentication rsa-sig
encryption aes-256
hash sha
group 2
lifetime 86400
crypto isakmp policy 30
authentication pre-share
encryption aes-256
hash sha
group 2
lifetime 86400
crypto isakmp policy 40
authentication crack
encryption aes-192
hash sha
group 2
lifetime 86400
crypto isakmp policy 50
authentication rsa-sig
encryption aes-192
hash sha
group 2
lifetime 86400
crypto isakmp policy 60
authentication pre-share
encryption aes-192
hash sha
group 2
lifetime 86400
crypto isakmp policy 70
authentication crack
encryption aes
hash sha
group 2
lifetime 86400
crypto isakmp policy 80
authentication rsa-sig
encryption aes
hash sha
group 2
lifetime 86400
crypto isakmp policy 90
authentication pre-share
encryption aes
hash sha
group 2
lifetime 86400
crypto isakmp policy 100
authentication crack
encryption 3des
hash sha
group 2
lifetime 86400
crypto isakmp policy 110
authentication rsa-sig
encryption 3des
hash sha
group 2
lifetime 86400
crypto isakmp policy 120
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
crypto isakmp policy 130
authentication crack
encryption des
hash sha
group 2
lifetime 86400
crypto isakmp policy 140
authentication rsa-sig
encryption des
hash sha
group 2
lifetime 86400
crypto isakmp policy 150
authentication pre-share
encryption des
hash sha
group 2
lifetime 86400
telnet 192.168.1.0 255.255.255.0 inside
telnet 192.168.2.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
dhcprelay server 192.68.2.200 inside
threat-detection basic-threat
threat-detection scanning-threat
threat-detection statistics host
threat-detection statistics access-list
threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200
ntp server 194.35.252.7 source outside prefer
webvpn
port 444
svc image disk0:/anyconnect-macosx-i386-2.4.1012-k9.pkg 1 regex "Intel Mac OS X"
group-policy DfltGrpPolicy attributes
vpn-tunnel-protocol IPSec webvpn
group-policy skiddlevpn internal
group-policy skiddlevpn attributes
dns-server value 192.168.2.200
vpn-tunnel-protocol IPSec l2tp-ipsec
split-tunnel-policy tunnelspecified
split-tunnel-network-list value InternalForClientVPNSplitTunnel
default-domain value skiddle.internal
username bensebborn password *** encrypted privilege 0
username bensebborn attributes
vpn-group-policy skiddlevpn
username benseb password gXdOhaMts7w/KavS encrypted privilege 15
tunnel-group 94.236.41.227 type ipsec-l2l
tunnel-group 94.236.41.227 ipsec-attributes
pre-shared-key *****
tunnel-group skiddlevpn type remote-access
tunnel-group skiddlevpn general-attributes
address-pool CiscoVPNDHCPPool
default-group-policy skiddlevpn
tunnel-group skiddlevpn ipsec-attributes
pre-shared-key *****
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum client auto
message-length maximum 512
policy-map global_policy
class inspection_default
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
inspect ip-options
policy-map global-policy
class inspection_default
inspect icmp
inspect icmp error
inspect ipsec-pass-thru
inspect ftp
!
service-policy global_policy global
smtp-server 164.177.128.203
prompt hostname context
call-home reporting anonymous
Cryptochecksum:6c2eb43fa1150f9a5bb178c716d8fe2b
: end
You must even-Security-enabled traffic intra-interface to allow communication between vpn VPN.
With respect,
Safwan
Remember messages useful rate.
-
PIX and ASA static, dynamic and RA VPN does not
Hello
I am facing a very interesting problem between a PIX 515 and an ASA 5510.
The PIX is in HQ and has several dynamic VPN connections (around 130) and IPsec vpn remote works very well. I had to add a PIX to ASA L2L VPN static and it does not work as it is supposed to be. The ASA 5510, at the remote end, connects and rest for a small period of time, however, all other VPN connections stop working.
The most interesting thing is that ASA is associated with the dynamic map and not the static map that I created (check by sh crypto ipsec his counterpart x.x.x.x). However, if I make any changes in the ACL 'ACL-Remote' it affects the tunnel between the PIX and ASA.
Someone saw something like that?
Here is more detailed information:
HQ - IOS 8.0 (3) - PIX 515
ASA 5510 - IOS 7.2 (3) - remote provider
Several Huawei and Cisco routers dynamically connected via ADSL
Several users remote access IPsec
A VPN site-to site static between PIX and ASA - does not.
Here is the config on the PIX:
Crypto ipsec transform-set ESP-3DES-ESP-SHA-HMAC-IPSec esp-3des esp-sha-hmac
Dyn - VPN game 100 Dynamics-card crypto transform-set ESP-3DES-ESP-SHA-HMAC-IPSec
Crypto dynamic-map Dyn - VPN 100 the value reverse-road
VPN - card 30 crypto card matches the ACL address / remote
card crypto VPN-card 30 peers set 20 x. XX. XX. XX
card crypto VPN-card 30 the transform-set ESP-3DES-ESP-SHA-HMAC-IPSec value
VPN crypto card - 100 - isakmp dynamic Dyn - VPN ipsec
interface card crypto VPN-card outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
md5 hash
Group 2
life 86400
crypto ISAKMP policy 65535
preshared authentication
3des encryption
sha hash
Group 2
life 86400
access list ACL-remote ext ip 10.0.0.0 allow 255.255.255.0 192.168.1.0 255.255.255.0
Thank you.
Marcelo Pinheiro
The problem is that the ASA has a crypto acl defined between host and network, while the remote end has to the network.
Make sure that the acl is reversed.
-
PIX515 &; dynamic routing
Central office:
LAN - 10.20.0.0 255.255.255.0
PIX 515 - int branches - branches (through the cloud of MPLS VPN)
internal int - LAN
int outdoors - WAN
Branch:
LAN - 10.20.16.0.255.255.255.0
C1760 - int s0/0 - Central officr (through the cloud of MPLS VPN)
PIX501 - int outdoors - WAN
internal int - LAN
The PIX515, I had a static route to the path to service-
Route of the branches 10.20.16.0 255.255.255.0 192.168.16.1 1
I want up VPN channel between PIX501 (int outside) of the Executive Board and the Central PIX515(int outside).
To do this, I created card crypto to PIX515 and ACL:
outside_crypto_map_10 ip 10.20.0.0 access list allow 255.255.255.0 10.20.16.0 255.255.255.0
card crypto 10 TEST matches the address outside_crypto_map_10
Here my question: I want to remove static route of PIX515 and use dynamic routing, but I hesitated because I have ACLs for VPN, where branch destination LAN (and will serve as an int on the outside) and dynamic road that shows the way to the domestic LAN through branches int PIX515. How this will be live together? And what will be used first - road or ACL?
The PIX can run RIP and OSPF today, but not those of a VPN. If you want to learn routes dynamically through the VPN you can do that, so you need to use static routes instead. Looks like you might be interested by the DMVPN function in IOS routers.
Routing, regarding all the traffic that you want to use a VPN must first be routed on an interface that has the appropriate encryption card applied, then if this traffic matches an ACL encryption card it will be encrypted and sent to the corresponding VPN peer. That's to say routing goes first for the outbound VPN traffic, then encryption. No matter if channels are static or learned dynamically, except, as I mentioned above, you can now run a routing through a VPN Protocol in the PIX.
Does that help?
-
I do a search in the search of the best solution for switching between two ASA and hoped that someone wants to point me in the right direction.
The situation is this, we got:
-Head Office 2:
Each is equipped with an ASA 5505
-10 branches
Each is equipped with a 887 integrated services router.
Each is BranchOffice must have a redundant VPN connection at the headquarters of these two, and they all need to use the first person as main and the other in high school. In case of failure, all branches need to use the second connection VPN going the second seat.
In my research, I'm looking for the best possible solution, with faster failover, but have no idea where to start my research.
I hope someone has a good answer for this one.
Thank you very much in advance,
Kind regards
Dwayne
I do not understand why people continue to use ASA devices for VPN endpoint. the ASA is NOT designed for complex VPN scenarios. It is designed for simple scenarios. In terms of VPN by using comparison, ASA is a person with a basic education while Cisco IOS is like a person with a college degree.
For the scenario, you will be much better using Cisco IOS routers everywhere, where you can implement the GRE/IPSec or DMVPN. Both cases will be sastify to your needs.
-
In the case where we have 2 routers each with a WAN link provided by the only ISP we can configure HSRP with SSO for the classical solutions IPSEC failover. But in a case where there are 2 routers but differ from the WAN links (services provider) we will not be able to use HSRP because the IP (subnet) will be different and assign a virtual ip address that is impossible.
In this case, this type of the best possible solution for the recovery of link to function? ASIT with cryptographic cards? because in this case we can do 2 tunnels each with different source and IPSLA or dynamic routing routes of change for a failover.
If you want to route based on the source IP address that some sources are going through the tunnel and not others?
That could be solved with the policy based routing.
--
Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
http://www.Kiva.org/invitedBy/karsteni -
Please help to configure the router for internet connection 871W!
Hello world!
I just started styding for CCNA, so I'm totally new to Cisco stuff. Recently bought a router 871W and spent two days in a row trying to configure internet connection with no luck! I use the port console for the configs and SDM/CCP. Would be greateful if someone could tell me how to do simple configs of internet connection. I googled everything but it's still confusing. I can't assing all-IP ports FA 0-3. I used instead of the VLAN. But all tutorials use FA0 and when I try to assign an IP address to FA0 it gives me some L2 cannot be assigned or something... :/ And I am also confused at what address IP use for WAN.
I connected the cable between the Modem and the LAN of the PC port and copied some IP addresses which I think I have to use to configure the router for internet connection. And here they are:
ISP IP: 76.114.54.255
SUBNET: 255.255.248.0
GATEWAY: 76.114.48.1
DHCP: 69.252.97.4
DNS: 75.75.75.75
75.75.76.76
If you can, please help! Thank you!
Hi david,
Looks like your 871w can not get a dynamic IP address: % unknown DHCP problem... No possible allocation
you could ask your ISP to perform a reset/clear MAC add and try again?
also, kindly post lastest "show run".
Edit: just to see you've updated your screenshot. could you add command under 4
Mac-add 0001.4af9.8b83
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