7705 SAR Interfaces
426
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
mtu
Syntax mtu {mtu-bytes}
no mtu
Context config>port>serial>v35>channel-group
config>port>serial>x21>channel-group
Description This command defines the maximum MTU size that the channel group can support. The
command is valid only if the encap-type is frame-relay or ipcp.
Default 1514 for frame relay
1502 for ipcp
Parameters mtu-bytes — 578 to 2090
ppp
Syntax [no] ppp
Context config>port>serial>v35>channel-group
config>port>serial>x21>channel-group
Description This command enables access to the context to configure the LCP operational parameters
for a V.35 or X.21 channel group. This command is available only if the encap-type is set to
ipcp and therefore does not apply to RS-232 ports or to X.21 ports configured for subrate
speeds.
The no form of the command removes the LCP operational parameters.
Default no ppp
keepalive
Syntax keepalive time-interval [dropcount drop-count]
no keepalive
Context config>port>serial>v35>channel-group>ppp
config>port>serial>x21>channel-group>ppp
Description This command enables the sending of keepalive messages and configures the time between
messages and how many messages can be missed before the link is brought down.
The no form of this command disables the sending of keepalive messages.
Default keepalive 10 dropcount 3
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