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Solved
Why is my ASA 5505 upload speed so slow?
Posted on 2013-10-30
I got new 100Mb up/down service today from my internet provider. Downloads clock in from any number of speedtests at 90+ Mb, so Im thrilled with that.
When I do the upload test though my speeds are WAY below acceptable - 15 Mbs or so.
Looking at ADSM CPU and memory do not look to be being taxed (10% CPU and 67% free memory)
What should I be looking for here?
If we do the speed tests with the ASA out of the equation I get the 100/100 speeds Im paying for.
When I do the upload test though my speeds are WAY below acceptable - 15 Mbs or so.
Looking at ADSM CPU and memory do not look to be being taxed (10% CPU and 67% free memory)
What should I be looking for here?
If we do the speed tests with the ASA out of the equation I get the 100/100 speeds Im paying for.
ASA Version 8.2(5)
!
hostname myhost
domain-name mydomain.com
names
name 192.168.19.0 My-CO-Home
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.19.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address x.x.x.220 255.255.255.0
!
ftp mode passive
clock timezone MST -7
clock summer-time MDT recurring
dns server-group DefaultDNS
domain-name mydomain.com
same-security-traffic permit intra-interface
object-group network HQ_Sites
network-object 192.168.0.0 255.255.252.0
network-object 192.168.250.0 255.255.255.0
network-object 192.168.254.0 255.255.255.0
network-object 10.1.8.0 255.255.255.0
object-group network ExtSites
description All the External Sites within the extended network
network-object 192.168.11.0 255.255.255.0
network-object 192.168.12.0 255.255.255.0
network-object 192.168.13.0 255.255.255.0
network-object 192.168.14.0 255.255.255.0
network-object 192.168.15.0 255.255.255.0
network-object 192.168.16.0 255.255.255.0
network-object 192.168.17.0 255.255.255.0
network-object 192.168.85.0 255.255.255.0
network-object 192.168.80.0 255.255.255.0
network-object 192.168.90.0 255.255.255.0
network-object 192.168.95.0 255.255.255.0
network-object 192.168.100.0 255.255.255.0
network-object 192.168.120.0 255.255.255.0
network-object 192.168.160.0 255.255.255.0
network-object 192.168.170.0 255.255.255.0
network-object 192.168.180.0 255.255.255.0
network-object 192.168.190.0 255.255.255.0
network-object 192.168.30.0 255.255.255.0
network-object 192.168.40.0 255.255.255.0
network-object 192.168.18.0 255.255.255.0
object-group network DM_INLINE_NETWORK_1
group-object ExtSites
group-object HQ_Sites
access-list outside_1_cryptomap extended permit ip My-CO-Home 255.255.255.0 object-group DM_INLINE_NETWORK_1
access-list inside_nat0_outbound extended permit ip My-CO-Home 255.255.255.0 object-group DM_INLINE_NETWORK_1
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
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
route outside 0.0.0.0 0.0.0.0 x.x.x.1 1
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 ssh console LOCAL
aaa authentication telnet console LOCAL
http server enable
http My-CO-Home 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-SHA esp-aes esp-sha-hmac
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-SHA esp-3des esp-sha-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 security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto map outside_map 1 match address outside_1_cryptomap
crypto map outside_map 1 set pfs group5
crypto map outside_map 1 set peer x.x.x.194
crypto map outside_map 1 set transform-set ESP-AES-256-SHA
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 1
authentication pre-share
encryption aes-256
hash sha
group 2
lifetime 86400
crypto isakmp policy 30
authentication pre-share
encryption aes-256
hash sha
group 5
lifetime 86400
crypto isakmp nat-traversal 3600
telnet My-CO-Home 255.255.255.0 inside
telnet timeout 5
ssh My-CO-Home 255.255.255.0 inside
ssh timeout 5
console timeout 0
management-access inside
dhcpd auto_config outside
!
dhcpd address 192.168.19.200-192.168.19.230 inside
dhcpd dns 192.168.0.41 interface inside
dhcpd lease 259200 interface inside
dhcpd domain mydomain.com interface inside
dhcpd enable inside
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn
tunnel-group x.x.x.194 type ipsec-l2l
tunnel-group x.x.x.194 ipsec-attributes
pre-shared-key *****
!
!
smtp-server x.x.x.x
prompt hostname context
no call-home reporting anonymous
call-home
profile CiscoTAC-1
no active
destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
destination address email callhome@cisco.com
destination transport-method http
subscribe-to-alert-group diagnostic
subscribe-to-alert-group environment
subscribe-to-alert-group inventory periodic monthly
subscribe-to-alert-group configuration periodic monthly
subscribe-to-alert-group telemetry periodic daily
Cryptochecksum:a15952be8d76136861b2733e83cd7b75
My-co-5505# sh ver
Cisco Adaptive Security Appliance Software Version 8.2(5)
Device Manager Version 6.4(5)
Compiled on Fri 20-May-11 16:00 by builders
System image file is "disk0:/asa825-k8.bin"
Config file at boot was "startup-config"
My-co-5505 up 23 mins 28 secs
Hardware: ASA5505, 512 MB RAM, CPU Geode 500 MHz
Internal ATA Compact Flash, 128MB
BIOS Flash Firmware Hub @ 0xffe00000, 1024KB
Encryption hardware device : Cisco ASA-5505 on-board accelerator (revision 0x0)
Boot microcode : CN1000-MC-BOOT-2.00
SSL/IKE microcode: CNLite-MC-SSLm-PLUS-2.03
IPSec microcode : CNlite-MC-IPSECm-MAIN-2.05
0: Int: Internal-Data0/0 : address is 7cad.7424.1e30, irq 11
1: Ext: Ethernet0/0 : address is 7cad.7424.1e28, irq 255
2: Ext: Ethernet0/1 : address is 7cad.7424.1e29, irq 255
3: Ext: Ethernet0/2 : address is 7cad.7424.1e2a, irq 255
4: Ext: Ethernet0/3 : address is 7cad.7424.1e2b, irq 255
5: Ext: Ethernet0/4 : address is 7cad.7424.1e2c, irq 255
6: Ext: Ethernet0/5 : address is 7cad.7424.1e2d, irq 255
7: Ext: Ethernet0/6 : address is 7cad.7424.1e2e, irq 255
8: Ext: Ethernet0/7 : address is 7cad.7424.1e2f, irq 255
9: Int: Internal-Data0/1 : address is 0000.0003.0002, irq 255
10: Int: Not used : irq 255
11: Int: Not used : irq 255
Licensed features for this platform:
Maximum Physical Interfaces : 8
VLANs : 3, DMZ Restricted
Inside Hosts : 50
Failover : Disabled
VPN-DES : Enabled
VPN-3DES-AES : Enabled
SSL VPN Peers : 2
Total VPN Peers : 10
Dual ISPs : Disabled
VLAN Trunk Ports : 0
Shared License : Disabled
AnyConnect for Mobile : Disabled
AnyConnect for Cisco VPN Phone : Disabled
AnyConnect Essentials : Disabled
Advanced Endpoint Assessment : Disabled
UC Phone Proxy Sessions : 2
Total UC Proxy Sessions : 2
Botnet Traffic Filter : Disabled
This platform has a Base license.
Serial Number: xxxxxxxxx
Running Activation Key: xxxxxx
Configuration register is 0x1
Configuration has not been modified since last system restart.
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7 Comments
Active 1 day ago
Maybe something completely simple ... check if your speed/duplex settings on the interfaces are right ... if either side doesn't correctly do auto negotiation, you'll end up with 100 half duplex which will slow you down severely. In that case, set your interfaces to static 100/full to fix ...
Speed is listed at 100 with full duplex, though it is set to Auto. Setting it to manual 100 / Full killed my connection and I had to have the local guy reset the ASA.
As an additional point of info, with the PC plugged directly in the ASA (and nothing else plugged in) I got to 66 Mbs
When I route the PC through the Cisco phone uploads drop to below 30 Mbs.
This Cisco phone is not on its own VLAN like it would be in a regular environment, and it is registering to our main Cisco phone system via the VPN tunnel that gets established.
As an additional point of info, with the PC plugged directly in the ASA (and nothing else plugged in) I got to 66 Mbs
When I route the PC through the Cisco phone uploads drop to below 30 Mbs.
This Cisco phone is not on its own VLAN like it would be in a regular environment, and it is registering to our main Cisco phone system via the VPN tunnel that gets established.
Active 1 day ago
Hm ... new information there ... I don't know which phone you use, and do not have experience as to how well they operate as a switch, but you could try to hook up a second PC e.g. to another of the ASA's internal ports, than use a tool like jperf/iperf to see whether there's a general problem with throughput there... I assume you're using a PoE port of the firewall to supply it with power, so hooking up a PC on either side of the phone will most likely not work?
Its a 9971. Seems to be the case at all the locations - just more noticeable than here.
It is a POE port.
Removing the phone from the scenario sees upload speeds return to "normal".
Im going to open a TAC case I guess.
It is a POE port.
Removing the phone from the scenario sees upload speeds return to "normal".
Im going to open a TAC case I guess.
Active 1 day ago
So, in essence:
...[Internet]---ASA----Pho
results in slow uploads, while
...[Internet]---ASA---PC
results in expected speeds?
With its 1G-capable Ethernet ports, I assume it ought to deliver enough performance to saturate your internet link. My money is on speed/duplex mismatch caused by either fixed settings somewhere, or failure to automatically recognize the connected devices' settings uniformly ...
Do you have a status page or something on the phone where you can see what the two Ethernet ports are running at? Then compare what the ASA port and the PC's port say they are running at ... If there's a "half duplex" anywhere, you have your culprit ...
...[Internet]---ASA----Pho
results in slow uploads, while
...[Internet]---ASA---PC
results in expected speeds?
With its 1G-capable Ethernet ports, I assume it ought to deliver enough performance to saturate your internet link. My money is on speed/duplex mismatch caused by either fixed settings somewhere, or failure to automatically recognize the connected devices' settings uniformly ...
Do you have a status page or something on the phone where you can see what the two Ethernet ports are running at? Then compare what the ASA port and the PC's port say they are running at ... If there's a "half duplex" anywhere, you have your culprit ...
That is correct, and your assumption makes sense. If its a wrong setting its a wrong setting on both of the PCs at that location, as the problem is identical on both, and the scenario is the same. To me, that reduces the likelihood that a setting is wrong. I'll see about getting some output on status today in case Im overlooking something obvious. I've never done that on a cisco phone before though, so Ill need to exercise a little google-foo I suppose.
The line in question is a 100Mbs/100Mbs line of site service. Stay tuned.
The line in question is a 100Mbs/100Mbs line of site service. Stay tuned.
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