Cisco WAN :: 3945 - Maximum Amount Of HSRP / Standby Groups Supported
Sep 22, 2011I am trying to find out what the maximum amount of HSRP/Standby groups a Cisco 3945 will support. I found this link that I think says 256 URL.
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Cisco WAN :: HSRP On 3945 ISR With WLC Module
Mar 7, 2012We want to implement HSRP between two 3945 ISRs:
RouterModelIOSModuleR1Cisco 3945 Integrated Service
Routerc3900-universalk9-mz.SPA.151-1.T.binNME-AIR-WLC12-K9
R2Cisco 3945 Integrated Service
Routerc3900-universalk9-mz.SPA.151-4.M1.binNME-AIR-WLC25-K9
The issue that we are experimenting is that, although the module's interfaces are up and HSRP in correctly configured, the show standby summary displays that the Active router is local in both routers. We also have some GigabitEthernet in the routers and they are correctly running HSRP. Does the WLC Modules physically support HSRP?
Cisco Switching/Routing :: 3945 - License To Run HSRP?
May 20, 2013if the Cisco 3945 router requires any license for it to run HSRP. Also advise which IOS runs HSRP on the 3845 router.
View 3 Replies View RelatedCisco WAN :: 3845 HSRP With Multiple Interfaces / Groups
Jan 24, 2011I have 2 routers ( Cisco 3845's) both running identical IOS's. Each router has identical 5 networks on it with one network each being different.I have HSRP set up on the identical 5 networks.Your standard Fail over senario.ON one of the routers one network is not seeing the other router in the same network, Will not Ping or traceroute.And HSRP stopped working ( both were thinking they were active. which of course brought the network to a halt. Non of the interfaces has any ACL on them, They are plugged into a Brand new Cisco 3560v2 switch. I have switches out the cables to eliminate that as an issues.
View 1 Replies View RelatedCisco Switching/Routing :: 3750 - Platform Does Not Support More Than 32 HSRP Groups?
May 6, 2012I got the error in object when I try to add a new HSRP group in new vlan.All the HSRP group has the same HSRP group the 2.another way to provide clients's default gateway redundancy for each Vlan intead to use the HSRP?
View 4 Replies View RelatedCisco Switching/Routing :: 3750 / 3560 / Hsrp Groups Using The Same Group Number?
Nov 24, 2010I understand on older IOS codes If the same hsrp group number is assigned to multiple standby groups, it creates a non-unique MAC address. Is this true on newer codes like 12.2(52)SE for 3750 & 3560?
View 4 Replies View RelatedCisco WAN :: ASR 1002 And HSRP Not Supported?
Dec 6, 2011I have a pair of physical ASR 1002 routers, called ASR-1 and ASR-2. I setup HSRP on both ASR-1 and ASR-2 on both g0/0/0 and g0/0/1 interfaces, nothing complicated, just straight forward HSRP.
Now Cisco TAC told me that HSRP is NOT supported between physical ASR routers. WTF!
Furthermore, they told me that HSRP only supported within a single ASR because of multiple routed processors. In other words, you can setup HSRP with a single physical ASR but not with two physical ASR routers.
HSRP can not supported with two physical ASR routers?
Cisco Switching/Routing :: ACL Behaviour On HSRP 6500 Standby SVI
Jan 19, 2012I have been reading several posts in this forum to try to understand ACL behaviour on a standby HSRP 6500, I would be glad to get this cleared.I have two 6509 running HSRP for all Vlans...I created VLAN 100 with standby ip address 192.168.1.129 255.255.255.128
Active 6509 (SW01) ip is 192.168.1.130/25, priority 120
Standby 6509 (SW02) ip is 192.168.1.131/25
I have created a DHCP server on the standby 6509 only on the same VLAN 100 with a defaul router of 192.168.1.129 (i.e. the hsrp vip). I connected a pc directly to the ethernet port on the standby 6509 and put it under VLAN 100 and it obtained its ip 192.168.1.200 from the ios dhcp.Now I want to restrict this PC (and any other on its subnet) to access only a remote server 172.168.10.10 and nothing else. I have created the following access list, allowing traffic to the remote server, ospf and hsrp updates,ios dhcp...
Extended IP access list SWRES
10 permit ospf any any log (172 matches)
20 permit ip any host 172.168.10.10
30 permit ip any host 224.0.0.2
40 permit udp any host 255.255.255.255 eq bootpc
50 deny ip any any log (52 matches)
I have applied this ACL on both the 6509s under interface VLAN 100 ip access-group SWRES in
1. When I ping different subnets on the 6509s from the PC, I still receive icmp replies although I expected the acl to pass traffic destined for the remote server only. I do get deny log messages on the Active 6509, but not on the standby 6509 where the PC is connected.
2. Is permitting bootpc in the acl enough for IOS DHCP server and client operation? Do i need to explicitly permit access to the defaul-router configured in the DHCP, which happens to be the VLAN 100 gateway ip and hsrp vip as well (192.168.1.129)
3. I do get deny logs on both the 6509s from the PC trying to access the local VLAN 100 broadcast address on ports 137, 138.
%SEC-6-IPACCESSLOGP: list SWRES denied udp 192.168.1.200(137) -> 192.168.1.255(137)
Cisco Switching/Routing :: 4506 HSRP Active To Standby And ARP Impact
Mar 4, 2013I am running HSRP on three 4506 switches..S1(active) S2( standby) and S3(listen)..S1 is active for all the vlansRight now, I wanted to make S3 active for two vlans: vlan 10 and 19What would be the impact to the end hosts?Also, can you tell me why the arp is not syncing for all the three devices? [code]
View 4 Replies View RelatedCisco Switching/Routing :: 6509 - HSRP Standby Address Not Reachable
Jun 11, 2013I have my hsp setup where switch A and switch B share active/standby roles among several vlans. In the last few weeks, i have seen trouble tickets where connectivity is lost and upon investigation i discover that i can ping physical interface IP addresses for both standby and active devices but not the standby IP. I have also validated configurations and layer 2 paths and they haven't been broken.
What I end up doing is failover to the standby device and back and the problem clears, reachability is restored. My question is whether I am solving this the right way. If so, what is it that would cause the standby IP to not be reachable and how does my solution fix that? N/B the switches are catalyst 6509's.
Cisco Switching/Routing :: Nexus 7000 - HSRP Active / Standby?
Dec 16, 2011I am working on two Nexus 7010 with 5.1.5 NX-OS version. I configure HSRP traditionnaly, Nexus 1 with a priority of 200 and Nexus 2 with a priority of 100 for all vlan.
When I change the priority of a vlan to 200 to 50 for example, Nexus 2 become active and Nexus 1 standby. The problem is that when I do a traceroute from a PC the packet take the Nexus 1 as defaut gateway all the time.....
For information I have a peer link between the 2 Nexus for vPC.
Cisco Switching/Routing :: Maximum Group Of HSRP That Supports WS-C3750G-24T-S
May 4, 2011What is the maximum group of HSRP Group that supports the WS-C3750G-24T-S running the IOS c3750-advipservicesk9-mz.122-44.SE2.bin?I have this message:Mensaje ERROR: %Platform already has maximum FHRP groups configured
View 6 Replies View RelatedCisco Switching/Routing :: Possibility For Nexus 7000 To Be HSRP Active Standby In Data
Nov 20, 2012Normally when we do HSRP with vPC on N7K the device will be Active/Standby in control plane but it will be Active/Active in data plane. In this case any traffic reach to standby device it can forward traffic directly to uplink which is not my desire. My goal is all traffic should pass through active (control plane) device in every case unless active device totally dead. So Is it possible for Nexus 7000 to be HSRP Active/Standby in Data Plane ?
View 4 Replies View RelatedCisco Switching/Routing :: 3550 - Unable To Ping Internet From HSRP Standby Switch
Nov 16, 2011I have router connected to 2 3550 switches directly. 3550A and B switches are running HSRP. OSPF is running between Router and 2 switches.
From Switch B i can ping the Router Wan interface but not the internet sites. from Switch A i can ping any sites?
Switch B
3550SMIB# sh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1
[Code]......
Cisco Switching/Routing :: 4948 E HSRP Connect Devices To Standby Unit That Do Not Require Redundancy
Jul 29, 2012If I setup 4948E's in HSRP configuration. And I connect devices to the Standby Unit that do not require redundancy. Will there be any issues passing traffic? I don't believe that standby unit blocks the traffic but wanted to confirm.
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Jun 14, 2012How maximum channel-group supported by VWIC2 1MFT G.703? And the CISCO1941/K9 ?
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Dec 12, 2011I created some User Defined Groups in LMS 4.1, now I want to apply certain fault notification groups to Event Sets.
Unfortunately the Groups I configured are not in the Group Selector of the Fault Notification Group: Admin > Network > Notification and Action Settings > Fault Notification Group
Cisco Firewall :: ASA 5520 8.0(5) Write Standby Causes Standby Interface Down / Up
Sep 22, 2011last night I started upgrading our ASA5520 active/standby cluster. Because of lack of memory, I stopped the upgrade process and will continue when the memory modules have arrived... Currently I'm running 8.0(5) on both nodes (Version: Ours 8.0(5), Mate 8.0(5))Whenever I use the "write standby" command on the active ASA, the passive ASA seems to drop it links for a short while. [code]
View 4 Replies View RelatedCisco Wireless :: 5508 Assign Single Ssid To Multiple Interface Groups By Assigning Ssid To Multiple AP Groups
Aug 26, 2012Is it possible to assign a single ssid to multiple interface groups by assigning the ssid to multiple AP groups?
I have buildings geographically dispersed that are configured with multiple vlans in interface groups so that I can maintain an addressing scheme of dhcp assigned addresses per building. Each building is also further grouped as AP groups. I'd like to know if by assigning the same wlan ssid to each of the AP groups, will I maintain addressing integrity for each building? I'm thinking it will work.
Do the buildings have to be outside AP range of each other to avoid problems?
5508 controller
7.2.110.0 code
6 buildings
6 interface groups
1 ssid
Cisco :: 5508 WLC - Max Amount Of APs It Supports
Apr 11, 2011the max amount of AP's one 5508 WLC can support ?
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